Janesville, Iowa
Janesville is a city in Bremer County, Iowa, with an estimated population of 1,051 in 2023. It sits at 42.6458, -92.4624 in the America/Chicago time zone.
| Field | Value |
|---|---|
| Place name | Janesville |
| Type | city |
| State | Iowa (IA) |
| County | Bremer County |
| Population (2023 est.) | 1,051 |
| Land area | 1.39 sq mi (3.60 km²) |
| Coordinates | 42.6458, -92.4624 |
| Time zone | America/Chicago |
| ZIP codes | 50647 |
This place also extends into Black Hawk County.
ZIP codes and area codes for Janesville
Janesville covers 1 ZIP code: 50647. Browse all ZIP codes in Iowa for the full list.
Where is Janesville?
Janesville is located in Iowa, in Bremer County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
Waverly 8 km · IADenver 11 km · IAShell Rock 12 km · IACedar Falls 14 km · IANew Hartford 16 km · IAWaterloo 19 km · IAReadlyn 20 km · IAClarksville 22 km · IA
Other places in Bremer County
Related
Frequently asked questions
What county is Janesville, IA in?
Janesville is in Bremer County, Iowa.
What is the population of Janesville, IA?
The 2023 Census Bureau estimate is 1,051.
What time zone is Janesville in?
Janesville is in the America/Chicago time zone.