Rock Falls, Iowa

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Population in 2022: 146 (0% urban, 100% rural).
Population change since 2000: -14.1%
 
Males: 59  (40.8%)
Females: 87  (59.2%)
Median resident age:

37.0 years
Iowa median age:

38.9 years

Zip code: 50467

Estimated median household income in 2022: $53,618 (it was $40,714 in 2000)
Rock Falls:

$53,618
IA:

$69,588

Estimated per capita income in 2022: $25,972 (it was $17,523 in 2000)

Estimated median house or condo value in 2022: $147,343 (it was $68,200 in 2000)
Rock Falls:

$147,343
IA:

$194,600

Mean prices in 2022: all housing units: $174,122; detached houses: $173,729

Median gross rent in 2022: $804.

March 2022 cost of living index in Rock Falls: 82.7 (low, U.S. average is 100)
Percentage of residents living in poverty in 2022: 8.5%

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According to our research of Iowa and other state lists, there was 1 registered sex offender living in Rock Falls, Iowa as of May 26, 2024.
The ratio of all residents to sex offenders in Rock Falls is 151 to 1.


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Latest news from Rock Falls, IA collected exclusively by city-data.com from local newspapers, TV, and radio stations

Ancestries: American (29.8%), Lithuanian (16.4%), English (10.4%), German (10.4%), Irish (7.5%), European (6.0%).

Current Local Time: CST time zone

Incorporated on 07/17/1882

Elevation: 1110 feet

Land area: 0.21 square miles.

Population density: 693 people per square mile   (low).

Rock Falls, Iowa map

2 residents are foreign born

This city:

1.2%
Iowa:

3.1%

Median real estate property taxes paid for housing units with mortgages in 2022: $1,934 (1.0%)
Median real estate property taxes paid for housing units with no mortgage in 2022: $1,528 (1.1%)

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)

Latitude: 43.21 N, Longitude: 93.09 W

Area code commonly used in this area: 641

Distribution of median household income in Rock Falls, IA in 2022
Distribution of house value in Rock Falls, IA in 2022

Rock Falls satellite photo by USGS

Single-family new house construction building permits:

  • 2012: 1 building, cost: $157,000
Unemployment in December 2023:
Here:

2.8%
Iowa:

2.7%
Population change in the 1990s: +39 (+29.8%).
Most common industries in Rock Falls, IA (%)
Both Males Females
Most common industries in 2000
  • Construction (12.1%)
  • Personal & laundry services (9.9%)
  • Metal & metal products (8.8%)
  • Health care (7.7%)
  • Finance & insurance (6.6%)
  • U. S. Postal service (5.5%)
  • Machinery (4.4%)
Most common industries for males in 2000
  • Construction (20.5%)
  • Metal & metal products (18.2%)
  • Machinery (9.1%)
  • Nonmetallic mineral products (6.8%)
  • Groceries & related products merchant wholesalers (6.8%)
  • Rail transportation (6.8%)
  • Truck transportation (6.8%)
Most common industries for females in 2000
  • Personal & laundry services (19.1%)
  • Finance & insurance (12.8%)
  • U. S. Postal service (10.6%)
  • Health care (10.6%)
  • Social assistance (6.4%)
  • Building material & garden equipment & supplies dealers (4.3%)
  • Construction (4.3%)
Most common occupations in Rock Falls, IA (%)
Both Males Females
Most common occupations in 2000
  • Other production occupations, including supervisors (9.9%)
  • Other management occupations, except farmers and farm managers (9.9%)
  • Other office and administrative support workers, including supervisors (9.9%)
  • Metal workers and plastic workers (6.6%)
  • Other healthcare support occupations (6.6%)
  • Retail sales workers, except cashiers (4.4%)
  • Cashiers (4.4%)
Most common occupations for males in 2000
  • Other production occupations, including supervisors (15.9%)
  • Metal workers and plastic workers (13.6%)
  • Other management occupations, except farmers and farm managers (9.1%)
  • Retail sales workers, except cashiers (9.1%)
  • Electricians (6.8%)
  • Laborers and material movers, hand (6.8%)
  • Other sales and related occupations, including supervisors (4.5%)
Most common occupations for females in 2000
  • Other office and administrative support workers, including supervisors (14.9%)
  • Other healthcare support occupations (10.6%)
  • Other management occupations, except farmers and farm managers (10.6%)
  • Cashiers (8.5%)
  • Textile, apparel, and furnishings workers (8.5%)
  • Art and design workers (6.4%)
  • Supervisors and other personal care and service workers, except child care workers (6.4%)

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
Air pollution and air quality trends
(lower is better)
AQI SO2
Air Quality Index

Air Quality Index (AQI) level in 2008 was 1.21. This is significantly better than average.

City:

1.21
U.S.:

72.56
Sulfur Dioxide Level

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.:

1.515

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 significantly above Iowa state average. It is 115% greater 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, 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 (4.2 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 9/3/2016 at 12:02:44, a magnitude 5.8 (5.8 MW, Depth: 3.5 mi) earthquake occurred 511.4 miles away from Rock Falls 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 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 (14) is near the US average (15).
Major Disasters (Presidential) Declared: 12
Emergencies Declared: 1

Causes of natural disasters: Floods: 10, Storms: 7, Tornadoes: 5, Winds: 2, Heavy Rain: 1, Hurricane: 1, Ice Storm: 1, Other: 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)

Points of interest:

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

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
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

For population 15 years and over in Rock Falls:

Marital status in Rock Falls, IA
  • Never married: 32.6%
  • Now married: 54.9%
  • Separated: 0.0%
  • Widowed: 7.8%
  • Divorced: 4.7%

For population 25 years and over in Rock Falls:

  • High school or higher: 100.0%
  • Bachelor's degree or higher: 18.7%
  • Graduate or professional degree: 6.7%
  • Unemployed: 6.2%
  • Mean travel time to work (commute): 19.5 minutes
Educational Attainment in 2022
School Enrollment by Level of School in 2022
Education Gini index (Inequality in education)
Here:

7.0
Iowa average:

10.5

Presidential Elections Results

Graphs represent county-level data. Detailed 2008 Election Results

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

Religions Adherents in 2010
Religions Adherents - Change between 2000 and 2010
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.
State:

2.14 / 10,000 pop.
Number of supercenters and club stores: 2
Cerro Gordo County:

0.45 / 10,000 pop.
Iowa:

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
This county:

11.36 / 10,000 pop.
State:

8.01 / 10,000 pop.
Adult diabetes rate:
Here:

9.3%
Iowa:

7.8%
Adult obesity rate:
Cerro Gordo County:

26.1%
Iowa:

27.3%
Low-income preschool obesity rate:
Here:

16.0%
State:

14.5%

Health and Nutrition:

Healthy diet rate:
This city:

63.7%
State:

49.5%

Average overall health of teeth and gums:
Rock Falls:

66.9%
State:

46.1%

Average BMI:
Here:

26.8
State:

28.6

People feeling badly about themselves:
Rock Falls:

18.5%
Iowa:

21.4%

People not drinking alcohol at all:
This city:

8.1%
State:

10.4%

Average hours sleeping at night:
This city:

7.3
Iowa:

6.8

Overweight people:
Rock Falls:

34.5%
Iowa:

33.8%

General health condition:
Rock Falls:

69.3%
Iowa:

55.9%

Average condition of hearing:
Rock Falls:

85.7%
State:

77.7%

More about Health and Nutrition of Rock Falls, IA Residents
Local government employment and payroll (March 2022)
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 8$914
Totals for Government 0$0 8$914

Rock Falls government finances - Expenditure in 2017 (per resident):

  • Current Operations - Sewerage: $31,000 ($212.33)
    Judicial and Legal Services: $22,000 ($150.68)
    Solid Waste Management: $20,000 ($136.99)
    General - Other: $14,000 ($95.89)
    Parks and Recreation: $12,000 ($82.19)
    Regular Highways: $10,000 ($68.49)
    Central Staff Services: $4,000 ($27.40)
    Local Fire Protection: $4,000 ($27.40)
    Financial Administration: $4,000 ($27.40)
    Health - Other: $2,000 ($13.70)
    Libraries: $1,000 ($6.85)
  • Total Salaries and Wages: $12,000 ($82.19)

Rock Falls government finances - Revenue in 2017 (per resident):

  • Charges - Sewerage: $36,000 ($246.58)
    Solid Waste Management: $9,000 ($61.64)
  • Miscellaneous - General Revenue - Other: $12,000 ($82.19)
  • State Intergovernmental - Highways: $9,000 ($61.64)
  • Tax - Property: $38,000 ($260.27)
    General Sales and Gross Receipts: $21,000 ($143.84)

Rock Falls government finances - Cash and Securities in 2017 (per resident):

  • Sinking Funds - Cash and Securities: $163,000 ($1116.44)

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)

Rock Falls fatal accident list:

Oct 17, 2018 01:10 AM, Cr-Riverside Dr, Lat: 43.206772, Lon: -93.088897, Vehicles: 1, Persons: 1, Fatalities: 1, Drunk persons involved: 1
  • National Bridge Inventory (NBI) Statistics
  • 8Number of bridges
  • 79ft / 24.2mTotal length
  • 345Total average daily traffic
  • 345Total future (year 2040) average daily traffic
Houses and condos Apartments
Most commonly used house heating fuel in houses and condos in Rock Falls, IA
  • 94.7%Bottled, tank, or LP gas
  • 5.3%Utility gas
Most commonly used house heating fuel in apartments in Rock Falls, IA
  • 100.0%Bottled, tank, or LP gas


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 significantly below state average.
  • Renting percentage significantly below state average.
  • Length of stay since moving in significantly above state average.
  • Number of college students significantly below state average.
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