What is "dallas city"

Population (2000): 1055
Housing Units (2000): 503
Land area (2000): 2.375209 sq. miles (6.151763 sq. km)
Water area (2000): 0.904617 sq. miles (2.342948 sq. km)
Total area (2000): 3.279826 sq. miles (8.494711 sq. km)
FIPS code: 18420
Located within: Illinois (IL), FIPS 17
Location: 40.636565 N, 91.165256 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: