Clatsop County, Oregon

Clatsop County: County in Oregon, United States


Clatsop County is a county located in the U.S. state of Oregon. As of the 2010 census, the population was 37,039 and a population density of 13 people per km². After 10 years in 2020 county had an estimated population of 40,423 inhabitants. Its county seat is Astoria. The county was created 179 years ago in 1843.

Clatsop County locator map
Location of Clatsop County on Oregon map.

Quick Facts about Clatsop County

Population : 40,423 (2020)
Country : United States of America
State : Oregon (United States)
Area : 2809 km2
Water as percent of area : 24%
Land as percent of area : 76%
Named for : Clatsop people
Altitude : 1,841 feet / 561 meters
Capital : Astoria
Establishment : January 01, 1844
Time Zone : America/Los_Angeles
Local time : 21:40:39 (28th November 2023)
Density : 14 Pop. per km² as of 2020
Population growth : 8.37% (2010-2020)
Weather : 33℉ Mostly Clear 7-days weather
Clatsop County Courthouse 'Clatsop County  Oregon scenic images' 'clatDA0020a' image
Clatsop County Courthouse 'Clatsop County Oregon scenic images' 'clatDA0020a'
Clatsop County Courthouse 'Clatsop County  Oregon scenic images' 'clatDA0020a' image


Clatsop County is located at 46°1'3"N 123°43'0"W (46.0174700, -123.7167700). It has 5 neighbors: Columbia County, Tillamook County, Washington County, Pacific County and Wahkiakum County.

Clatsop County map

The largest city of Clatsop County is Astoria with a population of 10,029. Other cities include, Seaside population 6,926, Warrenton population 5,739, Cannon Beach population 1,779 and Gearhart population 1,644. See all Clatsop County cities & populated places.

Clatsop County Populated Places

Cities, towns, neighborhoods & other populated places in Clatsop County.

City Name Population Title
Astoria 10,029 City in Oregon, USA
Seaside 6,926 City in Oregon, USA
Warrenton 5,739 City in Oregon, USA
Cannon Beach 1,779 City in Oregon, USA
Gearhart 1,644 City in Oregon, USA


Clatsop County forecast: Mostly clear, with a low around 33. Southeast wind around 7 mph. more

Clatsop County has 5 neighbours.

  • Westport
  • Jeffers Gardens
  • Astoria
  • Cannon Beach
  • Warrenton
  • Seaside
  • Gearhart


The population of Clatsop County increased by 8.37% in 10 years.

Year Population % Change Method
2010 37,039 - census
2011 37,228 0.51% estimation process
2012 37,415 0.5% estimation process
2013 37,113 -0.81% estimation process
2014 37,449 0.9% estimation process
2015 37,797 0.92% estimation process
2016 38,678 2.28% estimation process
2017 39,101 1.08% estimation process
2018 39,711 1.54% estimation process
2019 40,224 1.28% estimation process
2020 40,423 0.49% estimation process

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People born in Clatsop County (1)

American baseball player Brian Bruney was born in Clatsop County

Oregon Other Counties (more counties)

County Name Population Title
Multnomah County 815,637 County in Oregon, United States
Portland 656,751 The twenty-sixth most populous city in the United States and the center of the Portland metropolitan area.
Washington County 603,514 County in Oregon, United States
Clackamas County 421,596 County in Oregon, United States
Lane County 382,986 County in Oregon, United States
Marion County 349,204 County in Oregon, United States
Jackson County 221,844 County in Oregon, United States
Deschutes County 201,769 County in Oregon, United States
Salem 175,891 The capital of Oregon.
Eugene 173,236 The second most populous city in Oregon.
Linn County 131,054 County in Oregon, United States
Terrebonne 117,664 Census-designated place in Deschutes County, Oregon
Douglas County 111,364 County in Oregon, United States
Hillsboro 110,985 The most populous city in Washington County, Oregon.
Gresham 110,031 The second most populous city in Multnomah County, Oregon.
Yamhill County 107,664 County in Oregon, United States