Multnomah County, Oregon Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 1st-largest in Oregon

The population of Multnomah County, Oregon is 803,863 as of the 2023 American Community Survey, making it the 1st-largest county in Oregon. The median household income is $86,247, the median home value is $528,000, and the median age is 38.5.

The population of Multnomah County has grown 7.9% since 2010 (737,320 → 795,897), a +0.55% annualized rate.

Multnomah County within Oregon · Source: US Census TIGER/Line via us-atlas

803,863

Population

+0.55%

Annual growth

1865

People / sq mi

$86,247

Median Income

$528,000

Median Home Value

Multnomah County covers 431 sq mi of land at 1865.0 people per square mile.

About Multnomah County, OR

Multnomah County is a county in Oregon with a population of 803,863. It ranks #1 among counties in Oregon by population. The median age is 38.5, in line with the national median. The population is 49.8% male and 50.2% female.

The median household income in Multnomah County is $86,247, above the US median of $74,580. 7.3% of residents live below the federal poverty level. Home values sit at a median of $528,000, with monthly rent averaging $1,582. The homeownership rate of 54.1% is lower than the national rate of 64.8%.

Educational attainment in Multnomah County reflects 48.6% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 23.1% of workers primarily work from home, noticeably above the national work-from-home rate of 14.2%. The average commute is 25.0 minutes each way.

Multnomah County Population History (2010-2024)

The county of Multnomah County had a population of 737,320 in 2010 and 795,897 in 2024, a 7.9% growth over 14 years. The peak was 816,321 in 2020. Average annual growth rate: 0.55%.

795,897

Population (2024)

737,320

Population (2010)

816,321

Peak (2020)

0.55%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	737,320	-	-	estimate
2011	749,926	+12,606	+1.71%	estimate
2012	760,505	+10,579	+1.41%	estimate
2013	766,977	+6,472	+0.85%	estimate
2014	779,002	+12,025	+1.57%	estimate
2015	790,723	+11,721	+1.50%	estimate
2016	803,630	+12,907	+1.63%	estimate
2017	808,192	+4,562	+0.57%	estimate
2018	809,448	+1,256	+0.16%	estimate
2019	812,439	+2,991	+0.37%	estimate
2020	816,321	+3,882	+0.48%	estimate
2021	804,934	-11,387	-1.39%	estimate
2022	795,960	-8,974	-1.11%	estimate
2023	794,271	-1,689	-0.21%	estimate
2024	795,897	+1,626	+0.20%	estimate

Race & Ethnicity

White	70.0%
Black or African American	5.5%
Asian	0.0%
Hispanic or Latino (any race)	3.0%
Two or More Races	0.1%

Age & Sex

38.5

Median Age

50.2%

Female

49.8%

Male

14.4%

Age 65+

Age Distribution

Under 5

4.7%

5–9

4.8%

10–14

5.3%

15–19

5.1%

20–24

5.8%

25–34

18.2%

35–44

17.1%

45–54

13.6%

55–59

5.6%

60–64

5.5%

65–74

9.1%

75–84

3.8%

85+

1.5%

Children (under 15): 14.8% · Seniors (65+): 14.4%

Income & Poverty

Median household income	$86,247+$5,821 vs state
Mean household income	$119,642
Per-capita income	$52,354
Poverty rate	7.3%
Unemployment rate	3.8%
Employment-to-population	65.8%

Top Industries by Employment

Professional & business services

24.0%

Finance & real estate

16.0%

Education & health care

9.2%

Manufacturing

9.1%

Information

6.0%

Retail trade

5.5%

Construction

5.0%

Arts, entertainment & food

4.9%

The largest employment sector in Multnomah County is professional & business services, accounting for 24.0% of workers.

How residents commute

6.5%

Drive alone

4.4%

Carpool

53.6%

Public transit

23.1%

Work from home

25.0 min

Avg commute

Housing

$528,000+$73,800 vs state

Median home value

$1,582

Median rent

54.1%

Homeownership rate

367,704

Total housing units

94.5%

Occupied

5.5%

Vacant

45.9%

Renter-occupied

Social & access

94.1%

With health insurance

96.7%

With broadband internet

44.7%

Foreign-born

5.0%

Veterans (18+)

13.7%

With a disability

80.9%

Speak language other than English at home

Education

92.3%

High School+

48.6%

Bachelor's+

Largest cities in Oregon

Portland (642,715)Eugene (177,520)Salem (176,666)Gresham (112,818)Hillsboro (107,050)Bend (101,472)Beaverton (97,502)Medford (85,794)Springfield (61,642)Corvallis (60,424)All Oregon cities →

Other counties in Oregon

Washington County (600,266)Clackamas County (422,308)Lane County (382,628)Marion County (346,532)Jackson County (222,563)Deschutes County (203,026)Linn County (129,794)Douglas County (111,807)Yamhill County (108,122)Benton County (96,359)All Oregon counties →

Part of Oregon

Oregon demographic profile All Oregon data →

Metro areas in Oregon

Portland (2,510,529)Salem (435,085)Eugene (382,628)Bend (253,650)Medford (222,563)Albany (129,794)Corvallis (96,359)Grants Pass (88,069)All US metros →

County rankings

US Counties by Population Richest US Counties by Median Household Income Expensive US Counties by Home Value Educated US Counties Counties With Highest Poverty Rates Youngest US Counties by Median Age Oldest US Counties by Median Age Cheapest US Counties by Median Home Value Racially Diverse US Counties Counties With Largest Hispanic Population All rankings →

Common questions about Multnomah County, OR

What is the population of Multnomah County, OR?What is the median household income in Multnomah County, OR?What is the median home value in Multnomah County, OR?What are the demographics of Multnomah County, OR?What is the cost of living in Multnomah County, OR?Is Multnomah County, OR growing?

Frequently Asked Questions

Multnomah County, Oregon has a population of 803,863 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 1st-largest county in Oregon. Population density is 1865 people per square mile.

The population of Multnomah County has grown 7.9% since 2010 (737,320 → 795,897), a +0.55% annualized rate.

The median household income in Multnomah County, Oregon is $86,247, with mean (average) household income of $119,642 and per-capita income of $52,354. 7.3% of residents live below the federal poverty level.

In Multnomah County, the largest racial and ethnic groups are White (70.0%), Black or African American (5.5%), Hispanic or Latino (3.0%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Multnomah County, Oregon is 38.5 years. Residents are 50.2% female and 49.8% male.

The median home value in Multnomah County is $528,000 and median monthly rent is $1,582. 54.1% of occupied housing units are owner-occupied. The county has 367,704 total housing units, 5.5% of which are vacant.

The largest employment sector in Multnomah County, Oregon is professional, scientific, and management services, employing 24.0% of workers. The unemployment rate is 3.8%.

Portland is among the largest cities associated with Multnomah County, Oregon, with a population of 642,715.