Marion County, Oregon

Marion County: County in Oregon, United States

About

Marion County is a county located in the U.S. state of Oregon. As of the 2010 census, the population was 315,335 and a population density of 102 people per km². After 10 years in 2020 county had an estimated population of 349,204 inhabitants. Its county seat is Salem. The county was created 181 years ago in 1842.

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

Quick Facts about Marion County

Population : 349,204 (2020)
Country : United States of America
State : Oregon (United States)
Different from : Marion County, Marion County, Marion County, Marion County, Marion County, Marion County, Marion County, Marion County, Marion County, Marion County, Marion County, Marion County, Marion County, Marion County, Marion County, Marion County
Area : 3093 km2
Water as percent of area : 0.85%
Land as percent of area : 99.15%
Named for : Francis Marion
Capital : Salem
Establishment : January 01, 1843
Time Zone : America/Los_Angeles
Local time : 11:30:07 (8th December 2024)
Density : 113 Pop. per km² as of 2020
Population growth : 9.7% (2010-2020)
Marion County Courthouse Salem Oregon image
Marion County Courthouse Salem Oregon
Marion County Courthouse Salem Oregon image

Geography

Marion County is located at 44°54'11"N 122°35'5"W (44.9031900, -122.5847300). It has 6 neighbors: Linn County, Clackamas County, Jefferson County, Polk County, Wasco County and Yamhill County.

Marion County map

The largest city of Marion County is Salem with a population of 175,891. Other cities include, Keizer population 39,593, Woodburn population 26,175, Hayesville population 19,936 and Four Corners population 15,947. See all Marion County cities & populated places.

Marion County Populated Places (more)

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

City Name Population Title
Salem 175,891 The capital of Oregon.
Keizer 39,593 City in Oregon, USA
Woodburn 26,175 City in Oregon, USA
Hayesville 19,936 City in Keokuk County, Iowa, United States of America
Four Corners 15,947 Region of the United States consisting of the southwestern corner of Colorado, northwestern corner of New Mexico, northeastern corner of Arizona and southeastern corner of Utah
Silverton 10,617 Historic district in the United States
Stayton 8,256 City in Oregon, USA
Aumsville 4,202 City in Oregon, USA
Mount Angel 3,650 Mountain in Oregon, United States of America
Hubbard 3,595 City in Oregon, USA
Jefferson 3,386 City in Marion County, Texas, USA
Sublimity 2,784 City in Oregon, USA
Gervais 2,774 City in Oregon, USA
Turner 2,130 City in Oregon, USA
Donald 1,064 City in Oregon, USA
Aurora 1,039 City in Oregon, USA

Marion County has 6 neighbours.

  • Salem

Demographics

The population of Marion County increased by 9.7% in 10 years.

Year Population % Change Method
2010 315,335 - census
2011 318,047 0.85% estimation process
2012 319,867 0.57% estimation process
2013 321,471 0.5% estimation process
2014 324,433 0.91% estimation process
2015 329,060 1.41% estimation process
2016 335,382 1.89% estimation process
2017 340,531 1.51% estimation process
2018 345,412 1.41% estimation process
2019 347,818 0.69% estimation process
2020 349,204 0.4% estimation process

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People born in Marion County (2)

People born in Marion County, including politician Charles S. Moore, politician Winlock W. Steiwer, .

List

Other places with the same name (17)

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
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
Bend 101,886 The most populous city in Deschutes County, Oregon.