ZIP codes
8
Monroe County, IL Demographics & ZIP Codes
Monroe County, Illinois demographics and median household income by ZIP code — 8 ZIP codes — population 41,635 — avg. income $111,981 — avg. home value $215,975. Compare income, housing, and ZIP-level data on US5.
Population
41,635
Median household income (avg.)
$111,981
149% of U.S. median
Average home value
$215,975
62% of U.S. median
Average rent
$767
66% of U.S. median
Monroe County demographics
Monroe County, Illinois covers 8 ZIP codes, with a combined ZIP-area population of about 41,635.
Median household income in Monroe County
The average median household income across ZIP codes in Monroe County, Illinois is about $111,981 — about 43% above the IL ZIP average ($78,143), and about 49% above the U.S. median ($75,149).
Among ZIPs with income data, 62279 is near the top at about $245,179, while 62295 (Valmeyer) is near the bottom at about $76,563.
Housing in Monroe County
For housing in Monroe County, Illinois, the average median home value is about $215,975 and the average median rent is about $767.
The most populous ZIP is 62298 (Waterloo) with about 17,907 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Monroe County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 62298 | Waterloo | Monroe County | IL | 17,907 | $94,073 | $263,200 |
| 62236 | Columbia | Monroe County | IL | 14,175 | $112,070 | $300,300 |
| 62278 | Red Bud | Monroe County | IL | 6,425 | $85,017 | $181,500 |
| 62295 | Valmeyer | Monroe County | IL | 1,310 | $76,563 | $196,500 |
| 62244 | Maeystown | Monroe County | IL | 1,155 | $115,183 | $207,000 |
| 62248 | Hecker | Monroe County | IL | 556 | $80,260 | $153,700 |
| 62279 | — | Monroe County | IL | 69 | $245,179 | $271,400 |
| 62256 | Maeystown | Monroe County | IL | 38 | $87,500 | $154,200 |
Frequently asked questions
What are the demographics of Monroe County?
Monroe County, Illinois has a combined ZIP-area population of about 41,635 across 8 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Monroe County?
The average median household income across ZIP codes in Monroe County, Illinois is about $111,981, about 43% above the state ZIP average ($78,143), and about 49% above the U.S. median ($75,149). Average median home value is about $215,975. Among ZIPs with data, 62279 is near the top ($245,179) and 62295 (Valmeyer) is near the bottom ($76,563).
How many ZIP codes are in Monroe County?
Monroe 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 Monroe County?
This page lists ZIP codes in Monroe County, Illinois with population, median household income, and home value. Select a ZIP for a full demographics profile.