Rock Falls, Iowa

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Population in 2014: 153 (0% urban, 100% rural). Population change since 2000: -10.0%
 
Males: 75  (49.7%)
Females: 78  (50.3%)
Median resident age:  45.8 years
Iowa median age:  38.0 years

Zip code: 50467

Estimated median household income in 2016: $45,739 (it was $40,714 in 2000)
Rock Falls:

$45,739
IA:

$56,247

Estimated per capita income in 2016: $26,222 (it was $17,523 in 2000)

Estimated median house or condo value in 2016: $128,370 (it was $68,200 in 2000)
Rock Falls:

$128,370
IA:

$142,300

Mean prices in 2016: All housing units: $145,812; Detached houses: $145,965

Median gross rent in 2016: $570.

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  • Races in Rock Falls, IA (2010)

    Rock Falls races chart
    • 15398.7%White alone
    • 10.6%Asian alone
    • 10.6%Two or more races
Mar. 2016 cost of living index in Rock Falls: 83.8 (less than average, U.S. average is 100)
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Ancestries: German (34.6%), Irish (16.7%), American (10.3%), Czech (9.0%), Norwegian (7.7%), English (2.6%).

Current Local Time: CST time zone

Incorporated on 07/17/1882

Elevation: 1110 feet

Land area: 0.21 square miles.

Population density: 726 people per square mile   (low).

Rock Falls, Iowa map

For population 25 years and over in Rock Falls:

  • High school or higher: 97.3%
  • Bachelor's degree or higher: 10.0%
  • Graduate or professional degree: 1.8%
  • Unemployed: 6.2%
  • Mean travel time to work (commute): 19.5 minutes

For population 15 years and over in Rock Falls city:

  • Never married: 17.6%
  • Now married: 71.9%
  • Separated: 0.0%
  • Widowed: 4.8%
  • Divorced: 5.7%

5 residents are foreign born (1.3% North America, 0.7% Latin America).

This city:

3.3%
Iowa:

4.9%

Median real estate property taxes paid for housing units with mortgages in 2016: $1,580 (1.3%)
Median real estate property taxes paid for housing units with no mortgage in 2016: $1,420 (1.0%)

Rock Falls satellite photo by USGS

Nearest city with pop. 50,000+: Waterloo, IA (62.0 miles , pop. 68,747).

Nearest city with pop. 200,000+: St. Paul, MN (120.9 miles , pop. 287,151).

Nearest city with pop. 1,000,000+: Chicago, IL (291.3 miles , pop. 2,896,016).

Nearest cities: Plymouth, IA (1.8 miles ), Portland, IA (2.4 miles) , Nora Springs, IA (2.4 miles ), Mason City, IA (2.7 miles ), Manly, IA (2.9 miles ), Grafton, IA (2.9 miles ), Rudd, IA (3.3 miles ), Bolan, IA (3.4 miles) .

Single-family new house construction building permits:

  • 2012: 1 building, cost: $157,000

Latitude: 43.21 N, Longitude: 93.09 W

Area code commonly used in this area: 641

Rock Falls household income distribution Rock Falls home values distribution
Unemployment in September 2015:
Here:

3.5%
Iowa:

3.3%

Unemployment by year (%)

Population change in the 1990s: +39 (+29.8%).
Most common industries in 2016 (%)
Males Females
  • Construction (18%)
  • Transportation and warehousing (18%)
  • Other services, except public administration (12%)
  • Manufacturing (9%)
  • Wholesale trade (6%)
  • Information (6%)
  • Health care and social assistance (6%)
  • Educational services (32%)
  • Health care and social assistance (16%)
  • Retail trade (13%)
  • Other services, except public administration (11%)
  • Finance and insurance (8%)
  • Wholesale trade (5%)
  • Transportation and warehousing (5%)
Most common occupations in 2016 (%)
Males Females
  • Construction and extraction occupations (30%)
  • Installation, maintenance, and repair occupations (21%)
  • Management occupations (15%)
  • Material moving occupations (9%)
  • Fire fighting and prevention, and other protective service workers including supervisors (6%)
  • Personal care and service occupations (6%)
  • Production occupations (6%)
  • Office and administrative support occupations (47%)
  • Management occupations (16%)
  • Education, training, and library occupations (11%)
  • Food preparation and serving related occupations (11%)
  • Business and financial operations occupations (5%)
  • Health diagnosing and treating practitioners and other technical occupations (3%)
  • Building and grounds cleaning and maintenance occupations (3%)

Average climate in Rock Falls, Iowa

Based on data reported by over 4,000 weather stations

Rock Falls, Iowa average temperatures Rock Falls, Iowa average precipitation Rock Falls, Iowa humidity Rock Falls, Iowa wind speed Rock Falls, Iowa snowfall Rock Falls, Iowa sunshine Rock Falls, Iowa clear and cloudy days

Tornado activity:

Rock Falls-area historical tornado activity is near Iowa state average. It is 89% greater than the overall U.S. average.

On 4/30/1967, a category F4 (max. wind speeds 207-260 mph) tornado 7.7 miles away from the Rock Falls city center caused between $50,000 and $500,000 in damages.

On 10/14/1966, a category F5 (max. wind speeds 261-318 mph) tornado 29.9 miles away from the city center killed 6 people and injured 172 people and caused between $5,000,000 and $50,000,000 in damages.

Earthquake activity:

Rock Falls-area historical earthquake activity is slightly below Iowa state average. It is 84% smaller than the overall U.S. average.

On 7/9/1975 at 14:54:15, a magnitude 4.6 (4.6 MB, Class: Light, Intensity: IV - V) earthquake occurred 224.3 miles away from the city center
On 4/18/2008 at 09:36:59, a magnitude 5.4 (5.1 MB, 4.8 MS, 5.4 MW, 5.2 MW, Depth: 8.9 mi, Class: Moderate, Intensity: VI - VII) earthquake occurred 426.7 miles away from Rock Falls center
On 6/28/2004 at 06:10:52, a magnitude 4.2 (4.0 MB, 4.2 MW, Depth: 6.2 mi) earthquake occurred 245.7 miles away from the city center
On 6/5/1993 at 01:24:53, a magnitude 4.1 (4.1 LG, Depth: 6.2 mi) earthquake occurred 232.8 miles away from the city center
On 3/4/1983 at 06:32:18, a magnitude 4.6 (4.4 MB, 4.6 LG, 4.4 ML) earthquake occurred 323.6 miles away from Rock Falls center
On 6/10/1987 at 23:48:54, a magnitude 5.1 (4.9 MB, 4.4 MS, 4.6 MS, 5.1 LG) earthquake occurred 406.9 miles away from the city center
Magnitude types: regional Lg-wave magnitude (LG), body-wave magnitude (MB), local magnitude (ML), surface-wave magnitude (MS), moment magnitude (MW)

Natural disasters:

The number of natural disasters in Cerro Gordo County (12) is near the US average (13).
Major Disasters (Presidential) Declared: 11
Emergencies Declared: 1

Causes of natural disasters: Floods: 9, Storms: 6, Tornadoes: 4, Heavy Rain: 1, Hurricane: 1, Ice Storm: 1, Wind: 1 (Note: Some incidents may be assigned to more than one category).
Rock Falls topographic map

Hospitals and medical centers near Rock Falls:

  • NORA SPRINGS CARE CENTER (Nursing Home, about 7 miles away; NORA SPRINGS, IA)
  • HERITAGE CARE AND REHABILITATION CENTER (Nursing Home, about 7 miles away; MASON CITY, IA)
  • HERITAGE CARE CENTER (Nursing Home, about 7 miles away; MASON CITY, IA)
  • CERRO GORDO COUNTY DEPARTMENT OF PUBLIC HEALTH (Home Health Center, about 7 miles away; MASON CITY, IA)
  • MANLY NURSING AND REHAB CENTER (Nursing Home, about 8 miles away; MANLY, IA)
  • MERCY DIALYSIS CENTER - MASON CITY (Dialysis Facility, about 8 miles away; MASON CITY, IA)
  • AMERICANA HEALTH CARE CTR (Nursing Home, about 8 miles away; MASON CITY, IA)

Colleges/universities with over 2000 students nearest to Rock Falls:

  • North Iowa Area Community College (about 5 miles; Mason City, IA; Full-time enrollment: 2,235)
  • Riverland Community College (about 33 miles; Austin, MN; FT enrollment: 2,321)
  • University of Northern Iowa (about 58 miles; Cedar Falls, IA; FT enrollment: 10,816)
  • Northeast Iowa Community College-Calmar (about 62 miles; Calmar, IA; FT enrollment: 3,365)
  • Luther College (about 66 miles; Decorah, IA; FT enrollment: 2,700)
  • Rochester Community and Technical College (about 66 miles; Rochester, MN; FT enrollment: 4,444)
  • Hawkeye Community College (about 66 miles; Waterloo, IA; FT enrollment: 7,160)

Click to draw/clear city borders

Notable locations in Rock Falls: Rock Falls (A), Rock Falls Grain Company Elevator (B), Camp at the Woods (C), Rock Falls Community Center (D). Display/hide their locations on the map

Church in Rock Falls: United Methodist Church (A). Display/hide its location on the map

Cerro Gordo County has a predicted average indoor radon screening level greater than 4 pCi/L (pico curies per liter) - Highest Potential

Air pollution and air quality trends
(lower is better)

Air Quality Index (AQI) level in 2013 was 33.4. This is significantly better than average.

City:

33.4
U.S.:

74.7

Sulfur Dioxide (SO2) [ppb] level in 2008 was 0.136. This is significantly better than average. Closest monitor was 6.2 miles away from the city center.

City:

0.136
U.S.:

1.912

Particulate Matter (PM10) [µg/m3] level in 2013 was 19.4. This is about average. Closest monitor was 6.2 miles away from the city center.

City:

19.4
U.S.:

20.0

Particulate Matter (PM2.5) [µg/m3] level in 2004 was 10.2. This is about average. Closest monitor was 6.8 miles away from the city center.

City:

10.2
U.S.:

9.4
Percentage of residents living in poverty in 2016: 10.0%
(10.3% for White Non-Hispanic residents)
Average household size:
This city:  2.3 people
Iowa:  2.4 people

Percentage of family households:
This city:  73.5%
Whole state:  64.7%

Percentage of households with unmarried partners:
This city:  5.9%
Whole state:  6.7%

No gay or lesbian households reported

Educational Attainment (%) in 2016

School Enrollment by Level of School (%) in 2016

Education Gini index (Inequality in education)
Here:

5.8
Iowa average:

10.4

Rock Falls travel time to work - commute Rock Falls mode of transportation to work chart

Presidential Elections Results

1996 2000 2004 2008 2012 2016

1996 Presidential Elections Results

2000 Presidential Elections Results

2004 Presidential Elections Results

2008 Presidential Elections Results

2012 Presidential Elections Results

2016 Presidential Elections Results

Graphs represent county-level data. Detailed 2008 Election Results

Religion statistics for Rock Falls city (based on Cerro Gordo County data)

ReligionAdherentsCongregations
Mainline Protestant15,23129
Evangelical Protestant6,87130
Catholic6,6725
Other9706
Orthodox2001
None14,207-
Source: Clifford Grammich, Kirk Hadaway, Richard Houseal, Dale E.Jones, Alexei Krindatch, Richie Stanley and Richard H.Taylor. 2012. 2010 U.S.Religion Census: Religious Congregations & Membership Study. Association of Statisticians of American Religious Bodies. Jones, Dale E., et al. 2002. Congregations and Membership in the United States 2000. Nashville, TN: Glenmary Research Center. Graphs represent county-level data

Food Environment Statistics:

Number of grocery stores: 8
Cerro Gordo County:

1.82 / 10,000 pop.
Iowa:

2.14 / 10,000 pop.
Number of supercenters and club stores: 2
This county:

0.45 / 10,000 pop.
State:

0.23 / 10,000 pop.
Number of convenience stores (no gas): 2
Cerro Gordo County:

0.45 / 10,000 pop.
Iowa:

0.43 / 10,000 pop.
Number of convenience stores (with gas): 29
Cerro Gordo County:

6.59 / 10,000 pop.
State:

5.55 / 10,000 pop.
Number of full-service restaurants: 50
Here:

11.36 / 10,000 pop.
State:

8.01 / 10,000 pop.
Adult diabetes rate:
This county:

9.3%
Iowa:

7.8%
Adult obesity rate:
Cerro Gordo County:

26.1%
Iowa:

27.3%
Low-income preschool obesity rate:
This county:

16.0%
State:

14.5%

Health and Nutrition:

Healthy diet rate:
This city:

50.1%
State:

48.7%

Average overall health of teeth and gums:
Rock Falls:

45.7%
State:

44.7%

Average BMI:
Here:

28.7
State:

28.6

People feeling badly about themselves:
Rock Falls:

24.1%
Iowa:

22.0%

People not drinking alcohol at all:
This city:

5.1%
State:

10.7%

Average hours sleeping at night:
This city:

6.8
Iowa:

6.8

Overweight people:
Rock Falls:

32.2%
Iowa:

33.5%

General health condition:
Rock Falls:

56.8%
Iowa:

54.9%

Average condition of hearing:
Rock Falls:

74.5%
State:

77.3%

More about Health and Nutrition of Rock Falls, IA Residents
Local government employment and payroll (March 2012)
Function Full-time employees Monthly full-time payroll Average yearly full-time wage Part-time employees Monthly part-time payroll
Other Government Administration 0$0 1$600
Totals for Government 0$0 1$600

Rock Falls government finances - Expenditure in 2002 (per resident):

  • Current Operations - Sewerage: $31,000 ($202.61)
    Regular Highways: $10,000 ($65.36)
    General - Other: $8,000 ($52.29)
    Solid Waste Management: $6,000 ($39.22)
    Financial Administration: $4,000 ($26.14)
    General Public Buildings: $2,000 ($13.07)
    Parks & Recreation: $2,000 ($13.07)
    Central Staff Services: $2,000 ($13.07)
    Judicial and Legal Services: $1,000 ($6.54)
    Fire Protection: $1,000 ($6.54)
  • Other Capital Outlay - Parks & Recreation: $4,000 ($26.14)
  • Total Salaries & Wages: $6,000 ($39.22)

Rock Falls government finances - Revenue in 2002 (per resident):

  • Charges - Sewerage: $30,000 ($196.08)
    Solid Waste Management: $7,000 ($45.75)
  • Miscellaneous - General Revenue, NEC: $5,000 ($32.68)
    Interest Earnings: $3,000 ($19.61)
  • State Intergovernmental - Highways: $14,000 ($91.50)
    General Support: $2,000 ($13.07)
  • Tax - Property: $18,000 ($117.65)
    Total General Sales: $17,000 ($111.11)
    NEC: $1,000 ($6.54)

Rock Falls government finances - Cash and Securities in 2002 (per resident):

  • Other Funds - Cash & Deposits: $107,000 ($699.35)

5.02% of this county's 2011 resident taxpayers lived in other counties in 2010 ($38,530 average adjusted gross income)

Here:

5.02%
Iowa average:

5.75%

10 or fewer of this county's residents moved from foreign countries between 2010 and 2011.

Top counties from which taxpayers relocated into this county between 2010 and 2011:
from Worth County, IA  0.37% ($28,877 average AGI)
from Floyd County, IA  0.35% ($27,452)
from Franklin County, IA  0.24% ($32,548)


5.94% of this county's 2010 resident taxpayers moved to other counties in 2011 ($40,794 average adjusted gross income)

Here:

5.94%
Iowa average:

5.94%

10 or fewer of this county's residents moved to foreign countries between 2010 and 2011.

Top counties to which taxpayers relocated from this county between 2010 and 2011:
to Polk County, IA  0.45% ($34,875 average AGI)
to Worth County, IA  0.33% ($36,136)
to Black Hawk County, IA  0.30% ($23,870)

Strongest AM radio stations in Rock Falls:

  • KGLO (1300 AM; 5 kW; MASON CITY, IA; Owner: CLEAR CHANNEL BROADCASTING LICENSES, INC.)
  • KRNI (1010 AM; 1 kW; MASON CITY, IA; Owner: UNIVERSITY OF NORTHERN IOWA)
  • KRIB (1490 AM; 1 kW; MASON CITY, IA; Owner: THREE EAGLES OF MASON CITY, INC.)
  • KXEL (1540 AM; 50 kW; WATERLOO, IA; Owner: KXEL BROADCASTING COMPANY, INC.)
  • KFAN (1130 AM; 50 kW; MINNEAPOLIS, MN; Owner: AMFM RADIO LICENSES, L.L.C.)
  • WHO (1040 AM; 50 kW; DES MOINES, IA; Owner: CITICASTERS LICENSES, L.P.)
  • KNFX (970 AM; 5 kW; AUSTIN, MN; Owner: CLEAR CHANNEL BROADCASTING LICENSES, INC.)
  • WCTS (1030 AM; 50 kW; MAPLEWOOD, MN; Owner: CNTL. BAPT. THEO/AL SEMI MINNEAPOLIS)
  • WCCO (830 AM; 50 kW; MINNEAPOLIS, MN; Owner: INFINITY MEDIA CORPORATION)
  • KCNZ (1250 AM; 10 kW; CEDAR FALLS, IA; Owner: FIFE COMMUNICATION COMPANY, L.C.)
  • KSTP (1500 AM; 50 kW; ST. PAUL, MN; Owner: KSTP-AM, LLC (DELAWARE))
  • KTIS (900 AM; 25 kW; MINNEAPOLIS, MN; Owner: NORTHWESTERN COLLEGE)
  • KOLM (1520 AM; 10 kW; ROCHESTER, MN; Owner: OLMSTED COUNTY BROADCASTING COMPANY)

Strongest FM radio stations in Rock Falls:

  • KLSS-FM (106.1 FM; MASON CITY, IA; Owner: THREE EAGLES OF MASON CITY, INC.)
  • KUNY (91.5 FM; MASON CITY, IA; Owner: UNIVERSITY OF NORTHERN IOWA)
  • KIAI (93.9 FM; MASON CITY, IA; Owner: CLEAR CHANNEL BROADCASTING LICENSES, INC.)
  • KCMR (97.9 FM; MASON CITY, IA; Owner: TLC BROADCASTING CORPORATION)
  • KBDC (88.5 FM; MASON CITY, IA; Owner: AMERICAN FAMILY ASSOCIATION)
  • KSMA-FM (98.7 FM; OSAGE, IA; Owner: CLEAR CHANNEL BROADCASTING LICENSES, INC.)
  • K223AB (92.5 FM; MASON CITY, IA; Owner: GREAT COMM. COMMCNS. OF N. IOWA INC)
  • KAUS-FM (99.9 FM; AUSTIN, MN; Owner: THREE EAGLES OF LUVERNE, INC.)
  • KROC-FM (106.9 FM; ROCHESTER, MN; Owner: SOUTHERN MINNESOTA BROADCASTING CO.)
  • K214BA (90.7 FM; MASON CITY, ETC., IA; Owner: UNIVERSITY OF NORTHERN IOWA)
  • KJCY (95.5 FM; ST. ANSGAR, IA; Owner: MINN-IOWA CHRISTIAN BROADCASTING, INC.)
  • KLKK (103.7 FM; CLEAR LAKE, IA; Owner: CLEAR CHANNEL BROADCASTING LICENSES, INC.)
  • KIOW (107.3 FM; FOREST CITY, IA; Owner: PILOT KNOB BROADCASTING)
  • KYTC (102.7 FM; NORTHWOOD, IA; Owner: THREE EAGLES OF MASON CITY, INC.)
  • KCHA-FM (95.9 FM; CHARLES CITY, IA; Owner: CLEAR CHANNEL BROADCASTING LICENSES, INC.)

TV broadcast stations around Rock Falls:

  • KIMT (Channel 3; MASON CITY, IA; Owner: MEDIA GENERAL BROADCASTING OF SO. CAROLINA HOLDINGS, INC.)
  • KYIN (Channel 24; MASON CITY, IA; Owner: IOWA PUBLIC BROADCASTING BOARD)
  • KTTC (Channel 10; ROCHESTER, MN; Owner: KTTC TELEVISION, INC.)
  • KAAL (Channel 6; AUSTIN, MN; Owner: KAAL-TV, LLC)
  • KSMQ-TV (Channel 15; AUSTIN, MN; Owner: INDEPENDENT SCHOOL DISTRICT #492)

Drinking water stations with addresses in Rock Falls and their reported violations in the past:

ROCK FALLS LOUNGE (Population served: 35, Groundwater):
Past monitoring violations:
  • 2 routine major monitoring violations
  • One regular monitoring violation

Rock Falls compared to Iowa state average:

  • Unemployed percentage below state average.
  • Black race population percentage significantly below state average.
  • Hispanic race population percentage significantly below state average.
  • Median age above state average.
  • Foreign-born population percentage below state average.
  • Renting percentage significantly below state average.
  • Length of stay since moving in significantly below state average.
  • Number of rooms per house above state average.
  • Number of college students significantly below state average.
  • Percentage of population with a bachelor's degree or higher below state average.
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