Seaside, Oregon

Seaside, Oregon
Aerial view of Seaside, 2011
Location in Oregon and Clatsop County
Coordinates: 45°59′44″N 123°54′50″W / 45.99556°N 123.91389°W / 45.99556; -123.91389
CountryUnited States
StateOregon
CountyClatsop
Incorporated1899
Government
 • TypeCouncil-Manager
 • MayorSteve Wright
Area
 • Total
4.05 sq mi (10.49 km2)
 • Land3.90 sq mi (10.09 km2)
 • Water0.16 sq mi (0.41 km2)
Elevation
23 ft (7.0 m)
Population
 (2020)
 • Total
7,115
 • Density1,827/sq mi (705.4/km2)
Time zoneUTC−08:00 (Pacific)
 • Summer (DST)UTC−07:00 (Pacific)
ZIP Code
97138
Area codes503 and 971
FIPS code41-65950
GNIS feature ID2411854
Websitewww.cityofseaside.us

Seaside is a coastal city in Clatsop County, Oregon, United States, on the coast of the Pacific Ocean. The name Seaside is derived from Seaside House, a historic summer resort built in the 1870s by railroad magnate Ben Holladay. The city's population was 7,115 at the 2020 census.