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50579 Zip Code (Rockwell City, IA) Detailed Profile




Cities: Rockwell City, IA (3.04%), Twin Lakes, IA (1.36%)
County: Calhoun County, IA
Estimated zip code population in 2021: 3,012
Zip code population in 2010: 2,405
Zip code population in 2000: 2,929

Houses and condos: 1,315
Renter-occupied apartments: 243
% of renters here:

23%
State:

28%
March 2022 cost of living index in zip code 50579: 82.2 (low, U.S. average is 100)

Land area: 137.3 sq. mi.
Water area: 1.3 sq. mi.
Population density: 22 people per square mile 
 
 (very low).

Age and Sex of Residents in zip code 50579
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Real estate property taxes paid for housing units in 2021:
This zip code:

1.4% ($1,461)
Iowa:

1.5% ($2,618)
Median real estate property taxes paid for housing units with mortgages in 2021: $1,561 (1.6%)
Median real estate property taxes paid for housing units with no mortgage in 2021: $1,411 (1.1%)

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Males: 1,770  (58.8%)
Females: 1,242  (41.2%)

For population 25 years and over in 50579:

  • High school or higher: 92.6%
  • Bachelor's degree or higher: 18.0%
  • Graduate or professional degree: 6.3%
  • Unemployed: 1.8%
  • Mean travel time to work (commute): 20.2 minutes

For population 15 years and over in 50579:

  • Never married: 32.0%
  • Now married: 44.6%
  • Separated: 3.3%
  • Widowed: 7.7%
  • Divorced: 12.5%

Zip code 50579 compared to state average:

  • Median house value below state average.
  • Unemployed percentage below state average.
  • Hispanic race population percentage significantly below state average.
  • Foreign-born population percentage significantly below state average.
  • Length of stay since moving in significantly above state average.
  • Percentage of population with a bachelor's degree or higher below state average.
  • Races in zip code 50579 (2021)
    • 2,78692.5%White
    • 923.1%Black
    • 602.0%Two or more races
    • 551.8%Hispanic or Latino
    • 160.5%Asian
    • 20.07%Some other race
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50579, IA forum
Recent posts about zip code 50579 area on our local forum with over 2,400,000 registered users:
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100% rural population.

Estimated median house/condo value in 2021: $105,137
50579:

$105,137
Iowa:

$174,400



According to our research of Iowa and other state lists, there were 2 registered sex offenders living in 50579 zip code as of March 19, 2024.
The ratio of all residents to sex offenders in zip code 50579 is 1,409 to 1.
The ratio of registered sex offenders to all residents in this zip code is much lower than the state average.


Median resident age:
This zip code:

39.9 years
Iowa median age:

38.5 years
Average household size:
This zip code:

2.3 people
Iowa:

2.4 people

Averages for the 2020 tax year for zip code 50579, filed in 2013:

Average Adjusted Gross Income (AGI) in 2020: $57,334 (Individual Income Tax Returns)
Here:

$57,334
State:

$71,087

Salary/wage: $41,968 (reported on 81.9% of returns)
Here:

$41,968
State:

$57,361
(% of AGI for various income ranges: 1305.6% for AGIs below $25k, 3589.5% for AGIs $25k-50k, 6288.5% for AGIs $50k-75k, 9877.1% for AGIs $75k-100k, 15252.5% for AGIs $100k-200k)

Taxable interest for individuals: $1,737 (reported on 37.1% of returns)
This zip code:

$1,737
Iowa:

$1,633
(% of AGI for various income ranges: 24.4% for AGIs below $25k, 71.1% for AGIs $25k-50k, 108.5% for AGIs $50k-75k, 21.4% for AGIs $75k-100k, 343.8% for AGIs $100k-200k)

Ordinary dividends: $3,386 (reported on 18.1% of returns)
Here:

$3,386
State:

$5,432
(% of AGI for various income ranges: 14.0% for AGIs below $25k, 37.9% for AGIs $25k-50k, 95.4% for AGIs $50k-75k, 496.3% for AGIs $100k-200k)

Net capital gain/loss in AGI: +$11,200 (reported on 15.5% of returns)
Here:

+$11,200
State:

+$15,243
(% of AGI for various income ranges: 37.9% for AGIs $25k-50k, 100.8% for AGIs $50k-75k, 743.8% for AGIs $100k-200k)

Profit/loss from business: +$9,879 (reported on 16.4% of returns)
Here:

+$9,879
State:

+$11,763
(% of AGI for various income ranges: 110.8% for AGIs below $25k, 156.3% for AGIs $25k-50k, 476.9% for AGIs $50k-75k, 853.8% for AGIs $100k-200k)

Taxable individual retirement arrangement distribution: $12,410 (reported on 8.6% of returns)
50579:

$12,410
Iowa:

$17,324
(% of AGI for various income ranges: 40.0% for AGIs below $25k, 72.6% for AGIs $25k-50k, 205.4% for AGIs $50k-75k, 920.0% for AGIs $100k-200k)

Total itemized deductions: $32,750 (reported on 3.4% of returns)
Here:

$32,750
State:

$33,775
(% of AGI for various income ranges: 1007.7% for AGIs $50k-75k)

Charity contributions: $5,200 (reported on 2.6% of returns)
Here:

$5,200
State:

$13,075
(% of AGI for various income ranges: 120.0% for AGIs $50k-75k)

Taxes paid: $6,575 (reported on 3.4% of returns)
50579:

$6,575
State:

$7,704
(% of AGI for various income ranges: 48.4% for AGIs $25k-50k, 244.3% for AGIs $75k-100k)

Earned income credit: $2,069 (reported on 13.8% of returns)
Here:

$2,069
State:

$2,195
(% of AGI for various income ranges: 86.8% for AGIs below $25k, 60.0% for AGIs $25k-50k)

Percentage of individuals using paid preparers for their 2020 taxes: 94.0%
Here:

94%
State:

95%
(% for various income ranges: 85.0% for AGIs below $25k, 100.0% for AGIs $25k-50k, 100.0% for AGIs $50k-75k, 100.0% for AGIs $75k-100k, 94.1% for AGIs $100k-200k, 100.0% for AGIs over 200k)

Averages for the 2012 tax year for zip code 50579, filed in 2013:

Average Adjusted Gross Income (AGI) in 2012: $57,529 (Individual Income Tax Returns)
Here:

$57,529
State:

$58,860

Salary/wage: $38,290 (reported on 80.7% of returns)
Here:

$38,290
State:

$46,659
(% of AGI for various income ranges: 68.0% for AGIs below $25k, 72.7% for AGIs $25k-50k, 69.3% for AGIs $50k-75k, 60.4% for AGIs $75k-100k, 59.9% for AGIs $100k-200k)

Taxable interest for individuals: $1,735 (reported on 42.2% of returns)
This zip code:

$1,735
Iowa:

$1,537
(% of AGI for various income ranges: 2.3% for AGIs below $25k, 1.6% for AGIs $25k-50k, 1.0% for AGIs $50k-75k, 0.9% for AGIs $75k-100k, 1.2% for AGIs $100k-200k, 1.3% for AGIs over 200k)

Ordinary dividends: $2,026 (reported on 24.8% of returns)
Here:

$2,026
State:

$4,542
(% of AGI for various income ranges: 1.4% for AGIs below $25k, 0.4% for AGIs $25k-50k, 0.5% for AGIs $50k-75k, 1.0% for AGIs $75k-100k, 0.7% for AGIs $100k-200k, 1.5% for AGIs over 200k)

Net capital gain/loss in AGI: +$3,837 (reported on 17.4% of returns)
Here:

+$3,837
State:

+$11,802
(% of AGI for various income ranges: 0.2% for AGIs $25k-50k, 1.7% for AGIs $75k-100k, 0.6% for AGIs $100k-200k, 4.0% for AGIs over 200k)

Profit/loss from business: +$8,762 (reported on 19.3% of returns)
Here:

+$8,762
State:

+$10,509
(% of AGI for various income ranges: 4.4% for AGIs below $25k, 2.8% for AGIs $25k-50k, 3.4% for AGIs $50k-75k, 2.4% for AGIs $75k-100k, 4.6% for AGIs $100k-200k)

Taxable individual retirement arrangement distribution: $10,514 (reported on 12.8% of returns)
50579:

$10,514
Iowa:

$11,773
(% of AGI for various income ranges: 4.4% for AGIs below $25k, 2.6% for AGIs $25k-50k, 1.6% for AGIs $50k-75k, 3.5% for AGIs $75k-100k, 3.0% for AGIs $100k-200k)

Self-employment retirement plans: $28,350 (reported on 1.8% of returns)
50579:

$28,350
Iowa:

$18,614

Total itemized deductions: $20,421 (20% of AGI, reported on 25.7% of returns)
Here:

$20,421
State:

$21,278

Here:

20.1% of AGI
State:

18.9% of AGI
(% of AGI for various income ranges: 13.8% for AGIs below $25k, 6.6% for AGIs $25k-50k, 7.5% for AGIs $50k-75k, 8.5% for AGIs $75k-100k, 9.6% for AGIs $100k-200k, 10.9% for AGIs over 200k)

Charity contributions: $3,179 (reported on 22.0% of returns)
Here:

$3,179
State:

$4,044
(% of AGI for various income ranges: 1.3% for AGIs below $25k, 0.9% for AGIs $25k-50k, 0.7% for AGIs $50k-75k, 1.1% for AGIs $75k-100k, 1.6% for AGIs $100k-200k, 1.6% for AGIs over 200k)

Taxes paid: $6,782 (reported on 25.7% of returns)
50579:

$6,782
State:

$8,846
(% of AGI for various income ranges: 2.0% for AGIs below $25k, 1.6% for AGIs $25k-50k, 1.8% for AGIs $50k-75k, 2.7% for AGIs $75k-100k, 4.3% for AGIs $100k-200k, 4.5% for AGIs over 200k)

Earned income credit: $1,963 (reported on 14.7% of returns)
Here:

$1,963
State:

$2,098
(% of AGI for various income ranges: 5.0% for AGIs below $25k, 0.9% for AGIs $25k-50k)

Percentage of individuals using paid preparers for their 2012 taxes: 79.8%
Here:

80%
State:

65%
(% for various income ranges: 73.7% for AGIs below $25k, 73.1% for AGIs $25k-50k, 77.8% for AGIs $50k-75k, 91.7% for AGIs $75k-100k, 100.0% for AGIs $100k-200k, 100.0% for AGIs over 200k)

Averages for the 2004 tax year for zip code 50579, filed in 2005:

Average Adjusted Gross Income (AGI) in 2004: $37,065 (Individual Income Tax Returns)
Here:

$37,065
State:

$43,875

Salary/wage: $29,314 (reported on 79.6% of returns)
Here:

$29,314
State:

$38,265
(% of AGI for various income ranges: 118.0% for AGIs below $10k, 63.0% for AGIs $10k-25k, 65.8% for AGIs $25k-50k, 74.3% for AGIs $50k-75k, 61.9% for AGIs $75k-100k, 38.8% for AGIs over 100k)

Taxable interest for individuals: $1,808 (reported on 53.5% of returns)
This zip code:

$1,808
Iowa:

$1,768
(% of AGI for various income ranges: 11.3% for AGIs below $10k, 5.3% for AGIs $10k-25k, 1.9% for AGIs $25k-50k, 2.1% for AGIs $50k-75k, 1.9% for AGIs $75k-100k, 2.5% for AGIs over 100k)

Taxable dividends: $1,929 (reported on 24.7% of returns)
Here:

$1,929
State:

$2,510
(% of AGI for various income ranges: 2.8% for AGIs below $10k, 1.2% for AGIs $10k-25k, 1.3% for AGIs $25k-50k, 0.4% for AGIs $50k-75k, 1.6% for AGIs $75k-100k, 2.2% for AGIs over 100k)

Net capital gain/loss: +$6,234 (reported on 21.4% of returns)
Here:

+$6,234
State:

+$6,139
(% of AGI for various income ranges: 3.8% for AGIs below $10k, -0.6% for AGIs $10k-25k, 2.9% for AGIs $25k-50k, 0.5% for AGIs $50k-75k, 2.3% for AGIs $75k-100k, 11.8% for AGIs over 100k)

Profit/loss from business: +$7,198 (reported on 18.5% of returns)
Here:

+$7,198
State:

+$8,574
(% of AGI for various income ranges: 6.2% for AGIs below $10k, 2.8% for AGIs $10k-25k, 4.2% for AGIs $25k-50k, 4.3% for AGIs $50k-75k, 1.2% for AGIs $75k-100k, 3.6% for AGIs over 100k)

Profit/loss from farming: +$4,876 (reported on 12.8% of returns)
Here +$4,876
State -$74
(% of AGI for various income ranges: 4.9% for AGIs below $10k, 1.0% for AGIs $10k-25k, 0.7% for AGIs $25k-50k, 3.8% for AGIs $50k-75k, 1.8% for AGIs $75k-100k)

IRA payment deduction: $3,352 (reported on 4.5% of returns)
50579:

$3,352
Iowa:

$2,970

Total itemized deductions: $16,395 (25% of AGI, reported on 21.5% of returns)
Here:

$16,395
State:

$16,976

Here:

24.9% of AGI
State:

20.8% of AGI
(% of AGI for various income ranges: 14.8% for AGIs below $10k, 15.4% for AGIs $10k-25k, 7.7% for AGIs $25k-50k, 5.6% for AGIs $50k-75k, 10.5% for AGIs $75k-100k, 13.1% for AGIs over 100k)

Charity contributions deductions: $3,201 (5% of AGI, reported on 18.7% of returns)
Here:

$3,201
State:

$3,089

Here:

4.7% of AGI
State:

3.6% of AGI
(% of AGI for various income ranges: 1.2% for AGIs below $10k, 1.3% for AGIs $10k-25k, 1.0% for AGIs $25k-50k, 0.7% for AGIs $50k-75k, 2.0% for AGIs $75k-100k, 3.6% for AGIs over 100k)

Total tax: $4,826 (reported on 74.6% of returns)
50579:

$4,826
State:

$6,177
(% of AGI for various income ranges: 3.4% for AGIs below $10k, 4.0% for AGIs $10k-25k, 7.0% for AGIs $25k-50k, 9.1% for AGIs $50k-75k, 11.0% for AGIs $75k-100k, 16.9% for AGIs over 100k)

Earned income credit: $1,268 (reported on 13.7% of returns)
Here:

$1,268
State:

$1,540

Percentage of individuals using paid preparers for their 2004 taxes: 80.1%
Here:

80%
State:

70%
(% for various income ranges: 64.1% for AGIs below $10k, 78.9% for AGIs $10k-25k, 85.7% for AGIs $25k-50k, 87.4% for AGIs $50k-75k, 86.8% for AGIs $75k-100k, 95.1% for AGIs over 100k)

Estimated median household income in 2021:
This zip code:

$50,317
Iowa:

$65,600
Rockwell City, IA (50579) map Nearest zip codes: 50551, 51453, 51449, 50563, 50575, 50586.
Twin Lakes Zip Code Map

Percentage of family households:
This zip code:

39.9%
Iowa:

44.8%
Percentage of households with unmarried partners:
This zip code:

6.5%
Iowa:

49.1%
Likely homosexual households (counted as self-reported same-sex unmarried-partner households)
  • Lesbian couples: 0.6% of all households
  • Gay men: 0.0% of all households

Household received Food Stamps/SNAP in the past 12 months: 124
Household did not receive Food Stamps/SNAP in the past 12 months: 932


Women who had a birth in the past 12 months: 14 (10 now married, 3 unmarried)
Women who did not have a birth in the past 12 months: 448 (234 now married, 212 unmarried)


Housing units in zip code 50579 with a mortgage: 316 (16 second mortgage, 14 both second mortgage and home equity loan)
Houses without a mortgage: 14

Median monthly owner costs for units with a mortgage: $999
Median monthly owner costs for units without a mortgage: $419

Residents with income below the poverty level in 2021:
This zip code:

11.4%
Whole state:

11.1%
Residents with income below 50% of the poverty level in 2021:
This zip code:

3.8%
Whole state:

6.0%
Median number of rooms in houses and condos:
Here:

7.0
State:

6.8
Median number of rooms in apartments:
Here:

5.0
State:

4.2
  • Notable locations in this zip code not listed on our city pages

  • Click to draw/clear zip code borders
  • Notable locations in zip code 50579: Highway Number Twenty Rest Area (A), Richards (B), Sherwood (C), Farmers Co-op Elevator (D), Rockwell City (E), Twin Lakes Golf Club (F), Iowa State Reformatory for Women (G), Rockwell City Emergency Medical Services (H), Calhoun County Historical Library (I), Calhoun County Museum (J), Calhoun County Sheriff's Office (K), Calhoun County Courthouse (L), Rockwell City Fire Department (M), Rockwell City Library (N), Rockwell City Hall (O), North Central Correctional Facility (P), Calhoun County Home (Q). Display/hide their locations on the map

    Shopping Center: Home Valley Mall (1). Display/hide its location on the map

    Churches in zip code 50579 include: Saint Paul American Lutheran Church (A), Saint Francis Catholic Church (B), Presbyterian Church (C), Church of Christ (D), Evangelical Free Church (E), Rockwell City United Methodist Church (F), Immanuel Church (G). Display/hide their locations on the map

    Cemeteries: Rosehill Cemetery (1), Roby Cemetery (2), Piper Cemetery (3), Greenwood Cemetery (4), Saint Francis Cemetery (5), Reformatory Cemetery (6), Twin Lakes Cemetery (7). Display/hide their locations on the map

    Reservoirs: South Twin Lake (A), North Twin Lake (B). Display/hide their locations on the map

    Parks in zip code 50579 include: North Twin Lake Wildlife Management Area (1), South Twin Lake Wildlife Management Area (2), Highway Number Four Recreation Area (3), Logan Wildlife Area (4), Center Wildlife Area (5), Featherstone Memorial County Park (6), Rockwell City Park (7), Site of Pioneer Children's Grave Historical Marker (8). Display/hide their locations on the map

Year house built
  • Year house built (houses)
  • 02020 or later
  • 172010 to 2019
  • 312000 to 2009
  • 401990 to 1999
  • 1051980 to 1989
  • 1741970 to 1979
  • 2151960 to 1969
  • 2181950 to 1959
  • 741940 to 1949
  • 4041939 or earlier

Zip code 50579 satellite photo by USGS

Owner-occupied Renter-occupied
Bedrooms in owner-occupied houses and condos in Rockwell City, IA (50579)
  • Bedrooms in owner-occupied houses and condos in Rockwell City, IA (50579)
  • 0no bedroom
  • 291 bedroom
  • 1632 bedrooms
  • 3353 bedrooms
  • 2504 bedrooms
  • 415+ bedrooms
Bedrooms in renter-occupied apartments in Rockwell City, IA (50579)
  • Bedrooms in renter-occupied apartments in Rockwell City, IA (50579)
  • 2no bedroom
  • 531 bedroom
  • 952 bedrooms
  • 823 bedrooms
  • 104 bedrooms
  • 05+ bedrooms
Owner-occupied Renter-occupied
Cars and other vehicles available in Rockwell City, IA (50579) in owner-occupied houses/condos
  • Cars and other vehicles available in Rockwell City, IA (50579) in owner-occupied houses/condos
  • 29no vehicle
  • 1661 vehicle
  • 2962 vehicles
  • 1553 vehicles
  • 1064 vehicles
  • 645+ vehicles
Cars and other vehicles available in Rockwell City, IA (50579) in renter-occupied apartments
  • Cars and other vehicles available in Rockwell City, IA (50579) in renter-occupied apartments
  • 28no vehicle
  • 1621 vehicle
  • 442 vehicles
  • 113 vehicles
  • 04 vehicles
  • 05+ vehicles

  • Zip code 50579 household income distribution in 2021

  • Zip code 50579 household income distribution in 2021
  • 125Less than $10,000
  • 38$10,000 to $14,999
  • 84$15,000 to $19,999
  • 47$20,000 to $24,999
  • 60$25,000 to $29,999
  • 50$30,000 to $34,999
  • 46$35,000 to $39,999
  • 22$40,000 to $44,999
  • 52$45,000 to $49,999
  • 47$50,000 to $59,999
  • 126$60,000 to $74,999
  • 135$75,000 to $99,999
  • 67$100,000 to $124,999
  • 67$125,000 to $149,999
  • 34$150,000 to $199,999
  • 48$200,000 or more
  • Estimate of home value of owner-occupied houses/condos in 2021 in zip code 50579

  • Estimate of home value of owner-occupied houses/condos in 2021 in zip code 50579
  • 15Less than $10,000
  • 10$10,000 to $14,999
  • 11$15,000 to $19,999
  • 4$20,000 to $24,999
  • 28$25,000 to $29,999
  • 5$30,000 to $34,999
  • 8$35,000 to $39,999
  • 37$40,000 to $49,999
  • 51$50,000 to $59,999
  • 58$60,000 to $69,999
  • 65$70,000 to $79,999
  • 46$80,000 to $89,999
  • 15$90,000 to $99,999
  • 39$100,000 to $124,999
  • 31$125,000 to $149,999
  • 44$150,000 to $174,999
  • 48$175,000 to $199,999
  • 22$200,000 to $249,999
  • 51$250,000 to $299,999
  • 41$300,000 to $399,999
  • 44$400,000 to $499,999
  • 52$500,000 to $749,999
  • Rent paid by renters in 2021 in zip code 50579

  • Rent paid by renters in 2021 in zip code 50579
  • 31$150 to $199
  • 8$200 to $249
  • 27$350 to $399
  • 38$400 to $449
  • 13$450 to $499
  • 32$500 to $549
  • 19$550 to $599
  • 5$600 to $649
  • 4$650 to $699
  • 7$700 to $749
  • 4$800 to $899
  • 1$900 to $999
  • 6$1,000 to $1,249
  • 2$1,250 to $1,499
  • 14$1,500 to $1,999
  • 9No cash rent

Median gross rent in 2021: $667.

Estimated median house (or condo) value in 2021 for:

  • White Non-Hispanic householders: $104,073
  • Hispanic or Latino householders: $182,793

Estimated median house or condo value in 2021: $105,137
50579:

$105,137
Iowa:

$174,400
Lower value quartile - upper value quartile: $70,476 - $222,716

Mean price in 2021:

Detached houses: $189,954
Here:

$189,954
State:

$220,148
Owners and renters by unit type in zip code 50579
Breakdown of mean house values by ages of householders

Housing units in structures:

  • One, detached: 1,110
  • One, attached: 39
  • Two: 3
  • 3 or 4: 24
  • 5 to 9: 37
  • 10 to 19: 2
  • 20 to 49: 36
  • 50 or more: 31
  • Mobile homes: 2
  • Boats, RVs, vans, etc.: 32

Unemployment: 1.8%

  • Means of transportation to work in zip code 50579

  • Means of transportation to work in zip code 50579
  • 75.3%757Drove a car alone
  • 11.7%118Carpooled
  • 0.3%3Bus or trolley bus
  • 0.8%8Walked
  • 2.8%28Other means
  • 3.1%31Worked at home
  • Travel time to work (commute) in zip code 50579

  • Travel time to work (commute) in zip code 50579
  • 148Less than 5 minutes
  • 1755 to 9 minutes
  • 12710 to 14 minutes
  • 6115 to 19 minutes
  • 5820 to 24 minutes
  • 5425 to 29 minutes
  • 10930 to 34 minutes
  • 2635 to 39 minutes
  • 2340 to 44 minutes
  • 7345 to 59 minutes
  • 1860 to 89 minutes
  • 2290 or more minutes

Percentage of zip code residents living and working in this county: 64.8%

Household type by relationship:

Households: 3,012
  • Male householders: 507 (155 living alone), Female householders: 551 (219 living alone)
  • 510 spouses (510 opposite-sex spouses), 46 unmarried partners, (46 opposite-sex unmarried partners), 755 children (594 natural, 31 adopted, 130 stepchildren), 16 grandchildren, 3 brothers or sisters, 0 parents, 0 foster children, 14 other relatives, 29 non-relatives
  • In group quarters: 584 (-1 institutionalized population)

Size of family households: 342 2-persons, 93 3-persons, 147 4-persons, 43 5-persons, 26 6-persons, 8 7-or-more-persons

Size of nonfamily households: 374 1-person, 16 2-persons, 3 3-persons

327 married couples with children.
215 single-parent households (46 men, 169 women).

98.6% of residents of 50579 zip code speak English at home.
0.7% of residents speak Spanish at home (70% very well, 30% not well).
0.5% of residents speak other Indo-European language at home (100% very well).
0.2% of residents speak Asian or Pacific Island language at home (20% very well, 80% well).

Foreign born population: 35 (1.2%)
(83.7% of them are naturalized citizens)
This zip code:

1.2%
Whole state:

5.4%
Most common places of birth for foreign-born residents
  • 34%Eritrea
  • 26%Japan
  • 3%Hong Kong
  • 3%Indonesia
Most common first ancestries reported in 50579
  • 44%German
  • 15%Irish
  • 9%American
  • 4%English
  • 3%Swedish
  • 2%Norwegian
  • 2%European
Year of entry for the foreign-born population
  • Year of entry for the foreign-born population
  • 62010 or later
  • 92000 to 2009
  • 51990 to 1999
  • 14Before 1990

Zip code 50579 topographic map

Major facilities with environmental interests located in this zip code:

  • ROCKWELL CITY ELEMENTARY SCHOOL (330 BROWER STREET in ROCKWELL CITY, IA)
    (Geographic Names Information System)
    (National Center for Education Statistics) - STATE ID-135625 427
    Organizations: ROCKWELL CITY-LYTTON COMM SCHOOL DISTRICT (SCHOOL DISTRICT)
  • ROCKWELL CITY-LYTTON HIGH SCHOOL (1000 TONAWANDA AVE in ROCKWELL CITY, IA)
    (National Center for Education Statistics) - STATE ID-135625 172
    Organizations: ROCKWELL CITY-LYTTON COMM SCHOOL DISTRICT (SCHOOL DISTRICT)
  • ROCKWELL CITY SEWAGE TREATMENT PLANT (335 MAIN STREET in ROCKWELL CITY, IA)
    National Pollutant Discharge Elimination System MAJOR (Tracking pollutant discharge elimination systems) - permit
    National Pollutant Discharge Elimination System NON-MAJOR (Tracking pollutant discharge elimination systems) - permit
    Business SIC classification: SEWERAGE SYSTEMS
    Organizations: CITY OF ROCKWELL CITY (CONTACT/OWNER) , ROCKWELL, CITY OF STP (CONTACT/OWNER)
    Alternative names: ROCKWELL CITY, CITY OF STP, ROCKWELL CITY OF STP
  • US POST OFFICE (520 4TH ST in ROCKWELL CITY, IA) . Federal Facility
    (Resource Conservation and Recovery Act (tracking hazardous waste))
    Organizations: USPS (CONTACT/OPERATOR)
  • SAFETY-KLEEN HOUSEHOLD HAZARDOUS WASTE (105 EAST COURT STREET in ROCKWELL CITY, IA)
    (Resource Conservation and Recovery Act (tracking hazardous waste))
    Organizations: ROCKWELL CITY SECONDARY ROAD COMPLEX (CONTACT/OWNER)
  • TWIN LAKES SANITARY SEWER DISTRICT (2202 OGDEN AVENUE in ROCKWELL CITY, IA)
    National Pollutant Discharge Elimination System NON-MAJOR (Tracking pollutant discharge elimination systems) - permit
    Business SIC classification: SEWERAGE SYSTEMS
    Organizations: TWIN LAKES SANITARY DISTRICT S (CONTACT/OWNER)
  • NORTHERN NATURAL GAS CO (2710 PRESTON AVE in ROCKWELL CITY, IA)
    (Resource Conservation and Recovery Act (tracking hazardous waste))
  • AMERICAN CONCRETE PRODUCTS INCORPORATED (HIGHWAY 20 WEST in ROCKWELL CITY, IA)
    AIR MINOR (AIRS/AFS)
    Business SIC classification: READY-MIXED CONCRETE
  • C&S PRODUCTS CO INC (305 LAPEDALE DR in ROCKWELL CITY, IA)
    AIR MINOR (AIRS/AFS)
    Business SIC classification: WOOD PRODUCTS
    Alternative names: CLOSED FACILITY -- C&S PRODUCTS CO INC, SAW MILL VALLEY, SAWMILL VALLEY WOODCRAFTERS
  • CAL-CAR SERVICE CO (NO STREET ADDRESS in ROCKWELL CITY, IA)
    AIR MINOR (AIRS/AFS)
    Business SIC classification: GRAIN AND FIELD BEANS
  • RICHARDS COOP (NO STREET ADDRESS in RICHARDS, IA)
    AIR MINOR (AIRS/AFS)
    Business SIC classification: NONCLASSIFIABLE ESTABLISHMENTS
  • ROCKWELL CITY-LYTTON SCHOOL DISTRICT (1000 WEST TONAWANDA AVE. in ROCKWELL CITY, IA)
    COMPLIANCE ACTIVITY (Tracking inspections of insecticide, fungicide, and rodenticide, and toxic substances)
    Alternative names: ROCKWELL CITY-LYTTON CSD
  • NEW COOPERATIVE INCORPORATED (2764 320TH STREET in RANDS, IA)
    AIR MINOR (AIRS/AFS)
    Business SIC classification: NONCLASSIFIABLE ESTABLISHMENTS
    Alternative names: RANDS ELEVATOR CO.

Zip code 50579 marital status for males
Zip code 50579 marital status for females

Housing units lacking complete plumbing facilities: 1.3%
Housing units lacking complete kitchen facilities: 3.4%

Most commonly used house heating fuel
  • 60.4%Utility gas
  • 26.4%Electricity
  • 9.1%Bottled, tank, or LP gas
  • 2.1%No fuel used
  • 1.9%Wood

Population in 1990: 2,952.

Place of birth for U.S.-born residents:

  • This state: 2,394
  • Northeast: 27
  • Midwest: 280
  • South: 82
  • West: 185

56% of the 50579 zip code residents lived in the same house 5 years ago.
   Out of people who lived in different houses, 41% lived in this county.
   Out of people who lived in different counties, 50% lived in Iowa.

76% of the 50579 zip code residents lived in the same house 1 year ago.
   Out of people who lived in different houses, 15% moved from this county.
   Out of people who lived in different houses, 75% moved from different county within same state.
   Out of people who lived in different houses, 11% moved from different state.

Year householders moved into unit in Rockwell City, IA (50579)

Private vs. public school enrollment:

Students in private schools in grades 1 to 8 (elementary and middle school):
Here:

0.0%
Iowa:

11.9%
Students in private schools in grades 9 to 12 (high school): 3
Here:

1.6%
Iowa:

7.4%
Students in private undergraduate colleges: 11
Here:

9.0%
Iowa:

24.9%
Educational Attainment in 2021
School Enrollment by Level of School in 2021
Class of Workers in 2021
Occupation by median earnings in the past 12 months
  • Occupation by median earnings in the past 12 months ($)
  • 80,133Business and financial operations occupations
  • 61,464Law enforcement workers including supervisors
  • 61,188Health diagnosing and treating practitioners and other technical occupations
  • 58,058Health technologists and technicians
  • 55,642Installation, maintenance, and repair occupations
  • 53,824Farming, fishing, and forestry occupations

Top industries in this zip code by the number of employees in 2005:

  • Accommodation and Food Services: Limited-Service Restaurants (20-49 employees: 1 establishment)
  • Health Care and Social Assistance: Nursing Care Facilities (20-49: 1)
  • Finance and Insurance: Commercial Banking (10-19: 2)
  • Utilities: Electric Power Distribution (10-19: 1, 5-9: 1)
  • Other Services (except Public Administration): Religious Organizations (5-9: 3)
  • Health Care and Social Assistance: Offices of Physicians (except Mental Health Specialists) (10-19: 1)
  • Construction: Power and Communication Line and Related Structures Construction (10-19: 1)

Age and Sex of Sensory-Disabled Noninstitutionalized Residents
Age and Sex of Physically-Disabled Noninstitutionalized Residents
Age and Sex of Mentally-Disabled Noninstitutionalized Residents
Age and Sex of Self-Care Disabled Noninstitutionalized Residents
Age and Sex of Go-Outside-Home Disabled Noninstitutionalized Residents
Age and Sex of Noninstitutionalized Residents with Employment Disability

People in group quarters in 2010:

  • 34 people in nursing facilities/skilled-nursing facilities
  • 20 people in group homes intended for adults

People in group quarters in 2000:

  • 408 people in state prisons
  • 41 people in nursing homes
  • 32 people in homes for the mentally retarded
  • 16 people in other group homes
  • 8 people in homes or halfway houses for drug/alcohol abuse

Fatal accident statistics in 2011:

  • Fatal accident count: 2
  • Vehicles involved in fatal accidents: 2
  • Fatal accidents caused by drunken drivers: 1
  • Fatalities: 2
  • Persons involved in fatal accidents: 2
  • Pedestrians involved in fatal accidents: 0

2003 - 2018 National Fire Incident Reporting System (NFIRS) incidents

    Fire incident distribution by year Based on the data from the years 2003 - 2018 the average number of fire incidents per year is 12. The highest number of reported fires - 23 took place in 2011, and the least - 0 in 2006. The data has a decreasing trend.
    Fire incident types in Zip Code 50579 When looking into fire subcategories, the most reports belonged to: Outside Fires (40.3%), and Structure Fires (36.6%).

    • Fire incident types reported to NFIRS in Zip Code 50579
    • 7540.3%Outside Fires
    • 6836.6%Structure Fires
    • 3418.3%Mobile Property/Vehicle Fires
    • 94.8%Other

See full 2006 National Fire Incident Reporting System statistics for zip code 50579, Iowa

Most common first names in zip code 50579 among deceased individuals
NameCountLived (average)
John3380.6 years
William2878.8 years
Mary2682.1 years
Charles2478.5 years
Margaret1781.6 years
Frank1681.5 years
George1676.4 years
Hazel1684.9 years
James1676.5 years
Ruth1583.2 years
Most common last names in zip code 50579 among deceased individuals
Last nameCountLived (average)
Johnson2081.9 years
Miller1275.8 years
Anderson1281.0 years
Hendricks1179.1 years
Hildreth1174.9 years
Powers1085.5 years
Knapp1082.3 years
Smith980.5 years
Clark988.6 years
Onnen875.1 years

Businesses in zip code 50579

  • Subway: 1

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