Skip to main content
County ProfileOR

Polk County

Population: 87,433 · 19 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
87,433
People
Median age
37.8
Housing
Total households
32,986
Income
Median household income
$85,118
Housing
Total housing units
34,867
Employment
Employment rate
56.3%
Education
Bachelor’s degree or higher
31.2%
Healthcare
Insured population
95.1%
County details
Local time 01:43:54(PT)
NamePolk
Total ZIP codes19total
ZIP codes (by type)
13 Standard2 PO Box4 Unique
Area code503, 971
TimezonePacific Time (PT)
Coordinates44.9003723, -123.3986397
Land area740.9 sq miles(1,919 km²)

Map of Polk county, Oregon with ZIP codes

Map of Polk County, Oregon and ZIP codes

Cities and Communities in Polk County

Compare the largest cities in Polk County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Salem175,535$75,48713ZIPs
Dallas16,854$71,5491ZIPs
Monmouth11,110$69,1701ZIPs
Independence9,828$85,3751ZIPs
Grand Ronde2,010$52,6691ZIPs
Falls City1,051$51,2501ZIPs
Rickreall761ZIPs

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in Polk County

Review the most populated postal areas across Polk County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
97301Salem$60,42256,393
97305Salem$66,32644,535
97303Salem$84,87141,441
97302Salem$85,83339,776
97306Salem$101,75334,715
97304Salem$98,03134,102
97317Salem$84,39325,852
97338Dallas$78,85822,741
97361Monmouth$69,50513,412
97351Independence$88,51911,292
97347Grand Ronde$52,5002,187
97344Falls City$59,0001,189
97310Salem1,150
97371Rickreall719
97308Salem
97309Salem
97311Salem
97312Salem
97314Salem

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS