Swansea IL
97 active listings out of 5.7K total properties we track across 6 Swansea ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
While you're here, take in the bigger picture — maps below show Illinois (statewide), not just Swansea. Same company, same dataset, different resolution.
Inventory breakdown
Distribution of the 97 currently-active listings in Swansea, IL. Full dataset covers 5.7K properties — listings, off-market homes, rentals, and full history.
ZIP codes in Swansea
Drill into any ZIP for hex-level breakdowns.
Nearby cities
Other Illinois cities within driving distance.
Get Swansea, IL data in your app
GET https://api.straply.com/v1/markets/city/swansea-il
Authorization: Bearer $STRAPLY_KEY{
"city": "swansea-il",
"total_tracked": 5739,
"active": 97,
"median_list": 319900
}Swansea, IL real estate: market summary
As of April 2026, Straply tracks 5,739 homes in Swansea, IL, with 97 active for sale at a median list price of $319,900 (~$202/sq ft). Notably, the market is cooling — the median sale price is down 16% year over year.
- Median list price
- $319,900
- Median $/sq ft
- $202
- Active listings
- 97
- Median sale price
- $185,000 (-16% YoY)
- Properties tracked
- 5,739
Frequently asked: Swansea, IL real estate
What is the median home price in Swansea?
The median list price in Swansea, IL is $319,900 (about $202 per square foot), based on 97 active listings tracked by Straply as of April 2026.
What price range are homes in Swansea?
Active listings in Swansea, IL concentrate in: 56% $300k–$500k and 36% under $300k.
Are home prices in Swansea going up or down?
The median sale price is $185,000, down 16% year over year. Straply tracked 199 sales here over the past 12 months.
How many homes are for sale in Swansea?
Straply is tracking 97 active listings in Swansea, IL out of 5,739 properties on record as of April 2026.
How old are the homes in Swansea?
Most homes in Swansea, IL were built in the 2000s. About 59% were built after 1980, while 7% predate 1940. The newest tracked home dates to 2026.
What types of homes are in Swansea?
Swansea, IL is mostly single-family homes (96% of listings).
How many bedrooms do homes in Swansea typically have?
The most common size in Swansea, IL is 2 bd.
What areas are near Swansea?
Nearby markets Straply also tracks include Belleville, Fairview Heights, O Fallon, Caseyville.
Data as of April 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.