Boulder Hill, Illinois

Boulder Hill
Nicknames: 
The Hill, Boulder Hood
Boulder Hill
Location of Boulder Hill (CDP) within Illinois
Boulder Hill
Boulder Hill (the United States)
Coordinates: 41°42′41″N 88°20′07″W / 41.71139°N 88.33528°W / 41.71139; -88.33528
CountryUnited States
StateIllinois
CountyKendall
TownshipOswego
Area
 • Total
1.46 sq mi (3.79 km2)
 • Land1.46 sq mi (3.78 km2)
 • Water0.0077 sq mi (0.02 km2)
Elevation
663 ft (202 m)
Population
 (2020)
 • Total
8,394
 • Density5,756.2/sq mi (2,222.47/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP code
60538
Area codes630, 331
FIPS code17-07419
GNIS feature ID2393344

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.