St. Clair County
IL · Pop. 254,777 · Mixed County
St. Clair County, Illinois covers 658 square miles with a population of 254,777 and a density of 387.2 people per square mile, a more developed setting where truly rural parcels are scarcer. The agricultural economy is rated strong, built on soybeans, corn, wheat. A median home price of $169,000 and an effective property tax rate of 2.09% set the cost of entry. The climate sits in USDA hardiness zone 7a with a 185-day growing season, average summer highs of 89.2°F and average winter lows of 25.3°F. Annual rainfall averages 41.7 inches, and with drought risk rated very high, water storage and irrigation planning matter. Metro-East Services Inc - Dba Memorial Hospital East is 7.3 miles away and includes an emergency room. Broadband reaches 94.5% of homes. On the hazard side, flood risk is very high, tornado risk is very high, drought risk is very high, so plan infrastructure and insurance accordingly.
Pros
- A long 185-day growing season in USDA zone 7a supports a wide range of crops and multiple plantings.
- A median home price of $169,000 makes land and property relatively affordable.
- Broadband reaches 94.5% of homes, making remote work and online farm sales realistic.
- Metro-East Services Inc - Dba Memorial Hospital East, with an emergency room, is just 7.3 miles away — strong local healthcare access.
- A strong agricultural economy built on soybeans, corn, wheat means local markets, equipment, and know-how are in place.
Cons
- Tornado risk is very high, so a storm shelter and wind-resistant structures are practical necessities.
- Flood risk is very high, so careful parcel siting and flood insurance are essential.
- Drought risk is very high, making water storage and irrigation infrastructure essential rather than optional.
- An effective property tax rate of 2.09% is on the higher side and adds to annual carrying costs.
- At 387.2 people per square mile, this is a developed area where finding truly rural acreage is harder and pricier.
At a glance
St. Clair County, IL is a challenging place to homestead on the data.
- Homestead score
- 31/100
- Median home price
- $169k
- Property tax
- 2.09%
- Growing season
- 185 days (zone 7a)
- Annual rainfall
- 41.7"
- Broadband
- 94.5%
- Nearest hospital
- Metro-East Services Inc - Dba Memorial Hospital East, 7.3 mi
Taxes & Cost of Living
Land & Building
Climate & Growing
Natural Disaster Risk
Healthcare
Infrastructure & Community
Business & Employment
Homesteading in St. Clair County: FAQ
- What is the growing season like in St. Clair County?
- St. Clair County is in USDA hardiness zone 7a with a 185-day growing season, average summer highs of 89.2°F, and average winter lows of 25.3°F. The established crops are soybeans, corn, wheat.
- How affordable is land and property here?
- The median home price is $169,000 and the effective property tax rate is 2.09%. County-level per-acre prices aren't published, so compare current local listings for raw land.
- Is broadband internet available?
- Broadband reaches 94.5% of homes, strong coverage that supports remote work for most parcels.
- How close is healthcare?
- Metro-East Services Inc - Dba Memorial Hospital East is 7.3 miles away and includes an emergency room; there are 4 hospitals in the county.
Explore Illinois Resources
Partner links — we may earn a commission at no extra cost to you
LandWatch
Browse rural land, farms, and ranches for sale across every state.
Lands of America
The largest listing site for rural property — farms, ranches, hunting land, and timberland.
AcreTrader
Invest in farmland online — vetted properties with passive income potential.
More counties in Illinois
All Illinois countiesNearby counties
The closest counties to St. Clair County by distance, including across state lines.
Data sources
Verified
Figures are sourced from public datasets: U.S. Census Bureau — ACS 5-year & Gazetteer, USDA NASS Census of Agriculture, USDA Plant Hardiness Zone Map, NOAA NCEI U.S. Climate Normals (1991–2020), FEMA National Risk Index, FCC Broadband Data Collection, BLS Local Area Unemployment Statistics, HIFLD Hospitals. Always confirm specifics locally before relying on them. See our methodology for how the homestead score is calculated.
Your brand here — Reach our audience of professional directory owners and boost your sales.