Rock Valley, Iowa facts for kids
Quick facts for kids
Rock Valley, Iowa
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| Motto(s):
"Place of opportunities"
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Location of Rock Valley, Iowa
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| Country |  United States |
| State |  Iowa |
| County | Sioux |
| Government | |
| • Type | Mayor-council |
| Area | |
| • Total | 4.51 sq mi (11.69 km2) |
| • Land | 4.46 sq mi (11.55 km2) |
| • Water | 0.05 sq mi (0.14 km2) |
| Elevation | 1,250 ft (381 m) |
| Population
(2020)
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| • Total | 4,059 |
| • Density | 909.89/sq mi (351.34/km2) |
| Time zone | UTC-6 (Central (CST)) |
| • Summer (DST) | UTC-5 (CDT) |
| ZIP code |
51247
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| Area code(s) | 712 |
| FIPS code | 19-68205 |
| GNIS feature ID | 0460747 |
Rock Valley is a city in Sioux County, Iowa, the North Western corner of Iowa, United States, along the Rock River. The population was 4,059 at the time of the 2020 census.
Geography
Rock Valley is located at 43°12′6″N 96°17′47″W / 43.20167°N 96.29639°W (43.201624, -96.296379).
According to the United States Census Bureau, the city has a total area of 3.27 square miles (8.47 km2), of which 3.22 square miles (8.34 km2) is land and 0.05 square miles (0.13 km2) is water.
Rock Valley is located on U.S. Route 18.
History
The town of Rock Valley was platted in 1879 by a Colonel Ira Warren, a Civil War veteran, and the Chicago Milwaukee & St. Paul Railway on ground owned by Warren.
Economy
In February 2022, a methane digester of Winding Meadows Dairy near Rock Valley owned by Gevo spilled manure which flowed across frozen fields into Lizard Creek (Iowa), a tributary of the Rock River. Eventually it was found 376,414 gallons of liquid manure spilled into waterways and Gevo had no license to operate the digester. The Iowa Department of Natural Resources fined the dairy farmer $10,000 for the spill, but not Gevo.
Education
The Rock Valley Community School District Serves the town and the surrounding area.
Notable people
- Florence Fallgatter, home economist, was born in Rock Valley.
- James Francis Macbride, botanist, was born in Rock Valley.
- Stephen A. Mitchell (politician), was born in Rock Valley.
- Richard Mulder (1938–2022), physician and Minnesota state legislator was born in Rock Valley.
- Katy Olson, politician, was born in Rock Valley.
- Andrew Van Ginkel, football player, was born in Rock Valley
Demographics
| Historical populations | ||
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| Year | Pop. | ±% |
| 1880 | 100 | — |
| 1890 | 542 | +442.0% |
| 1900 | 1,054 | +94.5% |
| 1910 | 1,198 | +13.7% |
| 1920 | 1,347 | +12.4% |
| 1930 | 1,204 | −10.6% |
| 1940 | 1,507 | +25.2% |
| 1950 | 1,581 | +4.9% |
| 1960 | 1,693 | +7.1% |
| 1970 | 2,205 | +30.2% |
| 1980 | 2,706 | +22.7% |
| 1990 | 2,540 | −6.1% |
| 2000 | 2,702 | +6.4% |
| 2010 | 3,354 | +24.1% |
| 2020 | 4,059 | +21.0% |
| Source: and Iowa Data Center Source: |
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2010 census
As of the census of 2010, there were 3,354 people, 1,283 households, and 870 families living in the city. The population density was 1,041.6 inhabitants per square mile (402.2/km2). There were 1,356 housing units at an average density of 421.1 per square mile (162.6/km2). The racial makeup of the city was 92.2% White, 0.3% African American, 0.4% Asian, 5.8% from other races, and 1.2% from two or more races. Hispanic or Latino of any race were 12.2% of the population.
There were 1,283 households, of which 32.9% had children under the age of 18 living with them, 60.9% were married couples living together, 4.2% had a female householder with no husband present, 2.7% had a male householder with no wife present, and 32.2% were non-families. 28.8% of all households were made up of individuals, and 13.5% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 3.16.
The median age in the city was 35.8 years. 27.3% of residents were under the age of 18; 8.1% were between the ages of 18 and 24; 25.3% were from 25 to 44; 19.4% were from 45 to 64; and 19.9% were 65 years of age or older. The gender makeup of the city was 49.4% male and 50.6% female.
See also
In Spanish: Rock Valley (Iowa) para niños
