• county
  • FIPS 41005
  • Largest town: Oregon City

Clackamas County, Oregon

Clackamas County had 425,857 residents in the Census Vintage 2024 estimate, on 1,870.7 square miles of land. It ranks 3rd of 36 in Oregon by population and 18th by land area.

Population
425,857
#3 of 36 in Oregon · #179 in US
Area
1,870.7 sq mi
#18 of 36 in Oregon · #306 in US
Density
228 / sq mi
#4 of 36 in Oregon · #527 in US
Median household income
$100,376
#2 of 36 in Oregon · #131 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Clackamas County within Oregon. Pin: Salem.

Clackamas County population, land area and income

Clackamas County had 425,857 residents in the Census Vintage 2024 estimate, on 1,870.7 square miles of land. It ranks 3rd of 36 in Oregon by population and 18th by land area. That works out to 227.6 people per square mile, 2.4 times the US average of 96.3, and in the top quarter nationally.

The median county-equivalent in Oregon has 46,128 residents, so Clackamas County is 9.2 times that size.

Its SAIPE 2023 median household income of $100,376 is in the top tenth among 3,143 counties with an estimate.

National rank among 3,144

Population

425,857

3144th1st

179th of 3,144 (US)

Land area

1,871 sq mi

3144th1st

306th of 3,144 (US)

Density

227.6 / sq mi

3144th1st

527th of 3,144 (US)

Median household income

$100,376

3143rd1st

131st of 3,143 (US)

Rank within Oregon (36)

Population

425,857

36th1st

3rd of 36 (OR)

Land area

1,871 sq mi

36th1st

18th of 36 (OR)

Density

227.6 / sq mi

36th1st

4th of 36 (OR)

Median household income

$100,376

36th1st

2nd of 36 (OR)

How Clackamas County's population changed since 2020

Clackamas County gained 3,345 residents between the July 2020 and July 2024 estimates, a rise of 0.8%. That ranks 18th of 36 in Oregon for growth. The median Oregon county changed by +0.8%, and the state as a whole by +0.7%.

Since the April 2020 estimates base, Clackamas County recorded 15,707 births and 16,686 deaths, a natural change of -979. Net international migration added +3,167 and net domestic migration, people moving to or from other US counties, came to +2,151. The largest single component was international migration, which added 3,167 people.

422.5k2020423.9k2021423.2k2022424.4k2023425.9k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
15,707
Deaths
16,686
Net international migration
+3,167
Net domestic migration
+2,151
Change, July 2023 to July 2024
+1,461

Where Clackamas County is

The Census internal point of Clackamas County is at 45.160500, -122.195100. It sits in UTM zone 10N. The map shades Oregon's 36 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Clackamas County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Clackamas County

13 incorporated places of 1,000+ people have residents in Clackamas County, 240,215 people together, or 56% of the county. Each figure counts only the part of the town inside Clackamas County; towns marked "part" extend into another county. The largest is Oregon City with 38,327.

  1. 01Oregon City38,327
  2. 02Lake Oswego (part)37,521
  3. 03Happy Valley28,969
  4. 04West Linn26,597
  5. 05Wilsonville (part)24,531
  6. 06Milwaukie21,620
  7. 07Canby18,027
  8. 08Sandy12,990
  9. 09Gladstone11,898
  10. 10Molalla10,134
  11. 11Estacada5,591
  12. 12Tualatin (part)3,161
  13. 13Portland (part)849
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Clackamas County

The Census 2024 county adjacency file lists 6 neighbors for Clackamas County. The most populous is Multnomah County, OR, with 795,897 residents. Distances run between Census internal points in a straight line.

Distance to Salem and the nearest big city

Salem is 43.5 miles WSW of Clackamas County's internal point in a straight line. The nearest place of 100,000 or more is Gresham, OR (population 111,507), 26.5 miles away. The nearest place of 10,000 or more is Sandy, OR (population 12,990), 16.8 miles away.

Clackamas County FIPS code

The FIPS code of Clackamas County is 41005: state code 41 for Oregon plus county code 005. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $100,376.

Questions people ask

What is the population of Clackamas County, Oregon?

The Census Vintage 2024 estimate for July 1, 2024 is 425,857. That is up 3,345 people (0.8%) from the July 2020 estimate of 422,512.

What is the FIPS code of Clackamas County?

41005. The first two digits (41) are Oregon; the last three (005) identify the county.

What is the largest town in Clackamas County?

Oregon City, with 38,327 residents inside Clackamas County in 2024.

Which counties border Clackamas County?

6 county-equivalents border it in the Census 2024 adjacency file: Multnomah County, OR; Washington County, OR; Marion County, OR; Yamhill County, OR; Wasco County, OR; Hood River County, OR.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.