Thayer is a village in Sangamon County, Illinois, United States. As of the 2020 census, Thayer had a population of 632. It is part of the Springfield, Illinois Metropolitan Statistical Area.

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

Town numbers

ZIP code62689

Area code217

Living in Thayer

Safety in Thayer

—

Not graded

Thayer has fewer than 1,000 residents. At that size one or two incidents swing the numbers so much that a grade wouldn't be fair, so we show the counts instead.

Violent0

Property0

Reported in 20250

FBI crime data, 2025 · crimes reported to policeCrime & safety →

Work & commute in Thayer

Full picture →

Most working residents leave Thayer for work: only 0% work in town. The top destinations are Springfield (46%), Auburn (9%) and Jacksonville (2%). Half commute less than 19 miles.

Springfield

46%

Auburn

Jacksonville

Auburn

0%Work in townlive and work in Thayer 19 miWhere do people commute?the commute map 15Jobs based herea commuter town

Census LEHD 2023 · ACSWork & commute in Thayer →

Health in Thayer

Compared with Illinois

7better than IL·2worse

of 32 measures CDC estimates. The other 23 are too close to call.

Conditions 2▼ 10 close Habits all close Care 3▲ 4 close Mind all close Everyday needs 4▲ 0 close

BetterToo close to callWorse

What stands out

10.4%Fewer adults facing food insecurityIL 15.9% · better 6.5%Fewer uninsured adultsIL 9.9% · better 9.4%More adults who have had cancerIL 7.6% · worse

Care nearby

Carlinville Area HospitalCarlinville · 19.1 mi · ER · rural critical access

Cchc Helping Hands Hch SiteSpringfield · 18.2 mi · sliding-scale fees

Primary careShortage · county-wide

DentalNo shortage

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Thayer · CMS · HRSAHealth in Thayer →

Natural hazards in Thayer

Moderate

Expected storm and flood damage is higher than in 57% of U.S. communities.

🌊 Inland flooding🌪️ Tornadoes🥶 Cold waves

1Does Thayer flood?paid flood claims since 2010 2Disasters that paid out herefederal disasters sent FEMA money to Thayer

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

Climate in Thayer

Full climate →

Thayer has chilly winters and warm summers. A typical July afternoon reaches 86°, a January night drops to 20°, and about 16 inches of snow falls in a normal winter.

39° / 23°Winter

64° / 43°Spring

85° / 64°Summer

66° / 44°Fall