Janesville
City in Bremer County, Iowa

Janesville is a city in Bremer County, Iowa, with 1,034 residents (2020 Census). It sits at 906 ft (276 m) above sea level. The nearest town is Waverly, 5.3 miles N.
- 1,034residents (2020 Census)
- 906 ftelevation · 276 m
- 1.4 sq miland area · 3.6 km²
- 744 / sq mipopulation density
- 50647ZIP code
About Janesville
Janesville is a city in Black Hawk and Bremer counties in the US state of Iowa. The population was 1,034 at the 2020 census. It is part of the Waterloo–Cedar Falls Metropolitan Statistical Area.
Text: Wikipedia · CC BY-SA 4.0
Janesville weather: 7-day forecast
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Live webcams in Janesville
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Living in Janesville
- Median household income
- $103,542
- Median home value
- $221,700
- Median rent
- $717/mo
- Median age
- 47
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Map of Janesville
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Janesville Street View
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Open in Google Maps ›Janesville, IA population
Janesville had 1,034 residents in the 2020 Census.
| 2020 Census | 1,034 |
|---|---|
| Density | 744 per sq mi (287 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Janesville at a glance
| State | Iowa (IA) |
|---|---|
| County | Bremer County |
| Type | City |
| Population | 1,034 (2020) |
| Land area | 1.39 sq mi (3.6 km²) |
| Water area | 0.06 sq mi (0.15 km²) |
| Elevation | 906 ft (276 m) |
| Coordinates | 42.6458° N, 92.4624° W |
| ZIP code | 50647 |
| Census code (GEOID) | 1939405 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Janesville
- Waverly5.3 mi N
- Denver6.7 mi E
- Shell Rock7.9 mi NW
- Cedar Falls8.8 mi S
- New Hartford9.7 mi SW
- Waterloo12.0 mi SE
- Readlyn12.7 mi E
- Clarksville14.0 mi NW
- Plainfield14.2 mi N
- Hudson14.6 mi S
- Dike15.0 mi SW
- Stout15.1 mi SW
Straight-line distance between town centers.
Frequently asked questions about Janesville
What county is Janesville in?
Janesville is in Bremer County, Iowa.
What is the population of Janesville, IA?
1,034 people lived in Janesville at the 2020 Census.
What is the ZIP code of Janesville, IA?
The ZIP code of Janesville is 50647.
What is the elevation of Janesville?
906 feet (276 m) above sea level.
What towns are near Janesville?
Waverly (5.3 mi), Denver (6.7 mi), Shell Rock (7.9 mi), Cedar Falls (8.8 mi), New Hartford (9.7 mi).
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