ZIP codes
9
Mahaska County, IA Demographics & ZIP Codes
Mahaska County, Iowa demographics and median household income by ZIP code — 9 ZIP codes — population 20,739 — avg. income $65,870 — avg. home value $131,156. Compare income, housing, and ZIP-level data on US5.
Population
20,739
Median household income (avg.)
$65,870
88% of U.S. median
Average home value
$131,156
38% of U.S. median
Average rent
$564
49% of U.S. median
Mahaska County demographics
Mahaska County, Iowa covers 9 ZIP codes, with a combined ZIP-area population of about 20,739.
Median household income in Mahaska County
The average median household income across ZIP codes in Mahaska County, Iowa is about $65,870 — about 11% below the IA ZIP average ($74,194), and about 12% below the U.S. median ($75,149).
Among ZIPs with income data, 50143 (Leighton) is near the top at about $84,630, while 50027 (Barnes City) is near the bottom at about $45,313.
Housing in Mahaska County
For housing in Mahaska County, Iowa, the average median home value is about $131,156 and the average median rent is about $564.
The most populous ZIP is 52577 (Oskaloosa) with about 14,336 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Mahaska County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 52577 | Oskaloosa | Mahaska County | IA | 14,336 | $65,589 | $143,700 |
| 50207 | New Sharon | Mahaska County | IA | 2,360 | $76,389 | $156,500 |
| 52561 | Fremont | Mahaska County | IA | 1,179 | $64,018 | $102,200 |
| 50143 | Leighton | Mahaska County | IA | 621 | $84,630 | $300,800 |
| 52595 | University Park | Mahaska County | IA | 607 | $63,125 | $88,900 |
| 52586 | Rose Hill | Mahaska County | IA | 558 | $56,250 | $107,100 |
| 52543 | — | Mahaska County | IA | 486 | $80,145 | $107,300 |
| 52534 | Beacon | Mahaska County | IA | 423 | $57,375 | $73,900 |
| 50027 | Barnes City | Mahaska County | IA | 169 | $45,313 | $100,000 |
Frequently asked questions
What are the demographics of Mahaska County?
Mahaska County, Iowa has a combined ZIP-area population of about 20,739 across 9 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Mahaska County?
The average median household income across ZIP codes in Mahaska County, Iowa is about $65,870, about 11% below the state ZIP average ($74,194), and about 12% below the U.S. median ($75,149). Average median home value is about $131,156. Among ZIPs with data, 50143 (Leighton) is near the top ($84,630) and 50027 (Barnes City) is near the bottom ($45,313).
How many ZIP codes are in Mahaska County?
Mahaska County, Iowa includes 9 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Mahaska County?
This page lists ZIP codes in Mahaska County, Iowa with population, median household income, and home value. Select a ZIP for a full demographics profile.