| Name | Lake County |
| State | Indiana |
| FIPS Code | 18089 |
| County Seat | Crown Point |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 500,591 |
| Population Growth Rate(2020-2024) | 0.38% |
| Majority Ethnicity | White 55.6% |
| Public School Majority Ethnicity | White 37% |
| Partisan Voting Index | Democratic:+5 |
| Unemployment Rate (May 2026) | 5.3% |
| Sales Tax Rate (2025) | 7% |
| Area Code(s) | 219 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 55.6% |
| African American | 22.53% |
| Hispanic | 19.94% |
| Asian | 1.51% |
| Native American | 0.37% |
| Hawaiin/Pacific Islander | 0.03% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 37.16% |
| African American | 29.9% |
| Hispanic | 27.37% |
| Asian | 1.29% |
| Native American | 0.15% |
| Hawaiin/Pacific Islander | 0.04% |