CDP in Stephenson County, Illinois · 2.7 sq mi · 377 people per sq mi
About 1,000 people live in Willow Lake. The typical household earns $100,568, and the median resident is 57 years old.
2026 projection
From 752 in 2020
Poverty rate 6.41%
Men 56.7 · Women 59.1
2020–2026
1,031
2026 projection
37.1% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2020–2026
1,031
2026 projection
37.1% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 1,031 | +64 | 6.62% |
|---|---|---|---|
| 2025 | 967 | +129 | 7.42% |
| 2023 | 838 | +4 | 0.48% |
| 2022 | 834 | +39 | 4.91% |
| 2021 | 795 | +43 | 5.72% |
| 2020 | 752 | — | — |
Showing 6 of 6 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 8 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 16 residents
73% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 73% | 79% | 68% |
| Never married | 19% | 18% | 20% |
| Divorced | 0% | 0% | 0% |
| Widowed | 6% | 0% | 12% |
| Separated | 1% | 3% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau