Willow Lake, Illinois

Willow Lake, Illinois
Census-designated place
Willow Lake is located in Illinois
Willow Lake
Willow Lake
Location within Illinois
Willow Lake is located in the United States
Willow Lake
Willow Lake
Location within the United States
Coordinates: 42°19′52″N 89°37′46″W / 42.33111°N 89.62944°W / 42.33111; -89.62944
CountryUSA
StateIllinois
CountyStephenson
TownshipsHarlem
Lancaster
Area
[1]
 • Total
2.77 sq mi (7.17 km2)
 • Land2.73 sq mi (7.08 km2)
 • Water0.039 sq mi (0.10 km2)
Elevation
[2]
814 ft (248 m)
Population
 (2020)
 • Total
1,026
 • Density375.6/sq mi (145.01/km2)
Time zoneUTC-6 (Central (CST))
 • Summer (DST)UTC-5 (CDT)
ZIP Code
61032 (Freeport)
Area codes815, 779
FIPS code17-82029
GNIS feature ID2806586[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.

Demographics

Historical population
CensusPop.Note%±
20201,026—
U.S. Decennial Census[4]

Willow Lake first appeared as a census designated place in the 2020 U.S. census.[5]

2020 census

As of the 2020 census, Willow Lake had a population of 1,026. The median age was 56.7 years. 14.3% of residents were under the age of 18 and 31.9% of residents were 65 years of age or older. For every 100 females there were 103.2 males, and for every 100 females age 18 and over there were 102.5 males age 18 and over.[6]

36.1% of residents lived in urban areas, while 63.9% lived in rural areas.[7]

There were 462 households in Willow Lake, of which 15.8% had children under the age of 18 living in them. Of all households, 62.1% were married-couple households, 17.3% were households with a male householder and no spouse or partner present, and 18.8% were households with a female householder and no spouse or partner present. About 30.7% of all households were made up of individuals and 18.2% had someone living alone who was 65 years of age or older.[6]

There were 475 housing units, of which 2.7% were vacant. The homeowner vacancy rate was 0.2% and the rental vacancy rate was 2.4%.[6]

Racial composition as of the 2020 census[8]
RaceNumberPercent
White95793.3%
Black or African American242.3%
American Indian and Alaska Native10.1%
Asian101.0%
Native Hawaiian and Other Pacific Islander00.0%
Some other race70.7%
Two or more races272.6%
Hispanic or Latino (of any race)242.3%

Education

It is in the Freeport School District 145.[9] The district operates Freeport High School.

References

  1. ↑ "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved March 15, 2022.
  2. 1 2 U.S. Geological Survey Geographic Names Information System: Willow Lake, Illinois
  3. ↑ "2020 Decennial Census Redistricting Data (Public Law 94-171)". United States Census Bureau. 2021. Retrieved March 11, 2026.
  4. ↑ "Census of Population and Housing". Census.gov. Retrieved June 4, 2016.
  5. ↑ "2020 Geography Changes". United States Census Bureau. Retrieved April 30, 2026.
  6. 1 2 3 "2020 Decennial Census Demographic Profile (DP1)". United States Census Bureau. 2021. Retrieved May 1, 2026.
  7. ↑ "2020 Decennial Census Demographic and Housing Characteristics (DHC)". United States Census Bureau. 2023. Retrieved May 1, 2026.
  8. ↑ "2020 Decennial Census Redistricting Data (Public Law 94-171)". United States Census Bureau. 2021. Retrieved May 1, 2026.
  9. ↑ Geography Division (December 22, 2020). 2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Stephenson County, IL (PDF) (Map). U.S. Census Bureau. Retrieved June 28, 2025. - Text list
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