Thurston County, Washington

Thurston County 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
COUNTY OF THURSTON GUS Population: 302,912 (2024) ID: 176805	County	Official County Government	Contact: COUNTY MANAGER 2000 LAKERIDGE DR SW, RM 269, OLYMPIA WA 98502-6045
CITY OF LACEY GUS Population: 58,644 (2024) ID: 114647	Municipal	Municipal Government Within County	Contact: MAYOR 420 COLLEGE ST SW, LACEY WA 98509
CITY OF OLYMPIA GUS Population: 56,271 (2024) ID: 176884	Municipal	Municipal Government Within County	Contact: FINANCE MANAGER PO BOX 1967, OLYMPIA WA 98507-1967
CITY OF TUMWATER GUS Population: 27,826 (2024) ID: 176886	Municipal	Municipal Government Within County	Contact: MAYOR 555 ISRAEL RD SW, TUMWATER WA 98501-6568
CITY OF YELM GUS Population: 11,715 (2024) ID: 194194	Municipal	Municipal Government Within County	Contact: CITY CLERK HR 105 W YELM AVE, YELM WA 98597-7675
CITY OF RAINIER GUS Population: 2,506 (2024) ID: 176885	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 258, RAINIER WA 98576-0258
CITY OF TENINO GUS Population: 1,956 (2024) ID: 136134	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 4019, TENINO WA 98589-4019
TOWN OF BUCODA GUS Population: 615 (2024) ID: 136133	Municipal	Municipal Government Within County	Contact: CLERK TREASURER PO BOX 10, BUCODA WA 98530-0010