Rock Falls, Iowa

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Rock Falls is a city in Cerro Gordo County, Iowa, United States, along the Shell Rock River. The population was 170 at the 2000 census.[1] It is part of the Mason City Micropolitan Statistical Area.


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)[2].

According to the United States Census Bureau, the city has a total area of 0.2 square miles (0.5 km²), all of it land.


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/sq mi (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.


Clear Lake | Dougherty | Mason City | Meservey | Nora Springs‡ | Plymouth | Rock Falls | Rockwell | Swaledale | Thornton | Ventura

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