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Advertise here →Smithton, IL · Houses & Market Data
Smithton, Illinois houses and real estate market data.
Houses in Smithton, IL (St. Clair County) — Census median home value $251,600, county listing prices down about 23.6% over the past year. Market data for Smithton houses and the broader area.
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Smithton, IL is in St. Clair County, Illinois — this guide covers houses in Smithton and the whole local market: resale homes, condos, land, and new construction. The most recent Census estimate puts the population at 3,512, with a median household income of $114,453. Census data puts Smithton houses at a median value of $251,600 (all owner-occupied homes); St. Clair County's current median listing price runs $204,475, down about 23.6% over the past year.
Info from government sites and builders may have provided source info.
Market overview
Smithton housing market
Smithton is in St. Clair County, Illinois. Manifest Census and county price-trend data provide baseline context for houses in Smithton and the surrounding county market.
Median home value (Census ACS)
$251,600
Population (Census ACS)
3,512
Median household income
$114,453
County price trend (2025)
5.3% YoY
Population, income, and median home value from the project batch manifest (Census ACS 2023 5-year). County price trend from FHFA county HPI when present in the manifest row.
At a glance
Smithton market snapshot
Population
3,512
County
St. Clair County
Median Household Income
$114,453
Median Home Value (city)
$251,600
Median Listing Price (St. Clair County)
$204,475
Median Gross Rent
$857/mo
Price Trend (YoY)
-23.6%
Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. See About
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What makes Smithton different
Home Value, By Source
The Census Bureau's American Community Survey (2023 5-year estimate) puts Smithton's median home value — across all owner-occupied homes, not just recent sales — at $251,600. Separately, St. Clair County's current median listing price (via Realtor.com data, 2026-06-01) runs $204,475. These cover different geography (city vs. county) and different measures (assessed value vs. active listings), which is why we show both rather than picking one — full source list on our data sources page.
County Price Trend
St. Clair County's FHFA house price index shows a 5.3% annual change in 2025.
Population & Income
Smithton has an estimated population of 3,512 and a median household income of $114,453, per the Census Bureau's American Community Survey (2023 5-year estimate).
Affordability Snapshot
Smithton's Census-reported median home value works out to about 2.2x the area's median household income, and median gross rent runs roughly 9% of that same income on an annualized basis. Housing economists commonly flag a price-to-income ratio above 4x as historically elevated -- useful context, not a personal affordability verdict.
Nearby
Places around Smithton
County guide: St. Clair County — cities, market context, and local resources for the county that includes Smithton.
USAHouses.com also helps visitors looking in nearby St. Clair County and other Illinois communities. Some locations may not yet have dedicated pages, but many licensed professionals in this region assist surrounding communities.
Nearby communities include Freeburg, Floraville, Paderborn, Millstadt, Belleville, Rentchler, New Athens, Swansea, Shiloh, Fayetteville, Scott AFB, Fairview Heights, Mascoutah, Lenzburg, O'Fallon, Cahokia Heights.
Freeburg market data
Nearby city · ~4.3 mi
Floraville market data
Nearby city · ~4.5 mi
Paderborn market data
Nearby city · ~4.9 mi
Millstadt market data
Nearby city · ~6.0 mi
Belleville market data
Nearby city · ~7.0 mi
Rentchler market data
Nearby city · ~8.5 mi
New Athens market data
Nearby city · ~9.1 mi
Swansea market data
Nearby city · ~9.5 mi
Shiloh market data
Nearby city · ~10.2 mi
Fayetteville market data
Nearby city · ~10.8 mi
Scott AFB market data
Nearby city · ~11.6 mi
Fairview Heights market data
Nearby city · ~12.5 mi
Mascoutah market data
Nearby city · ~12.5 mi
Lenzburg market data
Nearby city · ~12.9 mi
O'Fallon market data
Nearby city · ~13.4 mi
Cahokia Heights market data
Nearby city · ~14.1 mi
More Illinois cities with market guides: Aurora, Joliet, Naperville, Rockford, Elgin, Springfield, Peoria, Waukegan.
Aurora market data
Same-state city guide
Joliet market data
Same-state city guide
Naperville market data
Same-state city guide
Rockford market data
Same-state city guide
Elgin market data
Same-state city guide
Springfield market data
Same-state city guide
Peoria market data
Same-state city guide
Waukegan market data
Same-state city guide
Adjacent-county Census places with USAHouses.com pages: Hecker (~7.6 mi), Waterloo (~10.2 mi), Columbia (~12.6 mi), Dupo (~14.2 mi), Red Bud (~14.3 mi), Fairmont City (~17.1 mi), New Baden (~17.5 mi), Baldwin (~17.8 mi), Collinsville (~18.1 mi), Maeystown (~18.3 mi), Valmeyer (~18.3 mi), Ruma (~19.6 mi), Madison (~19.7 mi), Venice (~20.3 mi), Fults (~21.1 mi), Trenton (~21.2 mi).
New construction: New homes near Smithton (Chicago) · Illinois new construction.
Census & home facts
Smithton data from published sources
Population (ACS 2023)
3,512
Median home value (ACS 2023)
$251,600
Median household income (ACS 2023)
$114,453
Median gross rent (ACS 2023)
$857
County FHFA annual change (2025)
5.3%
County median listing price (FRED/Realtor.com) (2026-06-01)
$204,475
Census place type
village
County
St. Clair County
Land area (Census Gazetteer 2024)
4.51 sq mi
Census GEOID
1770252
Census ACS, FHFA, and FRED figures are labeled with the year present in existing CSVs. Subject to change / confirm locally.
NewUSAHouses.com communities
Closest verified new-home communities near Smithton
Availability and pricing are controlled by the builder and may change; confirm with the builder.
Arapaho Village ↗
Champion Homes · Belleville, Illinois · ~7.0 mi
Langeneckert Farm Estates ↗
McBride Homes · Mehlville, Missouri · ~19.2 mi · from $460,000
Grove At Grants Trail Manors ↗
McBride Homes · Affton, Missouri · ~19.4 mi · from $370,000
Grove At Grants Trail Meadows ↗
McBride Homes · Affton, Missouri · ~19.5 mi · from $330,000
the Manors at Tesson Ridge ↗
Fischer Homes · St Louis, Missouri · ~20.6 mi
Local life
Life in Smithton
Schools
East St Louis SD 189 — 12 schools, 4,679 students enrolled, per the U.S. Department of Education's Common Core of Data. St. Clair addresses may be served by East St Louis SD 189, but attendance zones vary by street — confirm assigned schools with the district before making a move.
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Common questions
Smithton FAQ
What are houses worth in Smithton, IL?
The Census Bureau's American Community Survey puts the median value of houses in Smithton at $251,600. St. Clair County's current median listing price runs $204,475, down about 23.6% over the past year.
How much do houses cost in Smithton, IL?
For owner-occupied houses in Smithton, Census ACS data shows a median value of $251,600. Active listing prices in St. Clair County may differ — see the market snapshot above.
What types of houses are in Smithton, IL?
Smithton houses include resale single-family homes, condos, mobile homes, and small multi-unit buildings, plus new construction in surrounding St. Clair County communities where builders are active. The housing-stock section below uses Census ACS structure counts when available for this city.
What is the population of Smithton, IL?
The U.S. Census Bureau's American Community Survey (2023 5-year estimate) puts Smithton's population at approximately 3,512.
What's the median rent in Smithton, IL?
The Census ACS estimates median gross rent in Smithton at approximately $857 per month.
What is the median household income in Smithton, IL?
Census ACS data puts the median household income in Smithton at approximately $114,453.
Is the Smithton housing market growing?
St. Clair County's FHFA house price index shows a 5.3% annual change in 2025.
Is Smithton, IL affordable relative to income?
Census ACS data puts Smithton's median home value at about 2.2 times the median household income, with median gross rent equal to roughly 9% of that income annually. This is a general benchmark, not a personal pre-qualification -- your own income, debt, and down payment determine what you can actually afford.
What school district serves Smithton, IL?
Manifest and public school-directory data suggest East St Louis SD 189 for many Smithton addresses, but attendance zones vary by street — verify your assigned schools with the district before making a move.
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