Jefferson, Iowa | |
|---|---|
Greene County Courthouse in Jefferson | |
Location of Jefferson, Iowa | |
| Coordinates: 42°01′09″N 94°22′48″W / 42.01917°N 94.38000°W | |
| Country | |
| State | |
| County | Greene |
| Area | |
| • Total | 6.07 sq mi (15.72 km2) |
| • Land | 6.02 sq mi (15.58 km2) |
| • Water | 0.05 sq mi (0.13 km2) |
| Elevation | 1,056 ft (322 m) |
| Population (2020) | |
| • Total | 4,182 |
| • Density | 695.1/sq mi (268.4/km2) |
| Time zone | UTC-6 (Central (CST)) |
| • Summer (DST) | UTC-5 (CDT) |
| ZIP code | 50129 |
| Area code | 515 |
| FIPS code | 19-39450 |
| GNIS feature ID | 468135 |
| Website | cityofjeffersoniowa |
Jefferson is a city in Iowa in the United States. It is the county seat of Greene County. The number of people living in Jefferson was 4,182 at the 2020 census. It is the home of the Mahanay Memorial Bell Tower, which is in the town square, and can be seen for miles.