Chatham is a village in Sangamon County, Illinois, United States. It is located 2.8 miles (4.5 km) south of Springfield. The population was 11,500 as of the 2010 census and 14,377 as of 2020. The village lies along the original alignment of historic U.S. Route 66 (Illinois Route 4). Chatham is part of the Springfield, Illinois Metropolitan Statistical Area.

Official town website ↗

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

How Chatham ranks

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#22Fastest growing in IL #85Fewest uninsured in IL #92Most active in IL All IL rankings →

Town numbers

ZIP code62629

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Living in Chatham

Housing in Chatham

$309K▲ 6.9% in a year Typical home value · Zillow

The typical Chatham home is worth about $309,000, up 6.9% in a year, close to the Illinois typical home.

Zillow Home Value Index · Redfin Data CenterHousing market →

Work & commute in Chatham

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Most working residents leave Chatham for work: only 3% work in town. The top destinations are Springfield (61%), Chatham (4%) and Chicago (2%). Half commute less than 9 miles.

Springfield

61%

Chatham

Chicago

Decatur

3%Work in townlive and work in Chatham 9 miWhere do people commute?the commute map 1,151Jobs based herea commuter town

Census LEHD 2023 · ACSWork & commute in Chatham →

Health in Chatham

A⁻

Health Grade A−

Healthier than 82% of U.S. towns on seven CDC estimates.

Compared with Illinois

11better than IL·1worse

of 32 measures CDC estimates. The other 20 are too close to call.

Conditions 2▲ 1▼ 9 close Habits 1▲ 3 close Care 3▲ 4 close Mind 1▲ 4 close Everyday needs 4▲ 0 close

BetterToo close to callWorse

What stands out

5.6%Fewer uninsured adultsIL 9.9% · better 9.2%Fewer adults facing food insecurityIL 15.9% · better 8.8%More adults who have had cancerIL 7.6% · worse

Care nearby

Memorial Medical CenterSpringfield · 11.5 mi · ER

Cchc Helping Hands Hch SiteSpringfield · 11.2 mi · sliding-scale fees

Primary careShortage · county-wide

DentalNo shortage

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · ZIP codes 62629, 62661, 62615 · CMS · HRSAHealth in Chatham →

Natural hazards in Chatham

Moderate

Expected storm and flood damage is higher than in 59% of U.S. communities.

🌊 Inland flooding🌪️ Tornadoes🥶 Cold waves

24Does Chatham flood?paid flood claims since 1982 1Disasters that paid out herefederal disaster sent FEMA money to Chatham MapChatham vs. its neighborsnearby towns shaded by rating

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Chatham →

Climate in Chatham

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Chatham has chilly winters and warm summers. A typical July afternoon reaches 86°, a January night drops to 20°, and about 22 inches of snow falls in a normal winter.

39° / 23°Winter

64° / 43°Spring

85° / 63°Summer

66° / 44°Fall

How much snow does Chatham get?About 22 inches a winter.Rain & snow →When is the first frost?Around Oct 20, with the last in spring around Apr 14.Frost dates →Is it warmer than it used to be?+0.9° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Chatham →

Schools in Chatham

All Chatham schools →

B⁺

School Grade B+

The public schools Chatham’s kids attend, from kindergarten through graduation, outperform 65% of Illinois’s districts on state tests and graduation. Among towns with similar incomes, they rank near the top.

#102Best public schoolsof 384 in IL

DistrictBall Chatham CUSD 5Schools1

Chatham Elem School B+Elementary · Grades K–4 · 500 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within IL. Ratings are from neighbors.