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
Housing cost is the defining feature of Polk County: the median home is valued at $419,500. Polk County is a county in Oregon with a population of 88,553. It ranks #12 among counties in Oregon by population.
Households take in a median $81,318, comfortably near the US median of $78,538. The poverty rate is 8.5%, below the national 12.4%. Housing is expensive: the median home is worth $419,500, with typical rent around $1,270.
Educational attainment is on the higher side for US counties — 30.6% of adults hold a four-year degree, below the national 35.0%. Remote work is widespread — 16.0% of workers stay home, above the national 14.0%, and the average commute runs about 26 minutes each way.
High housing values reframe the income picture in Polk County — even solid earnings stretch less against home prices and rents at this level.
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.