Calcasieu Parish, Louisiana

Calcasieu Parish profile, demographic data, and geographic information.

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF

Government Unit	Unit Type	Jurisdiction Role	Contact / Address
PARISH OF CALCASIEU GUS Population: 206,861 (2024) ID: 183800	County	Official County Government	Contact: POLICE JURY PRESIDENT PO BOX 3287, LAKE CHARLES LA 70602-3287
CITY OF LAKE CHARLES GUS Population: 81,157 (2024) ID: 127813	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 900, LAKE CHARLES LA 70602-0900
CITY OF SULPHUR GUS Population: 20,572 (2024) ID: 166045	Municipal	Municipal Government Within County	Contact: ADMINISTRATIVE ASSISTANT PO BOX 1309, SULPHUR LA 70664-1309
CITY OF WESTLAKE GUS Population: 4,735 (2024) ID: 105740	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 700, WESTLAKE LA 70669-0700
TOWN OF IOWA GUS Population: 3,150 (2024) ID: 105737	Municipal	Municipal Government Within County	Contact: MUNICIPAL CLERK PO BOX 1707, IOWA LA 70647-1707
TOWN OF VINTON GUS Population: 3,108 (2024) ID: 127814	Municipal	Municipal Government Within County	Contact: CITY CLERK 1200 HORRIDGE ST, VINTON LA 70668-3899
CITY OF DE QUINCY GUS Population: 2,872 (2024) ID: 127812	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 968, DEQUINCY LA 70633-0968