ZIP codes
7
Washington County, IA Demographics & ZIP Codes
Washington County, Iowa demographics and median household income by ZIP code — 7 ZIP codes — population 19,443 — avg. income $77,189 — avg. home value $179,029. Compare income, housing, and ZIP-level data on US5.
Population
19,443
Median household income (avg.)
$77,189
103% of U.S. median
Average home value
$179,029
51% of U.S. median
Average rent
$593
51% of U.S. median
Washington County demographics
Washington County, Iowa covers 7 ZIP codes, with a combined ZIP-area population of about 19,443.
Median household income in Washington County
The average median household income across ZIP codes in Washington County, Iowa is about $77,189 — about 4% above the IA ZIP average ($74,194), and about 3% above the U.S. median ($75,149).
Among ZIPs with income data, 52201 (Ainsworth) is near the top at about $98,945, while 52356 (Wellman) is near the bottom at about $54,659.
Housing in Washington County
For housing in Washington County, Iowa, the average median home value is about $179,029 and the average median rent is about $593.
The most populous ZIP is 52353 (Washington) with about 9,072 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Washington County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 52353 | Washington | Washington County | IA | 9,072 | $63,232 | $155,700 |
| 52327 | Riverside | Washington County | IA | 3,722 | $83,250 | $288,400 |
| 52356 | Wellman | Washington County | IA | 2,754 | $54,659 | $205,200 |
| 52248 | Keota | Washington County | IA | 1,572 | $77,143 | $154,600 |
| 52201 | Ainsworth | Washington County | IA | 1,359 | $98,945 | $181,800 |
| 52621 | Crawfordsville | Washington County | IA | 620 | $94,028 | $105,000 |
| 52359 | West Chester | Washington County | IA | 344 | $69,063 | $162,500 |
Frequently asked questions
What are the demographics of Washington County?
Washington County, Iowa has a combined ZIP-area population of about 19,443 across 7 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Washington County?
The average median household income across ZIP codes in Washington County, Iowa is about $77,189, about 4% above the state ZIP average ($74,194), and about 3% above the U.S. median ($75,149). Average median home value is about $179,029. Among ZIPs with data, 52201 (Ainsworth) is near the top ($98,945) and 52356 (Wellman) is near the bottom ($54,659).
How many ZIP codes are in Washington County?
Washington County, Iowa includes 7 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Washington County?
This page lists ZIP codes in Washington County, Iowa with population, median household income, and home value. Select a ZIP for a full demographics profile.