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 located in Sioux County, Iowa, in the northwestern part of Iowa, United States. It is situated along the Rock River. In 2020, the city had a population of 4,059 people.
Contents
City Location and Size
Rock Valley is found at coordinates 43.201624 degrees north and -96.296379 degrees west.
The city covers a total area of about 3.27 square miles (8.47 square kilometers). Most of this area, 3.22 square miles (8.34 square kilometers), is land. A small part, 0.05 square miles (0.13 square kilometers), is water.
You can find Rock Valley along U.S. Route 18.
Rock Valley's History
The town of Rock Valley was officially planned in 1879. It was laid out by Colonel Ira Warren, who was a veteran of the Civil War. He worked with the Chicago Milwaukee & St. Paul Railway on land that he owned.
Local Economy and Environment
In February 2022, there was an event near Rock Valley involving a methane digester at Winding Meadows Dairy. This led to a spill of liquid manure, which flowed across frozen fields and into Lizard Creek (Iowa). Lizard Creek is a small stream that flows into the Rock River.
About 376,414 gallons of liquid manure entered the waterways. The Iowa Department of Natural Resources worked to address the environmental impact of this spill.
Education in Rock Valley
The Rock Valley Community School District provides education for students in the city and the areas around it.
Famous People from Rock Valley
Many notable individuals were born in Rock Valley, including:
- Florence Fallgatter, a home economist.
- James Francis Macbride, a botanist who studies plants.
- Stephen A. Mitchell (politician), a politician.
- Richard Mulder (1938–2022), a doctor and state legislator in Minnesota.
- Katy Olson, a politician.
- Andrew Van Ginkel, a football player.
Population Changes Over Time
| Historical populations | ||
|---|---|---|
| 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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2020 Population Details
In 2020, Rock Valley had 4,059 residents living in 1,469 households. Most people, about 81.0%, identified as White. About 21.4% of the population identified as Hispanic or Latino.
The average age in the city was 34.3 years. Many residents, 32.3%, were under 20 years old. About 16.3% of the population was 65 years or older. The population was almost evenly split between males (49.6%) and females (50.4%).
2010 Population Details
In 2010, the city's population was 3,354 people, living in 1,283 households. The population density was about 1041.6 people per square mile (402.2 per square kilometer).
Most residents, 92.2%, were White. About 12.2% of the population identified as Hispanic or Latino. The median age was 35.8 years. About 27.3% of residents were under 18 years old, and 19.9% were 65 years or older.
See also
In Spanish: Rock Valley (Iowa) para niños
