Rock Valley, Iowa

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Rock Valley is a city in Sioux County, Iowa, United States, along the Rock River. The population was 2,702 at the 2000 census.



The first homesteads were established in 1868.[citation needed]


Rock Valley is located at 43°12′6″N 96°17′47″W / 43.20167°N 96.29639°W / 43.20167; -96.29639 (43.201624, -96.296379)[1].

According to the United States Census Bureau, the city has a total area of 1.7 square miles (4.5 km²), of which, 1.7 square miles (4.4 km²) of it is land and 0.1 square miles (0.1 km²) of it (2.87%) is water.

Rock Valley is located on U.S. Route 18.


As of the census[2] of 2000, there were 2,702 people, 1,124 households, and 750 families residing in the city. The population density was 1,599.9 people per square mile (617.3/km²). There were 1,202 housing units at an average density of 711.7/sq mi (274.6/km²). The racial makeup of the city was 98.48% White, 0.11% African American, 0.07% Native American, 0.33% Asian, 0.59% from other races, and 0.41% from two or more races. Hispanic or Latino of any race were 1.04% of the population.

There were 1,124 households out of which 29.4% had children under the age of 18 living with them, 59.8% were married couples living together, 5.2% had a female householder with no husband present, and 33.2% were non-families. 30.9% of all households were made up of individuals and 16.5% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 3.00.

In the city the population was spread out with 25.4% under the age of 18, 9.6% from 18 to 24, 24.4% from 25 to 44, 18.3% from 45 to 64, and 22.3% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 92.6 males. For every 100 females age 18 and over, there were 89.8 males.

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