Clay County, IL Demographics & ZIP Codes
Clay County, Illinois demographics and median household income by ZIP code — 7 ZIP codes — population 14,101 — avg. income $58,081 — avg. home value $110,850. Compare income, housing, and ZIP-level data on US5.
Clay County demographics
Clay County, Illinois covers 7 ZIP codes, with a combined ZIP-area population of about 14,101.
Median household income in Clay County
The average median household income across ZIP codes in Clay County, Illinois is about $58,081 — about 26% below the IL ZIP average ($78,143), and about 23% below the U.S. median ($75,149).
Among ZIPs with income data, 62824 (Clay City) is near the top at about $70,670, while 62426 (Edgewood) is near the bottom at about $49,583.
Housing in Clay County
For housing in Clay County, Illinois, the average median home value is about $110,850 and the average median rent is about $456.
The most populous ZIP is 62839 (Flora) with about 6,215 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Clay County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 62839 | Flora | Clay County | IL | 6,215 | $54,241 | $90,800 |
| 62858 | Louisville | Clay County | IL | 3,385 | $62,480 | $106,800 |
| 62899 | Xenia | Clay County | IL | 1,782 | $53,596 | $135,800 |
| 62824 | Clay City | Clay County | IL | 1,595 | $70,670 | $83,700 |
| 62426 | Edgewood | Clay County | IL | 769 | $49,583 | $75,100 |
| 62434 | — | Clay County | IL | 330 | — | $172,900 |
| 62879 | Sailor Springs | Clay County | IL | 25 | $57,917 | — |
Frequently asked questions
What are the demographics of Clay County?
Clay County, Illinois has a combined ZIP-area population of about 14,101 across 7 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Clay County?
The average median household income across ZIP codes in Clay County, Illinois is about $58,081, about 26% below the state ZIP average ($78,143), and about 23% below the U.S. median ($75,149). Average median home value is about $110,850. Among ZIPs with data, 62824 (Clay City) is near the top ($70,670) and 62426 (Edgewood) is near the bottom ($49,583).
How many ZIP codes are in Clay County?
Clay County, Illinois 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 Clay County?
This page lists ZIP codes in Clay County, Illinois with population, median household income, and home value. Select a ZIP for a full demographics profile.