Keystone, Iowa
| Keystone, Iowa | |
|---|---|
| City | |
 Location of Keystone, Iowa |
|
| Coordinates: 42°0′3″N 92°11′55″W / 42.00083°N 92.19861°WCoordinates: 42°0′3″N 92°11′55″W / 42.00083°N 92.19861°W | |
| Country |
 United States
|
| State |
 Iowa
|
| County | Benton |
| Area | |
| • Total | 0.45 sq mi (1.17 km2) |
| • Land | 0.45 sq mi (1.17 km2) |
| • Water | 0 sq mi (0 km2) |
| Elevation | 883 ft (269 m) |
| Population (2010) | |
| • Total | 622 |
| • Estimate (2012) | 611 |
| • Density | 1,382.2/sq mi (533.7/km2) |
| Time zone | Central (CST) (UTC-6) |
| • Summer (DST) | CDT (UTC-5) |
| ZIP code | 52249 |
| Area code(s) | 319 |
| FIPS code | 19-41115 |
| GNIS feature ID | 0458064 |
Keystone is a city in Benton County, Iowa, United States. The population was 622 at the 2010 census. It is part of the Cedar Rapids Metropolitan Statistical Area.
Keystone was platted in 1881 when the Chicago, Milwaukee, and St. Paul Railroad was extended to that point.
Keystone is located at 42°00′03″N 92°11′55″W / 42.000915°N 92.198544°W.
According to the United States Census Bureau, the city has a total area of 0.45 square miles (1.17 km2), all of it land.
As of the census of 2010, there were 622 people, 250 households, and 165 families residing in the city. The population density was 1,382.2 inhabitants per square mile (533.7/km2). There were 280 housing units at an average density of 622.2 per square mile (240.2/km2). The racial makeup of the city was 99.2% White, 0.5% Native American, 0.2% Asian, and 0.2% from two or more races. Hispanic or Latino of any race were 0.6% of the population.
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