Polk County, Oregon Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 12th-largest in Oregon
The population of Polk County, Oregon is 88,553 as of the 2023 American Community Survey, making it the 12th-largest county in Oregon. The median household income is $81,318, the median home value is $419,500, and the median age is 37.6.
The population of Polk County has grown 19.9% since 2010 (75,540 → 90,549), a +1.30% annualized rate.
88,553
Population
+1.30%
Annual growth
120
People / sq mi
$81,318
Median Income
$419,500
Median Home Value
Polk County covers 741 sq mi of land at 119.5 people per square mile.
About Polk County, OR
Polk County is a county in Oregon with a population of 88,553. It ranks #12 among counties in Oregon by population. The median age is 37.6, younger than the national median. The population is 49.2% male and 50.8% female.
The median household income in Polk County is $81,318, above the US median of $74,580. 8.5% of residents live below the federal poverty level. Home values sit at a median of $419,500, with monthly rent averaging $1,270. The homeownership rate of 64.6% is close to the national rate of 64.8%.
Educational attainment in Polk County reflects 30.6% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 16.0% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 26.3 minutes each way.
Polk County Population History (2010-2024)
The county of Polk County had a population of 75,540 in 2010 and 90,549 in 2024, a 19.9% growth over 14 years. The peak was 90,549 in 2024. Average annual growth rate: 1.31%.
90,549
Population (2024)
75,540
Population (2010)
90,549
Peak (2024)
1.31%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 75,540 |
| 2011 | 75,942 |
| 2012 | 76,227 |
| 2013 | 76,568 |
| 2014 | 77,702 |
| 2015 | 79,012 |
| 2016 | 81,496 |
| 2017 | 83,707 |
| 2018 | 84,854 |
| 2019 | 85,851 |
| 2020 | 88,003 |
| 2021 | 89,480 |
| 2022 | 89,986 |
| 2023 | 90,290 |
| 2024 | 90,549 |
Race & Ethnicity
| White | 79.8% |
| Black or African American | 0.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 4.9% |
| Two or More Races | 0.0% |
Age & Sex
37.6
Median Age
50.8%
Female
49.2%
Male
18.8%
Age 65+
Age Distribution
Children (under 15): 17.8% · Seniors (65+): 18.8%
Income & Poverty
| Median household income | $81,318+$892 vs state |
| Mean household income | $104,766 |
| Per-capita income | $39,423 |
| Poverty rate | 8.5%+1.2% vs state |
| Unemployment rate | 3.1% |
| Employment-to-population | 56.6% |
Top Industries by Employment
The largest employment sector in Polk County is professional & business services, accounting for 26.5% of workers.
How residents commute
0.6%
Drive alone
2.9%
Carpool
68.9%
Public transit
16.0%
Work from home
26.3 min
Avg commute
Housing
$419,500$-34,700 vs state
Median home value
$1,270
Median rent
64.6%
Homeownership rate
34,446
Total housing units
94.6%
Occupied
5.4%
Vacant
35.4%
Renter-occupied
Social & access
94.9%
With health insurance
95.9%
With broadband internet
39.9%
Foreign-born
9.0%
Veterans (18+)
16.4%
With a disability
88.7%
Speak language other than English at home
Education
91.8%
High School+
30.6%
Bachelor's+
Largest cities in Oregon
Other counties in Oregon
Part of Oregon
Metro areas in Oregon
County rankings
Frequently Asked Questions
Polk County, Oregon has a population of 88,553 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 12th-largest county in Oregon. Population density is 120 people per square mile.
The population of Polk County has grown 19.9% since 2010 (75,540 → 90,549), a +1.30% annualized rate.
The median household income in Polk County, Oregon is $81,318, with mean (average) household income of $104,766 and per-capita income of $39,423. 8.5% of residents live below the federal poverty level.
In Polk County, the largest racial and ethnic groups are White (79.8%), Hispanic or Latino (4.9%), Black or African American (0.8%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Polk County, Oregon is 37.6 years. Residents are 50.8% female and 49.2% male.
The median home value in Polk County is $419,500 and median monthly rent is $1,270. 64.6% of occupied housing units are owner-occupied. The county has 34,446 total housing units, 5.4% of which are vacant.
The largest employment sector in Polk County, Oregon is professional, scientific, and management services, employing 26.5% of workers. The unemployment rate is 3.1%.
Portland is among the largest cities associated with Polk County, Oregon, with a population of 642,715.
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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.