Cost of living in St. Clair County
Simple answer
A 2-bedroom fair-market rent is $1,349 a month.
That HUD number covers St. Clair County, Illinois, from October 2026 through September 2027. Towns in the county can still have different rents on the ground.
- Studio
- $1,064
- 1 bed
- $1,104
- 2 bed
- $1,349
- 3 bed
- $1,731
- 4 bed
- $1,997
This county is in the St. Louis, MO-IL area. BEA's 2024 price index there is 95.1 (U.S. = 100).
SNAP income limit in Illinois · Medicaid eligibility
Towns in this county
- Belleville · 41,370 people
- O'Fallon · 32,262 people
- East St. Louis · 17,999 people
- Cahokia Heights · 17,106 people
- Fairview Heights · 16,745 people
- Swansea · 14,710 people
- Shiloh · 14,572 people
- Mascoutah · 8,816 people
- Freeburg · 4,592 people
- Lebanon · 4,474 people
- Caseyville · 4,130 people
- Millstadt · 4,008 people
- Scott AFB · 3,957 people
- Dupo · 3,879 people
- Smithton · 3,680 people
- New Baden · 3,463 people
- Fairmont City · 2,492 people
- New Athens · 1,933 people
- Washington Park · 1,701 people
- Marissa · 1,232 people