Clatsop County, Oregon

Clatsop 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 CLATSOP GUS Population: 41,043 (2024) ID: 209185	County	Official County Government	Contact: EXECUTIVE ASSISTANT 800 EXCHANGE ST, STE 310, ASTORIA OR 97103-4641
CITY OF ASTORIA GUS Population: 9,906 (2024) ID: 205213	Municipal	Municipal Government Within County	Contact: PLANNER 1095 DUANE ST, ASTORIA OR 97103-4584
CITY OF SEASIDE GUS Population: 7,110 (2024) ID: 191290	Municipal	Municipal Government Within County	Contact: ADMINISTRATIVE ASSISTANT 989 BROADWAY ST, SEASIDE OR 97138-7826
CITY OF WARRENTON GUS Population: 6,324 (2024) ID: 209190	Municipal	Municipal Government Within County	Contact: CITY RECORDER PO BOX 250, WARRENTON OR 97146-0250
CITY OF GEARHART GUS Population: 1,872 (2024) ID: 209189	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 2510, GEARHART OR 97138-2510
CITY OF CANNON BEACH GUS Population: 1,500 (2024) ID: 111593	Municipal	Municipal Government Within County	Contact: FINANCE DIRECTOR PO BOX 368, CANNON BEACH OR 97110-0368