County
Average Rent in St. Clair County
St. Clair is a county in Illinois. It ranks #19 out of 75 for places to rent. St. Clair County is in
the congressional districts of
District 12, District 13 and the metropolitan area of
St. Louis, MO-IL MSA. Dwellsy has rental data for St. Clair County includes 17 cities and 20 zip codes with places to rent.The average rent over the last 3 months for places in St. Clair County is $1,327 which represents an increase of 1.66% over the same period.
The most expensive city in St. Clair County to rent places is Columbia, IL with an average rent of $3,500. The least expensive city in St. Clair County to rent places is Dupo, IL with an average rent of $766.
The most expensive zip code in St. Clair County to rent places is 62232 with an average rent of $2,800. The least expensive zip code in St. Clair County to rent places is 62239 with an average rent of $766.
Rental Price Comparison
The average rent for places in county St. Clair currently stands at $1,327.
In comparison, places in the largest city, specifically Belleville, is less expensive, with an average rent of $1,261. This represents a difference of -5% when compared to St. Clair.
Meanwhile, in the average state of Illinois, the average rent for the same type of housing is $1,843, showing a more expensive of +39% from our subject location.
On a national scale, the average rent for a similar places across the United States is $1,859. This constitutes a more expensive by +40% when compared to the rent in St. Clair.
$1,327
St. Clair
VS$1,261
-5%
Belleville, city
$1,843
+39%
IL, state
$1,859
+40%
USA, us
Average price for rental listings over the last 3 months. Last updated May 31 2026
Cities in St. Clair County
Columbia, IL$3,500
Caseyville, IL$2,800
Millstadt, IL$2,000
O Fallon, IL$1,713
Fairview Heights, IL$1,695
Smithton, IL$1,675
Mascoutah, IL$1,506
Cahokia, IL$1,331
Belleville, IL$1,261
East Saint Louis, IL$1,244
Swansea, IL$1,133
Collinsville, IL$1,105
Lebanon, IL$981
Madison, IL$925
Freeburg, IL$872
Marissa, IL$804
Dupo, IL$766