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Janesville, IA Demographics & ZIP Codes
Janesville, Iowa demographics and median household income by ZIP code (in Bremer County) — 1 ZIP codes — population 2,073 — median income $98,052 — avg. home value $278,200. Compare income, housing, and population across ZIP codes on US5.
Population
2,073
Median household income (avg.)
$98,052
130% of U.S. median
Average home value
$278,200
80% of U.S. median
Average rent
$475
41% of U.S. median
Median age (avg.)
48.1
Janesville demographics
Janesville, Iowa covers 1 ZIP code primarily in Bremer County, with a combined ZIP-area population of about 2,073.
Across ZIP codes with age data, the average median age is about 48.1 years.
Median household income in Janesville
The average median household income across ZIP codes in Janesville, Iowa is about $98,052 — about 32% above the IA ZIP average ($74,194), and about 30% above the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $98,052 in 50647.
Housing in Janesville
For housing in Janesville, Iowa, the average median home value is about $278,200 and the average median rent is about $475.
The most populous ZIP in this set is 50647 (about 2,073 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Janesville
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 50647 | Janesville | Bremer County | IA | 2,073 | $98,052 | $278,200 |
Frequently asked questions
What are the demographics of Janesville?
Janesville, Iowa has a combined ZIP-area population of about 2,073 across 1 ZIP codes (primarily Bremer County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Janesville?
The average median household income across ZIP codes in Janesville, Iowa is about $98,052, about 32% above the state ZIP average ($74,194), and about 30% above the U.S. median ($75,149). Average median home value is about $278,200.
How many ZIP codes are in Janesville?
Janesville, Iowa includes 1 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Janesville?
This page lists ZIP codes in Janesville, Iowa with population, median household income, and home value. Select a ZIP for a full demographics profile.