McKinney, TX -- U.S. city in Texas Population (2000): 54369 Housing Units (2000): 19462 Land area (2000): 58.026555 sq. miles (150.288081 sq. km) Water area (2000): 0.475822 sq. miles (1.232372 sq. km) Total area (2000): 58.502377 sq. miles (151.520453 sq. km) FIPS code: 45744 Located within: Texas (TX), FIPS 48 Location: 33.197210 N, 96.639751 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: McKinney, TX McKinney