Marion County, OR Population Statistics: Density Map Data
Analyze local population trends, population density map, housing costs, and the local economy.
Area Snapshot Statistics
Key statistics on population, economy, housing, and commuting compared to state and national averages. Explore interactive maps for deeper analysis.
Population: density and quick facts
| Metric | Marion County | Oregon Avg | U.S. Average |
|---|---|---|---|
| Population | 348,073 | 4,237,185 | 334,821,731 |
| Population density (per sq mi) | 292.5 | 43.0 | 85.8 |
| Population growth (%/yr) | 0.85% | 0.88% | 0.57% |
| Median age | 38.4 | 40.3 | 37.1 |
| Households | 125,412 | 1,701,186 | 128,459,983 |
Population in Marion County grew by 11.7% from 2009 to 2023, reaching 346,534 in 2023.
Population Growth 2009–2023
Race & Ethnicity
Economy
Marion County has a the economy index of C, which means it is somewhat prosperous.
| Metric | Marion County | Oregon Avg | U.S. Average |
|---|---|---|---|
| Median household income | $74,668 | $80,923 | $78,145 |
| Income growth (%/yr) | 5.65% | 6.04% | 5.07% |
| Unemployment rate | 5.2% | 5.4% | 5.2% |
The median household income in Marion County is about 8% lower than in Oregon.
Housing
| Metric | Marion County | Oregon Avg | U.S. Average |
|---|---|---|---|
| Median home price | $337,330 | $406,286 | $242,182 |
| Median rent | $1,333 | $1,449 | $1,342 |
| Homeownership rate | 62.2% | 63.4% | 65.1% |
The median home price in Marion County is about 21.1 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,333 per month for that long.
Commute Time & Mobility
Commuters in Marion County spend about 41 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 169 hours, about 7.0 full days, spent commuting.
| Metric | Marion County | Oregon Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 20.3 | 20.3 | 22.5 |
| Round-trip commute (min) | 40.6 | 40.5 | 44.9 |
| Yearly time spent (hours) | 169 | 169 | 187 |
| Estimated yearly cost | $5,239 | $5,236 | $5,803 |
| Work from home | 11.7% | 17.0% | 13.4% |
| Highway traffic (vehicles/day) | 12,779 | 7,643 | 8,813 |
| Local road traffic (vehicles/day) | 1,144 | 967 | 1,355 |
Fastest commutes among counties in
Oregon:
Lake County (7.8 min), Gilliam County (8.4 min), Harney County (8.8 min).
Slowest:
Columbia County (32.4 min), Clackamas County (25.2 min), Polk County (22.8 min).
The average commute time in Marion County is about the same as 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
Marion County has a education index of D, which means it is barely educated.
| Metric | Marion County | Oregon Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 22.7% | 32.7% | 31.6% |
| Average household size | 2.68 | 2.44 | 2.54 |
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
Marion County has a health index of B, which means it is quite healthy.
| Metric | Marion County | Oregon Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 79.3 | 78.8 | 78.3 |
| Self-rated poor health | 16.0% | 15.8% | 16.3% |
| Smokers | 16.2% | 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).
Frequently Asked Questions
Common questions about Marion County, Oregon.
What is the population of Marion County, Oregon?
The population of Marion County, Oregon is 348,073, compared to the U.S. total of 334,821,731.
What is the population density of Marion County, Oregon?
The population density of Marion County, Oregon is 292.5 people per square mile, compared to the U.S. average of 85.8 people per square mile.
What is the median household income in Marion County, Oregon?
The median household income in Marion County, Oregon is $74,668, compared to the U.S. median of $78,145.
What is the median home price in Marion County, Oregon?
The median home price in Marion County, Oregon is $337,330, compared to the U.S. median of $242,182.
What is the unemployment rate in Marion County, Oregon?
The unemployment rate in Marion County, Oregon is 5.2%, compared to the U.S. average of 5.2%.