Onslow -- U.S. County in North Carolina
   Population (2000):    150355
   Housing Units (2000): 55726
   Land area (2000):     766.818041 sq. miles (1986.049524 sq. km)
   Water area (2000):    141.737164 sq. miles (367.097555 sq. km)
   Total area (2000):    908.555205 sq. miles (2353.147079 sq. km)
   Located within:       North Carolina (NC), FIPS 37
   Location:             34.709586 N, 77.373135 W
   Headwords:
    Onslow
    Onslow, NC
    Onslow County
    Onslow County, NC

Onslow, IA -- U.S. city in Iowa
   Population (2000):    223
   Housing Units (2000): 107
   Land area (2000):     0.230982 sq. miles (0.598240 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.230982 sq. miles (0.598240 sq. km)
   FIPS code:            59250
   Located within:       Iowa (IA), FIPS 19
   Location:             42.105603 N, 91.015158 W
   ZIP Codes (1990):     52321
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Onslow, IA
    Onslow