Median household income (1999): $32,254
Estimated median household income in 2005: $35,637
| This zip code | $35,637 | | Iowa: | $43,609 |
Nearest zip codes: 50551, 51453, 50563, 51449, 50575, 50552.
Housing units in zip code 50579 with a mortgage: 319 (7 second mortgage, 17 home equity loan, 0 both second mortgage and home equity loan)
Houses without a mortgage: 394
Median monthly owner costs for units with a mortgage: $666
Median monthly owner costs for units without a mortgage: $259
Residents with income below the poverty level in 1999:
| This zip code: | 7.4% | | Whole state: | 9.1% |
Residents with income below 50% of the poverty level in 1999:
| This zip code: | 2.1% | | Whole state: | 3.8% |
Median number of rooms in houses and condos:
| Here: | 6.3 | | State: | 6.3 |
Median number of rooms in apartments:
| Here: | 4.6 | | State: | 4.2 |
Year house built: |
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- 1999 to March 2000: 4
- 1995 to 1998: 27
- 1990 to 1994: 33
- 1980 to 1989: 85
- 1970 to 1979: 131
- 1960 to 1969: 182
- 1950 to 1959: 188
- 1940 to 1949: 117
- 1939 or earlier: 578
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Bedrooms in owner-occupied houses in Rockwell City, IA (50579): |
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- no bedroom: 0
- 1 bedrooms: 14
- 2 bedrooms: 188
- 3 bedrooms: 414
- 4 bedrooms: 164
- 5 or more bedrooms: 42
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Bedrooms in renter-occupied apartments and housing units: |
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- no bedroom: 4
- 1 bedrooms: 64
- 2 bedrooms: 113
- 3 bedrooms: 69
- 4 bedrooms: 5
- 5 or more bedrooms: 7
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Vehicles available in 50579 zip code in owner-occupied houses/condos: |
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- no vehicle: 17
- 1 vehicle: 233
- 2 vehicles: 332
- 3 vehicles: 139
- 4 vehicles: 68
- 5 or more vehicles: 33
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Vehicles available in renter-occupied apartments: |
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- no vehicle: 35
- 1 vehicle: 138
- 2 vehicles: 60
- 3 vehicles: 20
- 4 vehicles: 9
- 5 or more vehicles: 0
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Estimated household income distribution in 2005:

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Estimate of home value of owner-occupied houses/condos in 2005 in zip code 50579:
- Less than $10,000: 15
- $10,000 to $14,999: 8
- $15,000 to $19,999: 23
- $20,000 to $24,999: 18
- $25,000 to $29,999: 10
- $30,000 to $34,999: 42
- $35,000 to $39,999: 54
- $40,000 to $49,999: 99
- $50,000 to $59,999: 100
- $60,000 to $69,999: 71
- $70,000 to $79,999: 100
- $80,000 to $89,999: 71
- $90,000 to $99,999: 17
- $100,000 to $124,999: 24
- $125,000 to $149,999: 15
- $150,000 to $174,999: 16
- $175,000 to $199,999: 6
- $200,000 to $249,999: 7
- $300,000 to $399,999: 17
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Rent paid by renters in 2000 in zip code 50579:
- Less than $100: 8
- $100 to $149: 9
- $150 to $199: 33
- $200 to $249: 20
- $250 to $299: 74
- $300 to $349: 42
- $400 to $449: 13
- $650 to $699: 14
- No cash rent: 38
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Median price asked for vacant for-sale houses in 2000: $43,300
Estimated median house (or condo) value in 2005 for: - White Non-Hispanic householders: $76,217
- Hispanic or Latino householders: $133,866
Housing units in structures:
- One, detached: 1,164
- One, attached: 4
- Two: 11
- 3 or 4: 13
- 5 to 9: 48
- 20 to 49: 17
- 50 or more: 55
- Mobile homes: 33

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Means of transportation to work
- Drove a car alone: 927 (82%)
- Carpooled: 78 (7%)
- Bus or trolley bus: 5 (0%)
- Motorcycle: 6 (1%)
- Bicycle: 2 (0%)
- Walked: 52 (5%)
- Other means: 5 (0%)
- Worked at home: 62 (5%)
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Travel time to work
- Less than 5 minutes: 154
- 5 to 9 minutes: 320
- 10 to 14 minutes: 115
- 15 to 19 minutes: 96
- 20 to 24 minutes: 99
- 25 to 29 minutes: 31
- 30 to 34 minutes: 146
- 35 to 39 minutes: 14
- 40 to 44 minutes: 32
- 45 to 59 minutes: 39
- 60 to 89 minutes: 17
- 90 or more minutes: 12
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Percentage of zip code residents living and working in this county: 72.9%
Household type by relationship
Households: 2,461
- In family households: 2,115 (654 male householders, 82 female householders)
654 spouses, 659 children (549 natural, 43 adopted, 67 stepchildren), 4 grandchildren, 18 brothers or sisters, 12 parents, 3 other relatives, 29 non-relatives
- In nonfamily households: 346 (96 male householders (90 living alone)), 234 female householders (227 living alone)), 16 nonrelatives
- In group quarters: 519 (454 institutionalized population)
Size of family households: 439 2-persons, 106 3-persons, 110 4-persons, 56 5-persons, 20 6-persons, 5 7-or-more-persons.
Size of nonfamily households: 317 1-person, 13 2-persons.
458 married couples with children.
90 single-parent households (25 men, 65 women).
96.9% of residents of 50579 zip code speak English at home.
2.5% of residents speak Spanish at home (94% very well, 6% well).
0.5% of residents speak other Indo-European language at home (71% very well, 29% well).
0.1% of residents speak Asian or Pacific Island language at home (100% well).
Foreign born population: 14 (0.5%)
(78.6% of them are naturalized citizens)
| This zip code: | 0.5% | | Whole state: | 3.1% |
Most common places of birth for the foreign-born residents:
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- India (50%)
- Russia (29%)
- Thailand (21%)
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Year of entry for the foreign-born population |
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- 1995 to March 2000: 4
- 1990 to 1994: 7
- 1985 to 1989: 0
- 1980 to 1984: 0
- 1975 to 1979: 3
- 1970 to 1974: 0
- 1970 to 1974: 0
- 1965 to 1969: 0
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First ancestries reported:
- German: 873
- United States or American: 259
- Irish: 202
- English: 192
- Other groups: 120
- Norwegian: 114
- Swedish: 81
- Dutch: 50
- Scotch-Irish: 46
- Danish: 35
- Scottish: 30
- French (except Basque): 27
- Czech: 23
- Swiss: 17
- Welsh: 11
- European: 7
- Italian: 7
- Greek: 7
- Ukrainian: 7
- Finnish: 6
- Subsaharan African:: 6
- African: 6
- Belgian: 5
- Russian: 4
- Northern European: 2

Major facitilies 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.
Median worth of mobile homes: $32,500
Housing units lacking complete plumbing facilities: 1%
Most commonly used house heating fuel: |
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- Utility gas (74%)
- Bottled, tank, or LP gas (17%)
- Electricity (9%)
- Fuel oil, kerosene, etc. (1%)
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Place of birth for U.S.-born residents:
- This state: 2462
- Northeast: 41
- Midwest: 326
- South: 75
- West: 57
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, 82% lived in Iowa.
Population in 1990: 2,952. Population change in the 1990s: -23 (-0.8%).
Year Householders Moved Into Unit:
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Private vs. public school enrollment:
Students in private schools in grades 1 to 8 (elementary and middle school): 6
| Here: | 2.1% | | Iowa: | 10.8% |
Students in private schools in grades 9 to 12 (high school): 18
| Here: | 9.9% | | Iowa: | 7.1% |
Students in private undergraduate colleges: 0
| Here: | 0.0% | | Iowa: | 25.4% |
School Enrollment by Level of School
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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 Residents (Noninstitutionalized)
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Age and Sex of Physically-Disabled Residents (Noninstitutionalized)
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Age and Sex of Mentally-Disabled Residents (Noninstitutionalized)
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Age and Sex of Self-Care Disabled Residents (Noninstitutionalized)
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Age and Sex of Go-Outside-Home Disabled Residents (Noninstitutionalized)
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Age and Sex of Residents with Employment Disability (Noninst.)
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People in group quarters
- 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
Back to Rockwell City, IA, Calhoun County, IA, Iowa bigger cities, Iowa smaller cities, Iowa smallest towns, All U.S. cities.
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