Janesville, Iowa | |
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Nickname: Oldest City in Bremer County | |
Coordinates: 42°38′46″N 92°27′46″W / 42.64611°N 92.46278°W | |
Country | United States |
State | Iowa |
Counties | Bremer, Black Hawk |
Government | |
• Type | City Council |
• Mayor | Sandi Carroll |
Area | |
• Total | 1.47 sq mi (3.81 km2) |
• Land | 1.41 sq mi (3.66 km2) |
• Water | 0.06 sq mi (0.15 km2) |
Elevation | 906 ft (276 m) |
Population (2020) | |
• Total | 1,034 |
• Density | 731.26/sq mi (282.39/km2) |
Time zone | UTC-6 (Central (CST)) |
• Summer (DST) | UTC-5 (CDT) |
ZIP code | 50647 |
Area code | 319 |
FIPS code | 19-39405 |
GNIS feature ID | 0457912 |
Janesville is a city in Black Hawk and Bremer counties in the U.S. state of Iowa. The population was 1034 at the 2020 census.[2] It is part of the Waterloo–Cedar Falls Metropolitan Statistical Area.