Village in Lake County, Illinois · 10.9 sq mi · 1,936 people per sq mi
About 21,000 people live in Grayslake. The typical household earns $113,972, and the median resident is 37.2 years old.
2026 projection
From 21,224 in 2020
Poverty rate 6.3%
Men 36.2 · Women 38.3
1900–2026
21,126
2026 projection
0.5% since 2020 (decrease)
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.
1900–2026
21,126
2026 projection
0.5% since 2020 (decrease)
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 | 21,126 | -14 | 0.07% |
|---|---|---|---|
| 2025 | 21,140 | -29 | 0.14% |
| 2024 | 21,169 | +77 | 0.37% |
| 2023 | 21,092 | +34 | 0.16% |
| 2022 | 21,058 | -101 | 0.48% |
| 2021 | 21,159 | -65 | 0.31% |
| 2020 | 21,224 | +490 | 2.36% |
| 2019 | 20,734 | -149 | 0.71% |
| 2018 | 20,883 | -56 | 0.27% |
| 2017 | 20,939 | -35 | 0.17% |
Showing 10 of 28 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 209 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
58% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 58% | 58% | 57% |
| Never married | 30% | 33% | 27% |
| Divorced | 7% | 6% | 9% |
| Widowed | 4% | 3% | 6% |
| Separated | <1% | <1% | 1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau