Population
426,280
2025
+0.9% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
Clackamas County had an estimated 426,280 residents in 2025, up 0.9% (3,797 more people) since 2020. That is faster than Oregon as a whole (+0.7%), and the 17th fastest growth of 36 counties in Oregon.
Data as of 2025 · updated
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426,280
2025
+0.9% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
+629
2025
1.5 per 1,000 residents
+1,833 in total, 2021–2025
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. People moving in from other U.S. counties minus people moving out.
4.9%
2025
+1.5 pts since 2019
Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics, 2025. Annual average unemployment rate.
1,235
2025
−31.5% since 2021
2.9 per 1,000 residents
Source: U.S. Census Bureau, Building Permits Survey, 2025. Housing units authorized by building permits in the year.
$103,517
2020–24
+24.9% since 2016–20
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–24. American Community Survey 5-year estimate.
158,159
2023
+6.1% since 2018
Source: U.S. Census Bureau, County Business Patterns, 2023. Paid employees of private employers in mid-March (County Business Patterns).
Net domestic migration added 629 people in 2025: more people moved in from other U.S. counties than moved out.
Private employers had 158,159 paid employees in mid-March 2023, +6.1% since 2018 (County Business Patterns).
Unemployment averaged 4.9% in 2025, 1.5 points higher than in 2019 (before the pandemic).
Builders were authorized to start 1,235 new homes in 2025, or 2.9 per 1,000 residents.
Median household income was $103,517 in the 2020–24 American Community Survey, +24.9% since 2016–20.
Across the 3,107 U.S. counties with a comparable estimate, its population growth ranks 1,602nd.
Part of the Portland-Vancouver-Hillsboro, OR-WA metro area.
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| Year | Population | Change |
|---|---|---|
| 2025 | 426,280 | +1,035 |
| 2024 | 425,245 | +1,169 |
| 2023 | 424,076 | +978 |
| 2022 | 423,098 | −779 |
| 2021 | 423,877 | +1,394 |
| 2020 | 422,483 | – |
Census Bureau population estimates, July 1 of each year.
Clackamas County grew by 3,797 people since 2020; the largest part came from international migration (+3,230).
| Component | 2025 | 2020–25 | Share |
|---|---|---|---|
| Natural changebirths minus deaths | −180 | −1,311 | |
| International migrationfrom and to other countries | +578 | +3,230 | |
| Domestic migrationfrom and to other U.S. counties | +629 | +1,833 | |
| Census adjustmentbalancing residual | +8 | +45 | |
| Total change | +1,035 | +3,797 |
Census Bureau population estimates, components of change, each year July 1 to June 30. The components add up to the change in the estimate; the Census adjustment is the small balancing figure the Bureau publishes.
| Measure | In Oregon | Among U.S. counties |
|---|---|---|
| Population growth | 17th of 36 | 1,602nd of 3,107 |
| Net domestic migration per 1,000 residents | 21st of 36 | 1,656th of 3,108 |
| Private-sector job growth | 14th of 36 | 1,077th of 3,092 |
| Median household income | 2nd of 36 | 136th of 3,107 |
| Lowest unemployment rate | 6th of 36 | 2,464th of 3,108 |
| New homes permitted per 1,000 residents | 15th of 34 | 1,151st of 3,005 |
1st = highest (lowest for unemployment). Counties are ranked only against others with a figure for the same period.
The County Growth and Demographics Report for Clackamas County, OR as a PDF, from federal data: population and migration, housing and rents, permits, private employers and jobs, unemployment, ranks in the state and the country, and neighbouring counties, with a source next to every number. Pay once, no subscription.
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Over 2020–25, Clackamas County's population change (+0.9%) was ahead of 3 of its 6 neighbouring counties and behind 3.
Only Washington County had a higher median household income (2020–24) among its 6 neighbouring counties; Clackamas County's was $103,517.
| County | Population2025 | Population change2020–25 | Net domestic migration per 1,000 residents2025 | Homes permitted per 1,000 residents2025 | Median household income2020–24 |
|---|---|---|---|---|---|
| Clackamas County, OR This county | 426,280 | +0.9% | 1.5 | 2.9 | $103,517 |
| Multnomah County, OR | 795,391 | −2.6% | −2.4 | 2.0 | $88,766 |
| Marion County, OR | 355,777 | +2.7% | 1.8 | 3.7 | $77,351 |
| Hood River County, OR | 23,720 | −0.7% | −0.5 | 7.6 | $88,947 |
| Washington County, OR | 611,708 | +1.8% | −3.4 | 3.1 | $107,772 |
| Yamhill County, OR | 110,024 | +2.2% | −2.4 | 1.9 | $90,063 |
| Wasco County, OR | 26,310 | −1.1% | −1.7 | 1.5 | $64,175 |
Census Bureau population estimates and building permits, American Community Survey 5-year income. Rates per 1,000 residents. – means no figure, or a base too small for a change or rate (it would swing on a few people). A figure from another period shows its year and is left out of the comparison.
Yes. Its population grew 0.9% between 2020 and 2025, about 3,797 more people (Census Bureau population estimates). Oregon as a whole changed +0.7% over the same years. That ranks 17th of 36 counties in Oregon for population growth.
On net, about 629 people in 2025: that many more moved in from other U.S. counties than moved out (Census Bureau net domestic migration estimate).
It averaged 4.9% in 2025 (BLS Local Area Unemployment Statistics, annual average).
About 426,280 people, according to the U.S. Census Bureau's population estimate for July 1, 2025.
Private employers there had 158,159 paid employees in mid-March 2023, +6.1% since 2018 (Census Bureau County Business Patterns; government jobs and the self-employed are not counted).
Map, parcel and listing layers cover North and South Carolina only for now. This page and the other Oregon county pages carry the public federal growth figures.
Email me when Clackamas County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
Each number shows its own period. Changes compare the latest period with five years earlier (or the earliest period available). Beacon CRE last refreshed these figures on 2026-11-05. Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how we compute every number. More on every layer: data sources and licences.
Jobs outside North and South Carolina use County Business Patterns (paid private-sector employees in mid-March); wages and government jobs are not included.