Demographics of Multnomah County, Oregon

Multnomah County, Oregon had 795,391 people on July 1, 2025, by the Census Bureau’s estimate: −20,870 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Multnomah County, in four figures

795,391
Population: July 1, 2025, Vintage 2025 estimate.; −2.6%
Change since July 2020: −20,870 people.; 38.7 ±0.1
Median age: ACS 2020–⁠2024.; $88,766 ±$1,813
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Multnomah County, Oregon's population shrank 2.6% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Multnomah County, Oregon's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Multnomah County, Oregon's population shrank 2.6% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Multnomah County, Oregon's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	816,261	100.0	100.0
2021	805,130	98.6	100.2
2022	796,165	97.5	100.7
2023	793,778	97.2	101.6
2024	794,472	97.3	102.5
2025	795,391	97.4	103.1

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Population of Multnomah County, Oregon on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	816,261	+861	+493	+59	+127
2021	805,130	−11,131	+663	+691	−12,326
2022	796,165	−8,965	+649	+1,941	−11,385
2023	793,778	−2,387	+201	+4,181	−6,697
2024	794,472	+694	+326	+5,163	−4,789
2025	795,391	+919	+223	+2,550	−1,931

Age, 2020–2024

The median age is 38.7 ±0.1: for men 38.4 ±0.2 and for women 39.0 ±0.2. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Multnomah County by age, ACS 2020–2024
Age	People	Share	Oregon	United States
Under 5	36,914 ±83	4.6% ±<0.1	4.9% ±<0.1	5.6% ±<0.1
5 to 17	104,221 ±1,594	13.0% ±0.2	15.0% ±0.1	16.3% ±<0.1
18 to 24	62,093 ±1,671	7.7% ±0.2	8.5% ±0.1	9.1% ±<0.1
25 to 44	281,985 ±2,207	35.2% ±0.3	28.0% ±0.1	26.9% ±<0.1
45 to 64	198,040 ±2,021	24.7% ±0.3	24.5% ±0.1	24.8% ±<0.1
65 and over	118,224 ±2,341	14.8% ±0.3	19.1% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $88,766 ±$1,813, and income per person $53,996 ±$680, in 2024 dollars. The median is $83,011 ±$573 in Oregon and $80,734 ±$166 in the United States.

Households by income

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Households in Multnomah County by income, ACS 2020–2024
Household income	Households	Share	Oregon	United States
Under $25,000	48,960 ±2,029	14.0% ±0.6	13.9% ±0.2	14.6% ±<0.1
$25,000 to $49,999	51,603 ±2,098	14.8% ±0.6	16.2% ±0.3	16.7% ±<0.1
$50,000 to $74,999	49,596 ±1,945	14.2% ±0.6	15.4% ±0.2	15.5% ±<0.1
$75,000 to $99,999	42,587 ±1,577	12.2% ±0.4	13.2% ±0.2	12.6% ±<0.1
$100,000 to $149,999	61,739 ±2,019	17.6% ±0.6	18.5% ±0.2	17.5% ±<0.1
$150,000 to $199,999	37,989 ±1,577	10.9% ±0.4	10.1% ±0.2	9.6% ±<0.1
$200,000 or more	57,329 ±1,638	16.4% ±0.5	12.7% ±0.2	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Multnomah County by age, ACS 2020–2024
Age	Below poverty	Rate	Oregon	United States
All ages	99,068 ±3,886	12.6% ±0.5	11.9% ±0.2	12.5% ±0.1
Under 18	19,075 ±1,375	13.8% ±1.0	13.2% ±0.4	16.1% ±0.1
18 to 59	59,295 ±2,691	12.1% ±0.5	12.0% ±0.2	11.6% ±0.1
60 and over	20,698 ±1,238	13.1% ±0.8	10.8% ±0.3	11.0% ±<0.1

Housing, 2020–2024

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Housing in Multnomah County, ACS 2020–2024
Measure	Multnomah County	Oregon	United States
Housing units	371,179 ±207	1,857,992 ±637	143,775,355 ±10,234
Occupied	94.2% ±0.4	92.5% ±0.2	89.9% ±0.1
Vacant	5.8% ±0.4	7.5% ±0.2	10.1% ±0.1
Owner occupied	53.4% ±0.7	63.3% ±0.4	65.2% ±0.3
Renter occupied	46.6% ±0.7	36.7% ±0.3	34.8% ±0.1
Median home value	$552,700 ±$6,077	$477,600 ±$1,400	$332,700 ±$236
Median gross rent	$1,646 ±$16	$1,525 ±$10	$1,413 ±$2
Median year built	1972 ±2	1981 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Multnomah County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Oregon	United States
Hispanic or Latino	108,265 ±0	13.5% ±<0.1	14.7% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	522,687 ±1,525	65.2% ±0.2	71.4% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	42,192 ±1,483	5.3% ±0.2	1.8% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	59,173 ±1,135	7.4% ±0.1	4.4% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	3,171 ±428	0.4% ±0.1	0.6% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	4,719 ±317	0.6% ±<0.1	0.4% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	4,632 ±850	0.6% ±0.1	0.6% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	56,638 ±2,392	7.1% ±0.3	6.1% ±0.1	4.3% ±<0.1

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Multnomah County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Oregon	United States
Born in the state	324,202 ±4,049	40.5% ±0.5	45.6% ±0.2	57.3% ±<0.1
Born in another state	359,546 ±4,001	44.9% ±0.5	43.2% ±0.2	26.9% ±<0.1
Born a citizen outside the states	13,270 ±1,070	1.7% ±0.1	1.3% ±0.1	1.7% ±<0.1
Born abroad	104,459 ±3,448	13.0% ±0.4	9.8% ±0.2	14.1% ±<0.1
Naturalized citizens	58,595 ±2,384	7.3% ±0.3	4.9% ±0.1	7.4% ±<0.1
Not citizens	45,864 ±2,436	5.7% ±0.3	5.0% ±0.1	6.8% ±<0.1

Multnomah County among the counties of Oregon

1st of 36 by population, July 2025. Every one is listed on the Oregon page.

Counties of Oregon near Multnomah County in population, July 2025
County	July 2025	Change since 2020
Multnomah County	795,391	−2.6%
Washington County	611,708	+1.8%
Clackamas County	426,280	+0.9%
Lane County	381,584	−0.7%
Marion County	355,777	+2.7%
Jackson County	221,795	−0.9%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026