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Swansea, IL Demographics & ZIP Codes
Swansea, Illinois demographics and median household income by ZIP code (in St. Clair County) — 1 ZIP codes — population 28,543 — median income $66,018 — avg. home value $162,500. Compare income, housing, and population across ZIP codes on US5.
Population
28,543
Median household income (avg.)
$66,018
88% of U.S. median
Average home value
$162,500
47% of U.S. median
Average rent
$729
63% of U.S. median
Median age (avg.)
41.6
Swansea demographics
Swansea, Illinois covers 1 ZIP code primarily in St. Clair County, with a combined ZIP-area population of about 28,543.
Across ZIP codes with age data, the average median age is about 41.6 years.
Median household income in Swansea
The average median household income across ZIP codes in Swansea, Illinois is about $66,018 — about 16% below the IL ZIP average ($78,143), and about 12% below the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $66,018 in 62226.
Housing in Swansea
For housing in Swansea, Illinois, the average median home value is about $162,500 and the average median rent is about $729.
The most populous ZIP in this set is 62226 (about 28,543 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Swansea
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 62226 | Swansea | St. Clair County | IL | 28,543 | $66,018 | $162,500 |
Frequently asked questions
What are the demographics of Swansea?
Swansea, Illinois has a combined ZIP-area population of about 28,543 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 Swansea?
The average median household income across ZIP codes in Swansea, Illinois is about $66,018, about 16% below the state ZIP average ($78,143), and about 12% below the U.S. median ($75,149). Average median home value is about $162,500.
How many ZIP codes are in Swansea?
Swansea, 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 Swansea?
This page lists ZIP codes in Swansea, Illinois with population, median household income, and home value. Select a ZIP for a full demographics profile.