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The median home value in Swansea, IL is $265,311, up 1.29% from a year earlier.
City housing-data period: September 2026. City source retrieval/check time (UTC) is recorded in the feed's updated field when available, not in the housing-data period.
Checked daily for new monthly Zillow releases, not new daily prices. Income and crime data are updated separately, not by the daily housing-data check. Unavailable means observation dates are missing or invalid.
Median Home Value
$265,311
Year-over-Year
+1.29%
Population
14,515
The typical home value decreased by 0.8%, from $267,501 in May 2026 to $265,311 in Sep 2026.
Monthly Zillow Home Value Index snapshots retained by HomePriceMap. A short history is shown now and grows automatically as each new monthly release arrives.
| Month | Typical home value | Year-over-year change |
|---|---|---|
| May 2026 | $267,501 | +1.8% |
| Jun 2026 | $271,720 | +1.5% |
| Jul 2026 | $272,237 | +1.5% |
| Aug 2026 | $268,692 | +1.5% |
| Sep 2026 | $265,311 | +1.3% |
Swansea ranks #177 of 279 Illinois cities tracked here by median home value, and sits 15.9% below the state's city median of $315,610. It sits in Saint Clair County, where the county-wide median is $177,682.
Swansea police recorded a violent crime rate of 41 per 100,000 residents in 2024 — lower than most cities that report to the FBI. Property crime runs at 744 per 100,000.
Reported by the city's own police department to the FBI's Uniform Crime Reporting Program (what this covers).
People often call this an average home price, but the figure shown here is Zillow's typical home value (ZHVI), not a simple arithmetic average. In Swansea, that value is $265,311. That's up 1.29% from a year earlier. It is about 15.9% below the typical Illinois city tracked here.
Homes in Swansea are more expensive than Saint Clair County as a whole, where the median is $177,682 — a difference of about 49.3%.
Swansea police reported 41 violent crimes per 100,000 residents, covering a population of about 14,515. Crime rates are one input among many — they vary block to block within a city, and this figure is a citywide average.