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Johnston City, IL Demographics & ZIP Codes
Johnston City, Illinois demographics and median household income by ZIP code (in Williamson County) — 1 ZIP codes — population 5,381 — median income $49,694 — avg. home value $89,600. Compare income, housing, and population across ZIP codes on US5.
Population
5,381
Median household income (avg.)
$49,694
66% of U.S. median
Average home value
$89,600
26% of U.S. median
Average rent
$730
63% of U.S. median
Median age (avg.)
51.4
Johnston City demographics
Johnston City, Illinois covers 1 ZIP code primarily in Williamson County, with a combined ZIP-area population of about 5,381.
Across ZIP codes with age data, the average median age is about 51.4 years.
Median household income in Johnston City
The average median household income across ZIP codes in Johnston City, Illinois is about $49,694 — about 36% below the IL ZIP average ($78,143), and about 34% below the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $49,694 in 62951.
Housing in Johnston City
For housing in Johnston City, Illinois, the average median home value is about $89,600 and the average median rent is about $730.
The most populous ZIP in this set is 62951 (about 5,381 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Johnston City
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 62951 | Johnston | Williamson County | IL | 5,381 | $49,694 | $89,600 |
Frequently asked questions
What are the demographics of Johnston City?
Johnston City, Illinois has a combined ZIP-area population of about 5,381 across 1 ZIP codes (primarily Williamson County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Johnston City?
The average median household income across ZIP codes in Johnston City, Illinois is about $49,694, about 36% below the state ZIP average ($78,143), and about 34% below the U.S. median ($75,149). Average median home value is about $89,600.
How many ZIP codes are in Johnston City?
Johnston 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 Johnston City?
This page lists ZIP codes in Johnston City, Illinois with population, median household income, and home value. Select a ZIP for a full demographics profile.