Rock Falls, Iowa

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Rock Falls, Iowa
City
Location of Rock Falls, Iowa
Location of Rock Falls, Iowa
Coordinates: 43°12′22″N 93°5′10″W / 43.20611°N 93.08611°W / 43.20611; -93.08611Coordinates: 43°12′22″N 93°5′10″W / 43.20611°N 93.08611°W / 43.20611; -93.08611
Country United States
State Iowa
CountyCerro Gordo
Area
 • Total0.21 sq mi (0.55 km2)
 • Land0.21 sq mi (0.55 km2)
 • Water0.00 sq mi (0.00 km2)
Elevation
1,102 ft (336 m)
Population
 • Total155
 • Estimate 
(2019)[3]
143
 • Density677.73/sq mi (261.22/km2)
Time zoneUTC-6 (Central (CST))
 • Summer (DST)UTC-5 (CDT)
ZIP code
50467
Area code(s)641
FIPS code19-68025
GNIS feature ID0460739

Rock Falls is a city in Cerro Gordo County, Iowa, United States, along the Shell Rock River. The population was 155 at the 2010 census.[4] It is part of the Mason City Micropolitan Statistical Area.

Geography[edit]

Rock Falls is located at 43°12′22″N 93°5′10″W / 43.20611°N 93.08611°W / 43.20611; -93.08611 (43.206223, -93.086145).[5]

According to the United States Census Bureau, the city has a total area of 0.21 square miles (0.54 km2), all land.[6]

Demographics[edit]

Historical populations
YearPop.±%
1870221—    
1880221+0.0%
1890122−44.8%
1900124+1.6%
191087−29.8%
192085−2.3%
1930109+28.2%
1940153+40.4%
1950139−9.2%
1960156+12.2%
1970150−3.8%
1980196+30.7%
1990155−20.9%
2000170+9.7%
2010155−8.8%
2019143−7.7%
Source:"U.S. Census website". United States Census Bureau. Retrieved 2020-03-29. and Iowa Data Center
Source:
U.S. Decennial Census[7]

2010 census[edit]

As of the census[2] of 2010, there were 155 people, 68 households, and 50 families residing in the city. The population density was 738.1 inhabitants per square mile (285.0/km2). There were 74 housing units at an average density of 352.4 per square mile (136.1/km2). The racial makeup of the city was 98.7% White, 0.6% Asian, and 0.6% from two or more races.

There were 68 households, of which 22.1% had children under the age of 18 living with them, 66.2% were married couples living together, 4.4% had a female householder with no husband present, 2.9% had a male householder with no wife present, and 26.5% were non-families. 19.1% of all households were made up of individuals, and 10.3% had someone living alone who was 65 years of age or older. The average household size was 2.28 and the average family size was 2.64.

The median age in the city was 49.5 years. 14.8% of residents were under the age of 18; 4.7% were between the ages of 18 and 24; 24.5% were from 25 to 44; 29.1% were from 45 to 64; and 27.1% were 65 years of age or older. The gender makeup of the city was 51.0% male and 49.0% female.

2000 census[edit]

As of the census of 2000, there were 170 people, 68 households, and 55 families residing in the city. The population density was 806.7 people per square mile (312.6/km2). There were 69 housing units at an average density of 327.4 per square mile (126.9/km2). The racial makeup of the city was 100.00% White. Hispanic or Latino of any race were 0.59% of the population.

There were 68 households, out of which 32.4% had children under the age of 18 living with them, 69.1% were married couples living together, 5.9% had a female householder with no husband present, and 19.1% were non-families. 17.6% of all households were made up of individuals, and 8.8% had someone living alone who was 65 years of age or older. The average household size was 2.50 and the average family size was 2.76.

In the city, the population was spread out, with 22.4% under the age of 18, 5.9% from 18 to 24, 29.4% from 25 to 44, 25.9% from 45 to 64, and 16.5% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 102.4 males. For every 100 females age 18 and over, there were 94.1 males.

The median income for a household in the city was $40,714, and the median income for a family was $42,917. Males had a median income of $28,750 versus $16,719 for females. The per capita income for the city was $17,523. None of the families and 1.1% of the population were living below the poverty line, including no under eighteens and 4.4% of those over 64.

Education[edit]

Rock Falls' public schools are operated by the Central Springs Community School District,[8] established on July 1, 2011, by the merger of North Central Community School District and Nora Springs–Rock Falls Community School District.[9]

References[edit]

  1. ^ "2019 U.S. Gazetteer Files". United States Census Bureau. Retrieved July 17, 2020.
  2. ^ a b "U.S. Census website". United States Census Bureau. Retrieved 2012-05-11.
  3. ^ "Population and Housing Unit Estimates". United States Census Bureau. May 24, 2020. Retrieved May 27, 2020.
  4. ^ "U.S. Census website". United States Census Bureau. Retrieved 2008-01-31.
  5. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
  6. ^ "US Gazetteer files 2010". United States Census Bureau. Archived from the original on 2012-01-25. Retrieved 2012-05-11.
  7. ^ "Census of Population and Housing". Census.gov. Retrieved June 4, 2015.
  8. ^ "Central Springs." Iowa Department of Education. Retrieved on January 6, 2019.
  9. ^ "REORGANIZATION & DISSOLUTION ACTIONS SINCE 1965-66." Iowa Department of Education. Retrieved on January 6, 2019.
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