• county
  • FIPS 41053
  • Largest town: Salem

Polk County, Oregon

Polk County had 90,549 residents in the Census Vintage 2024 estimate, on 740.9 square miles of land. It ranks 12th of 36 in Oregon by population and 30th by land area.

Population
90,549
#12 of 36 in Oregon · #668 in US
Area
740.9 sq mi
#30 of 36 in Oregon · #1,193 in US
Density
122 / sq mi
#7 of 36 in Oregon · #787 in US
Median household income
$79,970
#8 of 36 in Oregon · #476 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Polk County within Oregon. Pin: Salem.

Measure from here

Tools and pages that start from Polk County

Polk County population, land area and income

Polk County had 90,549 residents in the Census Vintage 2024 estimate, on 740.9 square miles of land. It ranks 12th of 36 in Oregon by population and 30th by land area. That works out to 122.2 people per square mile, 1.3 times the US average of 96.3, and in the top quarter nationally.

The median county-equivalent in Oregon has 46,128 residents; Polk County is somewhat larger.

Its SAIPE 2023 median household income of $79,970 is in the top quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

90,549

3144th1st

668th of 3,144 (US)

Land area

741 sq mi

3144th1st

1193rd of 3,144 (US)

Density

122.2 / sq mi

3144th1st

787th of 3,144 (US)

Median household income

$79,970

3143rd1st

476th of 3,143 (US)

Rank within Oregon (36)

Population

90,549

36th1st

12th of 36 (OR)

Land area

741 sq mi

36th1st

30th of 36 (OR)

Density

122.2 / sq mi

36th1st

7th of 36 (OR)

Median household income

$79,970

36th1st

8th of 36 (OR)

How Polk County's population changed since 2020

Polk County gained 2,546 residents between the July 2020 and July 2024 estimates, a rise of 2.9%. That ranks 7th of 36 in Oregon for growth. The median Oregon county changed by +0.8%, and the state as a whole by +0.7%.

Since the April 2020 estimates base, Polk County recorded 3,758 births and 3,791 deaths, a natural change of -33. Net international migration added +615 and net domestic migration, people moving to or from other US counties, came to +2,637. The largest single component was domestic migration, which added 2,637 people.

88.0k202089.5k202190.0k202290.3k202390.5k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
3,758
Deaths
3,791
Net international migration
+615
Net domestic migration
+2,637
Change, July 2023 to July 2024
+259

Where Polk County is

The Census internal point of Polk County is at 44.900400, -123.398600. It sits in UTM zone 10N. The map shades Oregon's 36 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Polk County outlined. Dots are towns of 1,000+ people with residents in it.

Grant County: -1.9%Sherman County: +6.9%Wasco County: -0.4%Gilliam County: -2.2%Columbia County: +2.6%Baker County: +0.1%Hood River County: -0.6%Wheeler County: -0.2%Josephine County: +0.1%Crook County: +9.7%Curry County: -3.2%Coos County: -1.0%Jackson County: -1.1%Clackamas County: +0.8%Multnomah County: -2.5%Harney County: -1.4%Union County: -0.4%Wallowa County: +1.6%Lincoln County: +1.4%Yamhill County: +2.9%Klamath County: +1.2%Malheur County: +2.1%Jefferson County: +3.9%Washington County: +1.7%Lane County: -0.5%Umatilla County: +0.7%Lake County: +0.2%Douglas County: +0.9%Clatsop County: -0.3%Deschutes County: +6.0%Morrow County: +1.1%Tillamook County: -0.7%Marion County: +1.9%Polk County: +2.9%Linn County: +2.7%Benton County: +5.6%
Change 2020 to 2024
  1. < -0.7%
  2. < +0.1%
  3. < +1.2%
  4. < +2.7%
  5. ≥ +2.7%
no data

Orange pin: Polk County internal point. Dark pin: Salem.

Internal point

Decimal
44.900400, -123.398600
DMS
44°54'1.44"N 123°23'54.96"W
UTM
10N 468529.8E 4971963.5N
Geohash
9rbprvzgu
Plus code
84PRWJ22+5H

Towns in Polk County

6 incorporated places of 1,000+ people have residents in Polk County, 72,280 people together, or 80% of the county. Each figure counts only the part of the town inside Polk County; towns marked "part" extend into another county. The largest is Salem with 30,422.

  1. 01Salem (part)30,422
  2. 02Dallas17,911
  3. 03Monmouth11,651
  4. 04Independence10,295
  5. 05Falls City1,057
  6. 06Willamina (part)944
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Polk County

The Census 2024 county adjacency file lists 6 neighbors for Polk County. The most populous is Marion County, OR, with 352,867 residents. Distances run between Census internal points in a straight line.

Distance to Salem and the nearest big city

Salem is 18.2 miles E of Polk County's internal point in a straight line. The nearest place of 100,000 or more is Salem, OR (population 180,406), 18.5 miles away. The nearest place of 10,000 or more is Dallas, OR (population 17,911), 4.5 miles away.

Polk County FIPS code

The FIPS code of Polk County is 41053: state code 41 for Oregon plus county code 053. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $79,970.

Questions people ask

What is the population of Polk County, Oregon?

The Census Vintage 2024 estimate for July 1, 2024 is 90,549. That is up 2,546 people (2.9%) from the July 2020 estimate of 88,003.

What is the FIPS code of Polk County?

41053. The first two digits (41) are Oregon; the last three (053) identify the county.

What is the largest town in Polk County?

Salem, with 30,422 residents inside Polk County in 2024 (180,406 across all 2 counties it spans).

Which counties border Polk County?

6 county-equivalents border it in the Census 2024 adjacency file: Marion County, OR; Linn County, OR; Yamhill County, OR; Benton County, OR; Lincoln County, OR; Tillamook County, OR.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.