Multnomah County, Oregon Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Multnomah County, OR Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
-
A
Health Above averageAmong the top 5 healthiest counties in Oregon
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B
Income Around averageAmong the top 3 wealthiest counties in Oregon
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A
Education Above averageAmong the top 3 best educated counties in Oregon
Source: Map AI Methodology
Population: density and quick facts
| Metric | Multnomah County | Oregon Avg | U.S. Average |
|---|---|---|---|
| Population | 801,042 | 4,252,306 | 337,468,954 |
| Population density (per sq mi) | 1723.9 | 43.2 | 86.4 |
| Population growth (%/yr) | 0.37% | 0.82% | 0.59% |
| Median age | 37.0 | 40.6 | 37.3 |
| Households | 349,620 | 1,717,698 | 130,235,071 |
Population in Multnomah County grew by 14.7% from 2009 to 2024, reaching 801,042 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Multnomah County is Millennials, aged 29–44, at 28.8% of residents. That is 5.7 points above Oregon as a whole.
- Gen Z 13–28 160,505 20.0% -0.7 pts
- Millennials 29–44 230,495 28.8% +5.7 pts
- Gen X 45–60 167,465 20.9% +1.0 pts
- Boomers 61–79 112,101 14.0% -4.0 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Oregon, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 50.1% of the people living in Multnomah County and men 49.9%.
- Women 50.1% Oregon 50.1%
- Men 49.9% Oregon 49.9%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Multnomah County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Multnomah County has a the economy index of B, which means it is quite prosperous.
| Metric | Multnomah County | Oregon Avg | U.S. Average |
|---|---|---|---|
| Median household income | $89,512 | $83,617 | $80,455 |
| Income growth (%/yr) | 5.65% | 5.70% | 4.80% |
| Unemployment rate | 5.7% | 5.3% | 5.2% |
The median household income in Multnomah County is about 7% higher than in Oregon.
Housing
| Metric | Multnomah County | Oregon Avg | U.S. Average |
|---|---|---|---|
| Median home price | $474,481 | $406,603 | $248,835 |
| Median rent | $1,646 | $1,525 | $1,407 |
| Homeownership rate | 53.4% | 63.3% | 65.2% |
The median home price in Multnomah County is about 24.0 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,646 per month for that long.
Commute Time & Mobility
Commuters in Multnomah County spend about 44 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 184 hours, about 7.7 full days, spent commuting.
| Metric | Multnomah County | Oregon Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 22.1 | 20.1 | 22.4 |
| Round-trip commute (min) | 44.2 | 40.3 | 44.8 |
| Yearly time spent (hours) | 184 | 168 | 187 |
| Estimated yearly cost | $5,715 | $5,203 | $5,790 |
| Work from home | 26.1% | 19.0% | 15.0% |
| Highway traffic (vehicles/day) | 16,620 | 7,643 | 8,813 |
| Local road traffic (vehicles/day) | 2,813 | 967 | 1,355 |
Fastest commutes among counties in
Oregon:
Lake County (7.7 min), Harney County (8.6 min), Baker County (8.9 min).
Slowest:
Columbia County (31.7 min), Clackamas County (23.9 min), Polk County (22.2 min).
The average commute time in Multnomah County is 22 minutes, longer than the 20 minutes in Oregon.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Multnomah County has a education index of A, which means it is very educated.
| Metric | Multnomah County | Oregon Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 44.6% | 32.7% | 31.6% |
| Average household size | 2.23 | 2.41 | 2.53 |
Highest education index among counties in
Oregon:
Benton County (0.4), Multnomah County (0.4), Washington County (0.4).
Lowest:
Morrow County (0.2), Malheur County (0.2), Gilliam County (0.2).
Health
Multnomah County has a health index of A, which means it is very healthy.
| Metric | Multnomah County | Oregon Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 78.9 | 78.8 | 78.3 |
| Self-rated poor health | 11.6% | 15.8% | 16.3% |
| Smokers | 15.1% | 17.0% | 19.0% |
Highest health index among counties in
Oregon:
Benton County (0.8), Washington County (0.8), Clackamas County (0.8).
Lowest:
Josephine County (0.8), Malheur County (0.8), Lake County (0.8).
Multnomah County, OR Compared With Nearby Counties
Multnomah County, OR is the largest of the 5 counties compared here, 801,042 residents against a local median of 470,101. Nothing separates Multnomah County, OR sharply from the counties around it. Each measure below lands within 15% of the local median, close enough that the differences are within what survey sampling alone would produce.
The largest of those small differences is median household income, 11% below the local median at $89,512 against $100,767. Multnomah County, OR has the 4th highest median household income of the 5 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Multnomah County, OR | 801,042 | $89,512 #4/5 | $474,481 #3/5 | 22.1 min #4/5 |
| Clark County, WA | 516,710 | $98,079 | $477,323 | 21.7 min |
| Clackamas County, OR | 423,491 | $103,455 | $536,509 | 23.9 min |
| Marion County, OR | 349,246 | $77,543 | $420,811 | 20.3 min |
| Washington County, OR | 603,920 | $108,282 | $472,684 | 21.5 min |
Frequently Asked Questions
Common questions about Multnomah County, Oregon.
How many people live in Multnomah County, Oregon?
About 801,042 people live in Multnomah County, Oregon, in 349,620 households of 2.2 people on average. The median age is 37.0, close to the U.S. median of 37.3.
Is Multnomah County, Oregon mostly urban or rural?
Averaged over its land area, Multnomah County, Oregon has 1,724 people per square mile, a density typical of urban and suburban areas. That is about 20 times the U.S. average of 86.
Is Multnomah County, Oregon an affordable place to live?
The median home costs 5.3 times the median household income ($474,481 against $89,512), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,646 a month takes about 22% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How educated are people in Multnomah County, Oregon?
44.6% of adults in Multnomah County, Oregon hold a bachelor's degree or higher (about 1 in 2), well above the U.S. share of 31.6%.
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