Checked
Polk County, OR
8 cities and towns and 6 ZIP codes in Polk County, Oregon.
Population
89,662
Land area
741sq mi
People per sq mi
121
ZIP codes
6
Cities and towns in Polk County
Polk County at a glance
- Polk County is about 2.7 times as dense as Oregon as a whole.
- The median household income is $85,118, close to the Oregon median.
- A typical owner-occupied home is valued at $454,700 (5% below Oregon) and median rent is $1,299 a month.
- The biggest population centers are Dallas (17,531), Monmouth (11,428) and Independence (10,199).
Local data for Polk County, OR
Counts from official public data
Housing and community stats
Polk County, OR, American Community Survey 2020-2024
Median household income
$85,118
Poverty rate
12.7%
Median home value
$454,700
Prices +2.8% in a year
Median rent
$1,299/mo
Homeownership
64.7%
Bachelor's or higher
31.2%
Median age
37.8
Average commute
25.3 min
Largest reported origins and ancestries: German Americans (16,854), Mexican Americans (11,373), Irish Americans (9,242).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
5.0%
Aug 2026, -0.2 pts in a year
Average annual pay
$54,279
21,174 jobs, 2025
Income per person
$57,251
BEA, 2024
Federal spending
$582M
FY 2026, $6,655 per person
PPP loans
$93.99M
1,232 loans, 11,908 jobs reported
Campaign donations
$402K
Itemized, 2026 cycle
How people get to work
Polk County, OR, workers 16 and older. American Community Survey 5-year estimates
- Drove alone66.9%
- Carpooled10.2%
- Public transit0.4%
- Walked3.3%
- Bicycle0.6%
- Taxi, ride-hailing, motorcycle or other1.1%
- Worked from home17.5%
Average one-way commute: 25.3 minutes for people who do not work from home.
Environment and hazard risk
Polk County, OR, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: earthquake
Storm events since 1996
64
Most often flood
Flood insurance policies
359
1.2% of homes, county
July high / Jan low
80° / 33°F
81.2 inches of rain a year
Hazards, floods and storm historyCheck a flood zone27 historic places
Health statistics
Share of adults in Polk County, OR, CDC PLACES estimates
Obesity
32.5%
U.S. 33.3% -0.8 pts
Diabetes
10.9%
U.S. 12.1% -1.2 pts
Smoking
11.8%
U.S. 12.8% -1.0 pts
Uninsured (18-64)
8.9%
U.S. 11.1% -2.2 pts
Cities, towns and ZIP codes in Polk County
Population shown
Frequently asked questions
- What is the largest city in Polk County, OR?
- Dallas is the largest city or town in Polk County, with about 17,531 residents.
- How many ZIP codes are in Polk County?
- Polk County includes 6 ZIP Code Tabulation Areas, including 97304, 97338, 97344, 97351, 97361.
- What is the population of Polk County, OR?
- About 89,662 people live in Polk County, based on American Community Survey 5-year estimates.
- What counties border Polk County?
- Polk County borders Marion County, Linn County, Yamhill County, Benton County, Lincoln County, Tillamook County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023