The Collaborative International Dictionary of English v.0.48:

Brookside \Brook"side`\, n.
   The bank of a brook.
   [1913 Webster]

U.S. Gazetteer Places (2000):

Brookside, CO -- U.S. town in Colorado
   Population (2000):    219
   Housing Units (2000): 88
   Land area (2000):     0.431535 sq. miles (1.117670 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.431535 sq. miles (1.117670 sq. km)
   FIPS code:            09115
   Located within:       Colorado (CO), FIPS 08
   Location:             38.413513 N, 105.190734 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Brookside, CO
    Brookside


U.S. Gazetteer Places (2000):

Brookside, DE -- U.S. Census Designated Place in Delaware
   Population (2000):    14806
   Housing Units (2000): 5645
   Land area (2000):     3.908971 sq. miles (10.124187 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    3.908971 sq. miles (10.124187 sq. km)
   FIPS code:            09850
   Located within:       Delaware (DE), FIPS 10
   Location:             39.669211 N, 75.717961 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Brookside, DE
    Brookside


U.S. Gazetteer Places (2000):

Brookside, AL -- U.S. town in Alabama
   Population (2000):    1393
   Housing Units (2000): 613
   Land area (2000):     5.983996 sq. miles (15.498477 sq. km)
   Water area (2000):    0.010685 sq. miles (0.027675 sq. km)
   Total area (2000):    5.994681 sq. miles (15.526152 sq. km)
   FIPS code:            09736
   Located within:       Alabama (AL), FIPS 01
   Location:             33.631867 N, 86.913068 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Brookside, AL
    Brookside


U.S. Gazetteer Places (2000):

Brookside, OH -- U.S. village in Ohio
   Population (2000):    644
   Housing Units (2000): 304
   Land area (2000):     0.173368 sq. miles (0.449020 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.173368 sq. miles (0.449020 sq. km)
   FIPS code:            09316
   Located within:       Ohio (OH), FIPS 39
   Location:             40.071422 N, 80.760632 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Brookside, OH
    Brookside