The story of this market
The typical home in St. Clair County, Illinois sells for about $239,464, or $127 per square foot.
Prices are up +10.9% from a year ago, so sellers still have some momentum. Homes take about 53 days to sell. Over the long run, values in this county have grown 82% since 2000. Last year 35 of 50 neighborhoods saw prices rise, so the story isn't the same street to street. The biggest natural hazard here is heat wave, which FEMA rates relatively high. HUD's fair market rent for a two-bedroom is $1,349 a month.
HUD sets the fair market rent for a 2-bedroom at $1,349 a month. FEMA's National Risk Index rates overall hazard risk here as Relatively Moderate.
Price climate
Every year of price change, 2000–2025
+4%
2025
Each stripe is one year's median price change across the area's census tracts (FHFA repeat-sales index). Deep blue is a strong gain year, red a falling year. Best: 2022 (+13.3%). Worst: 2012 (-2.9%). Hover to read a year.
Monthly price momentum
Home values since 2015
+5.4%
IL · past 12 months
Freddie Mac House Price Index, single-family homes, monthly through 2026-08. Each line starts at 100 in January 2015, so a reading of 180 means prices are up 80% since then.
Rent benchmark
Fair market rent by size
$1,731
3-bed / month
HUD Fair Market Rents, fiscal 2027, for this county. A typical rent for a modest unit, used to set housing-voucher payments.
Neighborhood price trend
Long-run price trend, 2000–2025
+4%
2025 change
FHFA repeat-sales index, median of 50 census tracts in this county (2000 = 100). Bars are each year's median change.
Natural hazard exposure
The area's risk shape
73
Relatively Moderate
FEMA National Risk Index. Each spoke is a hazard ranked nationally, where 100 is the most exposed. Expected annual loss: $174,579,309.
Mortgage activity
Home lending in this county
79.5%
2019 approval rate
| Year | Applications | Loans made | Approval | Investor share | Median home value |
|---|---|---|---|---|---|
| 2018 | 10750 | 5458 | 76.2% | 7.7% | $115,000 |
| 2019 | 12328▲ | 6388▲ | 79.5%▲ | 7% | $130,000▲ |
CFPB Home Mortgage Disclosure Act records: every mortgage application reported by lenders for homes in this county. Approval rate is approved ÷ decided (withdrawn and incomplete files excluded). Investor share and home value are the median census tract.
St. Clair County, Illinois
St. Clair County is experiencing a period of price appreciation with a 10.9% year-over-year increase in median sale prices. While inventory levels remain relatively tight, the market shows signs of stability with a healthy sale-to-list ratio of 99.2%.
No ARED distress-ledger coverage for this county yet — the foreclosure ingest rotates the national county directory, and filings appear here once the county's posted notices are read. Key-figure check: median price corroborated by the prior refresh cycle (within 12.5%).
Select a city to expand its ZIP intel reports beneath · 1 city · 1 ZIP report
Median prices moved up 2.0% year over year.
Homes spend a median of 46 days on market with 0.0 months of supply — a fast-moving market.
38% of listings have cut prices · homes sell at 100.3% of asking — demand is holding steady.
no recorded foreclosure-ledger notices (0.0 per 10,000 residents) · unemployment 5.2% · poverty 12.8% — a stable, low-distress profile.
Owned and leased federal assets with active or excess status, per the General Services Administration's Real Estate Across the United States inventory (read 2026-09-25). A federal footprint read on this county — not a market valuation, and never an attribute of any individual property or tenant.
Deterministic aggregate of 3 researched ZIP reports — sales_count-weighted (population fallback); per point, children lacking the value or its weight are excluded. Tax rates, sentiment and context notes are tier-native and never roll.
No researched properties in this county yet — the property base layer populates as property research runs, and each property feeds its ZIP's roll-up.
researched Oct 8
| 62269 | O Fallon | $330,902 | $161 | -2.5% | 47 | 100.1% | — | — | 148 | $1,750 | researched Oct 8 |
Figures are each ZIP report's own latest research — the county roll-up aggregates them sales_count-weighted (population fallback); ZIPs cycle quarterly.
Composed from the ARED governance burden registry — tier-native tax structure (state + county + city + special districts), never averaged. State (Illinois) — Property Tax Assessment (Fair Cash Value): Property is assessed at 33 1/3% of its fair cash value. The tax bill is calculated by multiplying the equalized assessed value (EAV) by the aggregate tax rate of the local taxing districts.
Data retrieved from data.census.gov
Sellers must provide a written disclosure report to prospective buyers detailing material defects in the property as defined by 765 ILCS 77/35.
765 ILCS 77/1 et seq.
Property is assessed at 33 1/3% of its fair cash value. The tax bill is calculated by multiplying the equalized assessed value (EAV) by the aggregate tax rate of the local taxing districts. Exemptions, such as the homestead exemption, reduce the EAV before the tax rate is applied.
35 ILCS 200/9-145
Governance registry — every jurisdiction re-researches on a rolling 90-day cycle. Property reports compose these inherited burdens into a per-parcel ledger with conditional determinations. Informational only — not legal advice.