Clackamas County, Oregon Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 3rd-largest in Oregon
The population of Clackamas County, Oregon is 422,308 as of the 2023 American Community Survey, making it the 3rd-largest county in Oregon. The median household income is $100,360, the median home value is $577,900, and the median age is 42.1.
The population of Clackamas County has grown 13.0% since 2010 (376,799 → 425,857), a +0.88% annualized rate.
422,308
Population
+0.88%
Annual growth
226
People / sq mi
$100,360
Median Income
$577,900
Median Home Value
Clackamas County covers 1,871 sq mi of land at 225.7 people per square mile.
About Clackamas County, OR
In Clackamas County, home values do the distinguishing — a median of $577,900. Clackamas County is a county in Oregon with a population of 422,308. It is the #3-largest of all counties in Oregon nationally.
Earnings sit at the high end: a median household income of $100,360, above the US median of $78,538. Poverty is relatively low for US counties at 5.0%, below the national 12.4%. Housing is expensive: the median home is worth $577,900, with typical rent around $1,693.
The population is unusually well-credentialed for US counties — 39.7% of adults have a four-year degree, above the national 35.0%. Remote work is widespread — 19.0% of workers stay home, above the national 14.0%, and the average commute runs about 27 minutes each way.
High housing values reframe the income picture in Clackamas County — even solid earnings stretch less against home prices and rents at this level.
Clackamas County Population History (2010-2024)
The county of Clackamas County had a population of 376,799 in 2010 and 425,857 in 2024, a 13.0% growth over 14 years. The peak was 425,857 in 2024. Average annual growth rate: 0.88%.
425,857
Population (2024)
376,799
Population (2010)
425,857
Peak (2024)
0.88%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 376,799 |
| 2011 | 379,640 |
| 2012 | 383,159 |
| 2013 | 387,571 |
| 2014 | 393,544 |
| 2015 | 399,852 |
| 2016 | 407,055 |
| 2017 | 412,982 |
| 2018 | 415,586 |
| 2019 | 418,199 |
| 2020 | 422,512 |
| 2021 | 423,892 |
| 2022 | 423,217 |
| 2023 | 424,396 |
| 2024 | 425,857 |
Race & Ethnicity
| White | 80.3% |
| Black or African American | 1.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.4% |
| Two or More Races | 0.1% |
Age & Sex
42.1
Median Age
50.4%
Female
49.6%
Male
19.3%
Age 65+
Age Distribution
Children (under 15): 17.1% · Seniors (65+): 19.3%
Income & Poverty
| Median household income | $100,360+$19,934 vs state |
| Mean household income | $132,196 |
| Per-capita income | $51,666 |
| Poverty rate | 5.0%-2.3% vs state |
| Unemployment rate | 2.9% |
| Employment-to-population | 60.6% |
Top Industries by Employment
The largest employment sector in Clackamas County is professional & business services, accounting for 22.5% of workers.
How residents commute
1.9%
Drive alone
2.4%
Carpool
68.3%
Public transit
19.0%
Work from home
27.0 min
Avg commute
Housing
$577,900+$123,700 vs state
Median home value
$1,693
Median rent
71.3%
Homeownership rate
172,599
Total housing units
94.3%
Occupied
5.7%
Vacant
28.7%
Renter-occupied
Social & access
94.9%
With health insurance
96.8%
With broadband internet
37.5%
Foreign-born
6.8%
Veterans (18+)
12.7%
With a disability
87.8%
Speak language other than English at home
Education
94.7%
High School+
39.7%
Bachelor's+
Largest cities in Oregon
Other counties in Oregon
Part of Oregon
Metro areas in Oregon
County rankings
Common questions about Clackamas County, OR
Frequently Asked Questions
Clackamas County, Oregon has a population of 422,308 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 3rd-largest county in Oregon. Population density is 226 people per square mile.
The population of Clackamas County has grown 13.0% since 2010 (376,799 → 425,857), a +0.88% annualized rate.
The median household income in Clackamas County, Oregon is $100,360, with mean (average) household income of $132,196 and per-capita income of $51,666. 5.0% of residents live below the federal poverty level.
In Clackamas County, the largest racial and ethnic groups are White (80.3%), Hispanic or Latino (2.4%), Black or African American (1.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Clackamas County, Oregon is 42.1 years. Residents are 50.4% female and 49.6% male.
The median home value in Clackamas County is $577,900 and median monthly rent is $1,693. 71.3% of occupied housing units are owner-occupied. The county has 172,599 total housing units, 5.7% of which are vacant.
The largest employment sector in Clackamas County, Oregon is professional, scientific, and management services, employing 22.5% of workers. The unemployment rate is 2.9%.
Portland is among the largest cities associated with Clackamas County, Oregon, with a population of 642,715.
Clackamas County, OR Climate
Clackamas County, OR has an average annual temperature of 7.5°C (46°F) and receives about 2398 mm of precipitation per year. The warmest month is August and the coldest is December. Figures are 1970–2000 climate normals.
7.5°C
Avg Temp
2398
Precip (mm/yr)
Aug
Hottest Month
Dec
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 2° / 35° | 369 mm |
| February | 2° / 36° | 278 mm |
| March | 3° / 38° | 255 mm |
| April | 5° / 41° | 182 mm |
| May | 8° / 47° | 131 mm |
| June | 12° / 53° | 91 mm |
| July | 15° / 59° | 32 mm |
| August | 15° / 60° | 48 mm |
| September | 13° / 55° | 103 mm |
| October | 9° / 48° | 176 mm |
| November | 4° / 39° | 347 mm |
| December | 2° / 35° | 386 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Clackamas County, OR
The most comfortable months to visit Clackamas County, OR are typically July, August and September, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 22°C high). The coldest is December (near -1°C low). December is usually the wettest month.
Where to stay near Clackamas County
Visiting or relocating to Clackamas County, OR? Compare hotels and short-term rentals across the county — live availability and prices.
Top-rated places to stay near Clackamas County
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a move to Clackamas County?
Get relocation and cost-of-living insights for Clackamas County, OR by email. No spam, unsubscribe anytime.
More from Oregon
Population 803,863
Population 600,266
Population 382,628
Population 346,532
Full rankings of Oregon counties
Statewide data for Oregon
Population, race, income, age, and trends across Oregon
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.