Multnomah County, Oregon

Multnomah County: County in Oregon, United States

About

Multnomah County is a county located in the U.S. state of Oregon. As of the 2010 census, the population was 735,334 and a population density of 610 people per km². After 10 years in 2020 county had an estimated population of 815,637 inhabitants. Its county seat is Portland. The county was created 169 years ago in 1854.

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

Quick Facts about Multnomah County

Population : 815,637 (2020)
Country : United States of America
State : Oregon (United States)
Twitter username : multco
Area : 1206 km2
Water as percent of area : 7.4%
Land as percent of area : 92.6%
Named for : Multnomah people
Altitude : 344 feet / 105 meters
Capital : Portland
Establishment : December 12, 1854
Time Zone : Pacific Time Zone
Local time : 00:37:17 (27th April 2024)
Density : 676 Pop. per km² as of 2020
Population growth : 9.85% (2010-2020)
Multcocourthouse image
Multcocourthouse
Multcocourthouse image
Multcocourthouse image

Geography

Multnomah County is located at 45°32'49"N 122°24'55"W (45.5468700, -122.4153400). It has 6 neighbors: Columbia County, Clackamas County, Hood River County, Washington County, Clark County and Skamania County.

Multnomah County map

Click "full screen" full screen map icon to open full mode. View satellite images

The largest city of Multnomah County is Portland with a population of 656,751. Other cities include, Gresham population 110,031, Troutdale population 16,403, Wood Village population 4,081 and Maywood Park population 852. See all Multnomah County cities & populated places.

Multnomah County Populated Places

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

City Name Population Title
Portland 656,751 The twenty-sixth most populous city in the United States and the center of the Portland metropolitan area.
Gresham 110,031 The second most populous city in Multnomah County, Oregon.
Troutdale 16,403 City in Oregon, USA
Wood Village 4,081 City in Oregon, USA
Maywood Park 852 City in Oregon, USA

Multnomah County has 6 neighbours.

  • Portland

Demographics

The population of Multnomah County increased by 9.85% in 10 years.

Year Population % Change Method
2010 735,334 - census
2011 749,742 1.92% estimation process
2012 760,198 1.38% estimation process
2013 766,532 0.83% estimation process
2014 778,430 1.53% estimation process
2015 790,008 1.47% estimation process
2016 803,212 1.64% estimation process
2017 807,885 0.58% estimation process
2018 809,072 0.15% estimation process
2019 812,855 0.47% estimation process
2020 815,637 0.34% estimation process
Map of countries with a smaller population than Multnomah County

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People born in Multnomah County (3)

People born in Multnomah County, including journalist, author, and politician during the middle of the 20th century Richard L. Neuberger, politician John Hicklin Hall, politician Chandler Huntington, .

List

Oregon Other Counties (more counties)

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