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Foster

A township of 3,867 people in Madison County, Illinois
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Now in Foster

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Around town

The places and views that make it Foster

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Outdoors in Foster

Parks & trails →
Conserved land0.2%40 of 19,648 acres
Trails4.0 mi0.1 mi per sq mi
Parks & preserves110 conserved acres per 1,000 residents

Know a trail or park that’s missing? Anyone can add it to OpenStreetMap, and it shows up here on the next refresh.

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

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Know Foster

The town at a glance, and the guide to how things work

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About Foster

Township in Illinois, United States
3,862Population
31.3 sq miArea
548 ftElevation

Foster Township is located in Madison County, Illinois, in the United States. As of the 2010 census, its population was 4,091 and it contained 1,663 housing units.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Living in Foster

Work & commute in Foster

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Most working residents leave Foster for work: only 1% work in town. The top destinations are Alton (15%), St. Louis (7%) and Edwardsville (6%). Half commute less than 17 miles.

Alton
15%
St. Louis, MO
7%
Edwardsville
6%
Godfrey
5%
Census LEHD 2023 · ACSWork & commute in Foster →

Health in Foster

C

Health Grade C

Healthier than 34% of U.S. towns on seven CDC estimates.

Compared with Illinois

1better than IL·13worse

of 32 measures CDC estimates. The other 18 are too close to call.

BetterToo close to callWorse

What stands out

Care nearby

Alton Memorial HospitalAlton · 5.7 mi · ER
Sihf Healthcare - Central AltonAlton · 5.2 mi · sliding-scale fees
Primary careShortage · part of Foster
DentalNo shortage
Mental healthShortage · county-wide
CDC PLACES 2025 · modeled estimates for adults · ZIP codes 62002, 62010, 62012 · CMS · HRSAHealth in Foster →

Natural hazards in Foster

53
Moderate

Expected storm and flood damage is higher than in 53% of U.S. communities.

🌊 Inland flooding🏚️ Earthquakes🌪️ Tornadoes
FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Foster →

Climate in Foster

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Foster has chilly winters and warm summers. A typical July afternoon reaches 87°, a January night drops to 22°, and about 11 inches of snow falls in a normal winter.

41° / 25°Winter
66° / 45°Spring
86° / 66°Summer
67° / 47°Fall
NOAA U.S. Climate Normals, 1991–2020Climate in Foster →

Libraries near Foster

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Nearest: Alton Square LibraryAlton · 4.9 miles · 74 hrs a week
Famous people from FosterWriters, athletes, leaders and more who were born in Foster.Meet them →

How things work in Foster

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The porch light’s on

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You’re in Foster, ILMadison CountyView boundary

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/15 · 2025-01-01