West Baton Rouge -- U.S. Parish in Louisiana Population (2000): 21601 Housing Units (2000): 8370 Land area (2000): 191.202996 sq. miles (495.213465 sq. km) Water area (2000): 12.421337 sq. miles (32.171115 sq. km) Total area (2000): 203.624333 sq. miles (527.384580 sq. km) Located within: Louisiana (LA), FIPS 22 Location: 30.452085 N, 91.263053 W Headwords: West Baton Rouge West Baton Rouge, LA West Baton Rouge Parish West Baton Rouge Parish, LA