'Boulder Hill, IL' definitions:

Boulder Hill, IL -- U.S. Census Designated Place in Illinois

From: Gazetteer 2000
Name :
Boulder Hill, IL -- U.S. Census Designated Place in Illinois
Population (2000) :
8169
Housing Units (2000) :
2894
Land area (2000) :
1.457620 sq. miles (3.775219 sq. km)
Water area (2000) :
0.009075 sq. miles (0.023503 sq. km)
Total area (2000) :
1.466695 sq. miles (3.798722 sq. km)
FIPS code :
07419
Located within :
Illinois (IL), FIPS 17
Location :
41.710562 N, 88.333456 W
Note :
some ZIP codes may be omitted esp. for suburbs.