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Fairmont City, IL Demographics & ZIP Codes
Fairmont City, Illinois demographics and median household income by ZIP code (in St. Clair County) — 1 ZIP codes — population 5,017 — median income $21,658 — avg. home value $56,100. Compare income, housing, and population across ZIP codes on US5.
Population
5,017
Median household income (avg.)
$21,658
29% of U.S. median
Average home value
$56,100
16% of U.S. median
Average rent
$254
22% of U.S. median
Median age (avg.)
42.3
Fairmont City demographics
Fairmont City, Illinois covers 1 ZIP code primarily in St. Clair County, with a combined ZIP-area population of about 5,017.
Across ZIP codes with age data, the average median age is about 42.3 years.
Median household income in Fairmont City
The average median household income across ZIP codes in Fairmont City, Illinois is about $21,658 — about 72% below the IL ZIP average ($78,143), and about 71% below the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $21,658 in 62201.
Housing in Fairmont City
For housing in Fairmont City, Illinois, the average median home value is about $56,100 and the average median rent is about $254.
The most populous ZIP in this set is 62201 (about 5,017 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Fairmont City
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 62201 | Fairmont | St. Clair County | IL | 5,017 | $21,658 | $56,100 |
Frequently asked questions
What are the demographics of Fairmont City?
Fairmont City, Illinois has a combined ZIP-area population of about 5,017 across 1 ZIP codes (primarily St. Clair County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Fairmont City?
The average median household income across ZIP codes in Fairmont City, Illinois is about $21,658, about 72% below the state ZIP average ($78,143), and about 71% below the U.S. median ($75,149). Average median home value is about $56,100.
How many ZIP codes are in Fairmont City?
Fairmont City, Illinois includes 1 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Fairmont City?
This page lists ZIP codes in Fairmont City, Illinois with population, median household income, and home value. Select a ZIP for a full demographics profile.