Elgin city, Illinois
Official LSAD Designation: Elgin city • Census GEOID: 1723074
• Cook County / Kane County
Demographics & Population Profile
Population and demographics for Elgin city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 115,476 | — | 2025 | Census |
| Median Age | 36.7 yrs | ±1.3 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 39,317 | ±1,048 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).