Boulder Hill, Illinois
Boulder Hill | |
|---|---|
Sign along Illinois Route 25 | |
| Nicknames: The Hill, Boulder Hood | |
| Coordinates: 41°42′41″N 88°20′07″W / 41.71139°N 88.33528°W | |
| Country | United States |
| State | Illinois |
| County | Kendall |
| Township | Oswego |
| Area | |
• Total | 1.46 sq mi (3.79 km2) |
| • Land | 1.46 sq mi (3.78 km2) |
| • Water | 0.01 sq mi (0.02 km2) |
| Elevation | 663 ft (202 m) |
| Population (2020) | |
• Total | 8,394 |
| • Density | 5,757.20/sq mi (2,222.47/km2) |
| Time zone | UTC-6 (CST) |
| • Summer (DST) | UTC-5 (CDT) |
| ZIP code | 60538 |
| Area code(s) | 630, 331 |
| FIPS code | 17-07419 |
| GNIS feature ID | 2393344 |
Boulder Hill is a census-designated place (CDP) in Oswego Township, Kendall County, Illinois, United States. Per the 2020 census, the population was 8,394. It is part of the Chicago metropolitan area on the Fox River, south of Aurora.