Cities / Illinois / Decatur

Decatur, IL

70,975 people

Right Now

Air Quality (PM2.5, Decatur)

Good

Nearest reporting area, 1.4 mi away. Preliminary and may be revised. Source: EPA AirNow.

Active Weather Alerts

Nearest Major Airport

STL

107 mi — St. Louis Lambert International Airport

Population & People

Population

70,975

Median age

39.2

Median household income

$51,592

Poverty rate

19.4%

Unemployment rate

8.3%

Bachelor's degree+

21.6%

Avg. commute

16 min

Hispanic or Latino

3.3%

Source: U.S. Census Bureau, American Community Survey.

Housing & Rent

Median home value

$99,600

Median gross rent

$845/mo

Homeownership rate

62.9%

HUD FMR — 2 bedroom

$1,063

HUD Fair Market Rent (Illinois statewide average across 102 areas — not specific to Decatur), 2026. Efficiency $774, 1BR $854, 2BR $1063, 3BR $1370, 4BR $1561. This is a different official figure from Census median gross rent above.

Energy

Illinois commercial electricity

13.07¢/kWh

Illinois industrial electricity

10.14¢/kWh

Illinois residential electricity

17.69¢/kWh

Economy

Gross Domestic Product: All Industry Total

1201996.1

Real Gross Domestic Product: All Industry Total

913681.4

All-Transactions House Price Index for Illinois

565.87

Unemployment Rate

4.9%

Source: FRED, Illinois-specific series.

Nearby Airports

STL

St. Louis Lambert International Airport

107 mi away

IND

Indianapolis International Airport

142 mi away

MDW

Chicago Midway International Airport

148 mi away

Sources & Data: National Weather Service (weather, alerts), EPA AirNow (air quality), U.S. Census Bureau (population, housing), HUD (Fair Market Rent), U.S. Energy Information Administration (Illinois energy prices), Federal Reserve Bank of St. Louis (Illinois economic indicators), OurAirports (airport directory).