Willow Lake, Illinois

CountryUSA

Elevation

^[2]

814 ft (248 m)

Time zoneUTC-6 (Central (CST))

ZIP Code

61032 (Freeport)

Willow Lake, Illinois
Census-designated place
Willow Lake Show map of Illinois Willow Lake Show map of the United States
Coordinates: 42°19′52″N 89°37′46″W / 42.33111°N 89.62944°W / 42.33111; -89.62944
Country	USA
State	Illinois
County	Stephenson
Townships	Harlem Lancaster
Area [1]
• Total	2.77 sq mi (7.17 km2)
• Land	2.73 sq mi (7.08 km2)
• Water	0.039 sq mi (0.10 km2)
Elevation [2]	814 ft (248 m)
Population  (2020)
• Total	1,026
• Density	375.6/sq mi (145.01/km2)
Time zone	UTC-6 (Central (CST))
• Summer (DST)	UTC-5 (CDT)
ZIP Code	61032 (Freeport)
Area codes	815, 779
FIPS code	17-82029
GNIS feature ID	2806586[2]

Willow Lake is a census-designated place (CDP) surrounding a lake of the same name in Stephenson County, Illinois, United States. It is in the center of the county, on the north side of U.S. Route 20 and 3 miles (5 km) north of the center of Freeport, the county seat. As of the 2020 census, Willow Lake had a population of 1,026.^[3]

Willow Lake was first listed as a CDP prior to the 2020 census.