ZIP codes
10
Washington County, IL Demographics & ZIP Codes
Washington County, Illinois demographics and median household income by ZIP code — 10 ZIP codes — population 13,142 — avg. income $76,877 — avg. home value $131,000. Compare income, housing, and ZIP-level data on US5.
Population
13,142
Median household income (avg.)
$76,877
102% of U.S. median
Average home value
$131,000
38% of U.S. median
Average rent
$520
45% of U.S. median
Washington County demographics
Washington County, Illinois covers 10 ZIP codes, with a combined ZIP-area population of about 13,142.
Median household income in Washington County
The average median household income across ZIP codes in Washington County, Illinois is about $76,877 — about even with the IL ZIP average ($78,143), and about even with the U.S. median ($75,149).
Among ZIPs with income data, 62214 (Addieville) is near the top at about $102,222, while 62876 (Radom) is near the bottom at about $52,708.
Housing in Washington County
For housing in Washington County, Illinois, the average median home value is about $131,000 and the average median rent is about $520.
The most populous ZIP is 62263 (Nashville) with about 4,834 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 |
|---|---|---|---|---|---|---|
| 62263 | Nashville | Washington County | IL | 4,834 | $68,931 | $149,900 |
| 62271 | Okawville | Washington County | IL | 1,819 | $82,500 | $167,200 |
| 62808 | Ashley | Washington County | IL | 1,819 | $67,071 | $140,500 |
| 62803 | Hoyleton | Washington County | IL | 1,138 | $87,500 | $132,900 |
| 62214 | Addieville | Washington County | IL | 1,097 | $102,222 | $175,300 |
| 62268 | Oakdale | Washington County | IL | 922 | $86,389 | $130,000 |
| 62848 | Irvington | Washington County | IL | 587 | $70,556 | $89,500 |
| 62877 | Richview | Washington County | IL | 446 | $74,643 | $116,100 |
| 62831 | Du Bois | Washington County | IL | 345 | $76,250 | $131,900 |
| 62876 | Radom | Washington County | IL | 135 | $52,708 | $76,700 |
Frequently asked questions
What are the demographics of Washington County?
Washington County, Illinois has a combined ZIP-area population of about 13,142 across 10 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, Illinois is about $76,877, roughly in line with the state ZIP average ($78,143), and near the U.S. median ($75,149). Average median home value is about $131,000. Among ZIPs with data, 62214 (Addieville) is near the top ($102,222) and 62876 (Radom) is near the bottom ($52,708).
How many ZIP codes are in Washington County?
Washington County, Illinois includes 10 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, Illinois with population, median household income, and home value. Select a ZIP for a full demographics profile.