Chicago city, Illinois
Official LSAD Designation: Chicago city • Census GEOID: 1714000
• Cook County / DuPage County
Demographics & Population Profile
Population and demographics for Chicago city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 2,731,585 | — | 2025 | Census |
| Median Age | 35.8 yrs | ±0.1 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 1,160,205 | ±3,944 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).