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Polk County, OR Demographics

Polk County, OR is the 13th most populous of 36 counties in Oregon, with 87,433 residents across 741 square miles. That is about 118 people per square mile.

At the 2020 census

Population 87,433
Land area 741 sq mi
Density 118 / sq mi

Data: 2020 Census · American Community Survey 2024

How Polk County compares to the US

We're computing this county's comparison table — check back shortly. Population, land area, and density above are already exact.

Central Location: Polk County, OR

Measured from the county's main population center using 2020 census blocks.

We're computing the drive-time and radius areas around Polk County, OR — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.

Census tracts in Polk County, OR

Name Population Sq mi Per sq mi
Census Tract 203.05 8,792 3.8 2,300
Census Tract 52.05 8,747 1.7 5,089
Census Tract 53.01 8,524 13.2 644
Census Tract 203.04 8,074 2.1 3,810
Census Tract 202.02 7,477 14.8 504
Census Tract 205 7,243 97.7 74
Census Tract 204 6,608 421.1 16
Census Tract 52.03 6,406 1.1 5,968
Census Tract 202.04 5,010 23.5 213
Census Tract 203.03 4,728 17.3 273
Census Tract 52.04 3,813 1.5 2,467
Census Tract 202.03 3,051 0.9 3,499
Census Tract 52.06 2,629 1.4 1,893
Census Tract 51 2,234 0.4 5,811
Census Tract 53.02 2,109 55.0 38
Census Tract 203.06 1,988 85.3 23

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About this page

This page shows demographics for a US county from the 2020 census and the American Community Survey: population, land area, density, urban share, and how the county compares to national averages for income, housing, age, and more.

Counties subdivide into census tracts, listed below with their populations. The drive-time and radius tables measure the population around the county's main population center.

Read how BlockAtlas computes population within an area →