Janesville, IA ZIP code
The ZIP code for Janesville, Iowa is 50647. It is in Bremer County.
- Population in these ZIPs
- 1,978
- Avg. median income
- $104,100population-weighted
- Typical home value
- $313,200population-weighted
- Metro area
- Waterloo-Cedar Falls, IA
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Janesville, IA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 50647 | 1,978 | $104,063 | $313,200 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Janesville
- Shell Rock 6 mi
- Denver 8 mi
- Waverly 9 mi
- New Hartford 9 mi
- Cedar Falls 12 mi
- Clarksville 13 mi
- Readlyn 14 mi
- Stout 14 mi
- Plainfield 14 mi
- Parkersburg 15 mi
- Tripoli 15 mi
- Dike 15 mi
Frequently asked questions
What is the ZIP code for Janesville, IA?
The ZIP code for Janesville, IA is 50647.
What county is Janesville, Iowa in?
Janesville ZIP codes are in Bremer County.