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Swansea, IL
Full City Profile · Illinois · St. Clair County County
3.7
/5.0
B+
Good
14,603
Population
2,254/sq mi density
$84,367
Median Income
$44,262 per capita
$211,700
Home Value
$256,641 Zillow
$1,178
Median Rent
24.6% income on rent
58°F
Avg Temperature
293 sunny days/yr
149
Violent Crime/100K
1,608 property/100K
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$84,367 median income, 3.1% unemployment
A+
Affordability
5.0 / 5.0
$211,700 home value, $1,178/mo rent
F
Safety
1.0 / 5.0
149 violent crimes/100K
A
Education
4.4 / 5.0
43.1% bachelor's degree or higher
Housing Overview
Median Home Value
$211,700
25% below
US avg: $281,900
Median Rent
$1,178/mo
1% above
US avg: $1,163/mo
Homeownership Rate
75.3%
15% above US avg (65.4%)
Total Housing Units
6,058
Median year built: 1992
Home Value by Source
Census Median
$211,700
Zillow (ZHVI)
$256,641
Median Sale Price
$220,000
Median List Price
$276,500
Census ACS, Zillow ZHVI, Redfin median sale price
Ownership vs. Renting
75.3%
Owner-Occupied
24.7%
Renter-Occupied
US avg: 65.4% owner-occupied
Fair Market Rents (HUD FY2026)
Studio
$774/mo
1 Bedroom
$854/mo
2 Bedroom
$1,063/mo
3 Bedroom
$1,370/mo
4 Bedroom
$1,561/mo
Census median rent:
$1,178/mo
· Zillow rent:
$1,396/mo
Market Indicators (Redfin)
Median Days on Market
43 days
Sale-to-List Ratio
0.9%
Buyers market
Homes Sold
10
Price Drops
6.1%
of listings with price reduction
Price Per Sq Ft
$122
Active Inventory
66
homes for sale
Affordability & Housing Stock
Rent Burden
24.6%
of renters spending 30%+ of income on housing
21% below US avg (31.0%)
Median Year Built
1992
Average age of housing stock: 34 years
Homeownership Rate
75.3%
Complete Housing Data
Home Values
| Census Median Value | $211,700 |
| Zillow Home Value (ZHVI) | $256,641 |
| Median Sale Price | $220,000 |
| Median List Price | $276,500 |
| Price Per Sq Ft | $122 |
Rent
| Census Median Rent | $1,178 |
| Zillow Rent (ZORI) | $1,396 |
| FMR Studio | $774 |
| FMR 1-Bedroom | $854 |
| FMR 2-Bedroom | $1,063 |
| FMR 3-Bedroom | $1,370 |
| FMR 4-Bedroom | $1,561 |
Market
| Days on Market | 43 |
| Sale-to-List Ratio | 0.9% |
| Price Drops | 6.1% |
| Homes Sold | 10 |
| Active Inventory | 66 |
| Price Per Sq Ft | $122 |
Ownership & Stock
| Owner-Occupied | 75.3% |
| Renter-Occupied | 24.7% |
| Homeownership Rate | 75.3% |
| Total Housing Units | 6,058 |
| Median Year Built | 1992 |
| Rent Burden | 24.6% |