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Columbia County

Address:
341 E Main St
Dayton , WA 99328
Map and Driving Directions

Phone: (509) 382-4541
Fax: (509) 382-4830
Web Site: www.columbiaco.com
General Email: info@co.columbia.wa.us

Court House Hours: 8:30 a.m. - 4:30 p.m.
Commission Meets: 1st and 3rd Monday at 10:00 a.m.
Population*: 4,100
Established: 1875

County Officials (WACO)
County Officials (WSAC)
County Code
Comprehensive Plan
Budget
Ordinances
Resolutions
Agendas
Minutes
Employment

Economic and Demographic Information

MRSC Index of Columbia County documents

Also see:
Court Directory: County-City Reference List
Washington State Legislative Directory

Update County Profile Information

* Population data updated each July with the April 1 estimates from the Washington State Office of Financial Management.

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