What is "iowa colony"

Population (2000): 804
Housing Units (2000): 302
Land area (2000): 5.755057 sq. miles (14.905528 sq. km)
Water area (2000): 0.014222 sq. miles (0.036835 sq. km)
Total area (2000): 5.769279 sq. miles (14.942363 sq. km)
FIPS code: 36092
Located within: Texas (TX), FIPS 48
Location: 29.442963 N, 95.415607 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: