Mason County, IL Demographics & ZIP Codes
Mason County, Illinois demographics and median household income by ZIP code — 8 ZIP codes — population 10,994 — avg. income $60,285 — avg. home value $101,650. Compare income, housing, and ZIP-level data on US5.
Mason County demographics
Mason County, Illinois covers 8 ZIP codes, with a combined ZIP-area population of about 10,994.
Median household income in Mason County
The average median household income across ZIP codes in Mason County, Illinois is about $60,285 — about 23% below the IL ZIP average ($78,143), and about 20% below the U.S. median ($75,149).
Among ZIPs with income data, 62664 (Mason City) is near the top at about $71,012, while 62655 (Kilbourne) is near the bottom at about $51,458.
Housing in Mason County
For housing in Mason County, Illinois, the average median home value is about $101,650 and the average median rent is about $548.
The most populous ZIP is 62644 (Havana) with about 4,657 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Mason County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 62644 | Havana | Mason County | IL | 4,657 | $57,076 | $104,700 |
| 62664 | Mason City | Mason County | IL | 2,848 | $71,012 | $102,900 |
| 62682 | San Jose | Mason County | IL | 745 | $70,625 | $74,400 |
| 62655 | Kilbourne | Mason County | IL | 648 | $51,458 | $116,300 |
| 62633 | Easton | Mason County | IL | 609 | $53,958 | $92,800 |
| 62617 | Bath | Mason County | IL | 542 | $56,250 | $78,800 |
| 61567 | Goofy Ridge | Mason County | IL | 541 | $69,042 | $133,000 |
| 61532 | Forest City | Mason County | IL | 404 | $52,857 | $110,300 |
Frequently asked questions
What are the demographics of Mason County?
Mason County, Illinois has a combined ZIP-area population of about 10,994 across 8 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Mason County?
The average median household income across ZIP codes in Mason County, Illinois is about $60,285, about 23% below the state ZIP average ($78,143), and about 20% below the U.S. median ($75,149). Average median home value is about $101,650. Among ZIPs with data, 62664 (Mason City) is near the top ($71,012) and 62655 (Kilbourne) is near the bottom ($51,458).
How many ZIP codes are in Mason County?
Mason 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 Mason County?
This page lists ZIP codes in Mason County, Illinois with population, median household income, and home value. Select a ZIP for a full demographics profile.