Warren County, IL Demographics & ZIP Codes
Warren County, Illinois demographics and median household income by ZIP code — 8 ZIP codes — population 15,040 — avg. income $69,767 — avg. home value $93,300. Compare income, housing, and ZIP-level data on US5.
Warren County demographics
Warren County, Illinois covers 8 ZIP codes, with a combined ZIP-area population of about 15,040.
Median household income in Warren County
The average median household income across ZIP codes in Warren County, Illinois is about $69,767 — about 11% below the IL ZIP average ($78,143), and about 7% below the U.S. median ($75,149).
Among ZIPs with income data, 61447 (Kirkwood) is near the top at about $82,321, while 61423 (Cameron) is near the bottom at about $58,750.
Housing in Warren County
For housing in Warren County, Illinois, the average median home value is about $93,300 and the average median rent is about $565.
The most populous ZIP is 61462 (Monmouth) with about 10,640 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Warren County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 61462 | Monmouth | Warren County | IL | 10,640 | $62,190 | $100,900 |
| 61473 | Roseville | Warren County | IL | 1,269 | $63,125 | $97,000 |
| 61447 | Kirkwood | Warren County | IL | 1,053 | $82,321 | $96,200 |
| 61453 | Little York | Warren County | IL | 675 | $59,375 | $85,100 |
| 61423 | Cameron | Warren County | IL | 649 | $58,750 | $122,100 |
| 61478 | — | Warren County | IL | 397 | $80,577 | $73,800 |
| 61435 | — | Warren County | IL | 181 | — | — |
| 61417 | — | Warren County | IL | 176 | $82,031 | $78,000 |
Frequently asked questions
What are the demographics of Warren County?
Warren County, Illinois has a combined ZIP-area population of about 15,040 across 8 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Warren County?
The average median household income across ZIP codes in Warren County, Illinois is about $69,767, about 11% below the state ZIP average ($78,143), and about 7% below the U.S. median ($75,149). Average median home value is about $93,300. Among ZIPs with data, 61447 (Kirkwood) is near the top ($82,321) and 61423 (Cameron) is near the bottom ($58,750).
How many ZIP codes are in Warren County?
Warren County, Illinois includes 8 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Warren County?
This page lists ZIP codes in Warren County, Illinois with population, median household income, and home value. Select a ZIP for a full demographics profile.