Elwin, Illinois
Census-designated place
Elwin Show map of Illinois Elwin Show map of the United States
Coordinates: 39°51′6″N 88°56′39″W / 39.85167°N 88.94417°W / 39.85167; -88.94417
Country	United States
State	Illinois
County	Macon
Township	South Wheatland
Area [1]
• Total	0.83 sq mi (2.16 km2)
• Land	0.83 sq mi (2.16 km2)
• Water	0.00 sq mi (0.00 km2)
Elevation	712 ft (217 m)
Population  (2020)[2]
• Total	119
• Density	142.86/sq mi (55.18/km2)
Time zone	UTC-6 (Central (CST))
• Summer (DST)	UTC-5 (CDT)
ZIP Code	62532
FIPS code	17-23919
GNIS feature ID	407975[3]

Elwin is an unincorporated community and census-designated place (CDP) in South Wheatland Township, Macon County, Illinois, United States. It was first listed as a CDP in 2020, with a population of 119.^[2]

The name "Elwin" is an amalgamation of the surnames of founders Elwood and Martin.^[4][5]

Geography

Elwin is located in central Macon County at 39°51′6″N 88°56′39″W / 39.85167°N 88.94417°W / 39.85167; -88.94417 (39.851636, -88.944228).^[3] Centrally located within South Wheatland Township, it was once known as South Wheatland. It is 5 miles (8 km) south of the center of Decatur, the Macon county seat. U.S. Route 51 bypasses Elwin on its east side, with its old alignment passing through the center of the community as U.S. Route 51 Business. The two routes join south of Elwin and lead south 30 miles (48 km) to Pana.

According to the U.S. Census Bureau, the Elwin CDP has an area of 0.83 square miles (2.15 km²), all land.^[1] The community is in the Spring Creek watershed, which flows north to the Sangamon River in Decatur.

Demographics