Janesville, IA ZIP Codes
One ZIP code serves Janesville, Iowa: 50647. Together they are home to 1,978 residents in 799 households. That is more than the 917 people counted inside Janesville city limits, because these ZIP codes reach past its boundary.
Janesville city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 917 |
| Households | 361 |
| Median household income | $103,542 |
| Median home value | $221,700 |
| Median age | 47 |
| Median rent | $717 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 1,978 |
| Households (sum of ZIP codes) | 799 |
| Median household income, range across ZIP codes | $104,063 (50647) to $104,063 (50647) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $104,063 |
| Homeowners | 94.7% |
| Households with kids under 18 | 27.0% |
| Moved in the past year | 3.2% |
| Carrier routes in EDDM2GO's route library | not loaded yet |
Every ZIP code in Janesville
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 50647 | Janesville | 1,978 | 799 | $104,063 | $314,200 | 94.7% | 27.0% | 3.2% | — | — | 5% of its land; mailing city |
A ZIP code is listed for Janesville when at least 10% of its land lies inside Janesville city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Janesville. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Janesville.
Counties
- Bremer County — 10 ZIP codes
Price a mailing to Janesville ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Janesville, IA?
- 50647. A ZIP code is listed for Janesville when at least 10% of its land lies inside Janesville city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Janesville.
- What is the population of Janesville, IA?
- The Census Bureau counts 917 residents inside Janesville city limits (ACS 2020–2024). The 1 ZIP code that serve Janesville hold 1,978 residents in all.
- What is the median household income in Janesville, IA?
- $103,542 inside Janesville city limits, per the Census Bureau. Across its ZIP codes the medians run from $104,063 to $104,063.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.