Polk County Demographics

A map of Polk County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	66,254	64,719	73.9%	74.0%
Hispanic	13,990	12,730	15.6%	14.6%
Multiracial	5,123	5,265	5.7%	6.0%
Native American/Other	2,048	2,335	2.3%	2.7%
Asian	1,666	1,702	1.9%	1.9%
Black	581	682	0.6%	0.8%

Polk County, Oregon has an estimated population of 89,662, a slight increase from the 87,433 recorded in the 2020 Census. The population is 73.9% White, 15.6% Hispanic, 5.7% Multiracial, 2.3% Native American/Other, 1.9% Asian, and 0.6% Black. This demographic dot map shows the population of Polk County, with one dot drawn for each person counted by the Census, color-coded by race.

Polk is about as racially diverse as it was in the 2020 Census. It is less diverse than Oregon overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Polk County, that probability was 42.6% in 2020 and 42.5% in the most recent ACS estimates.

Polk County is ranked the 12th most populous county in Oregon, out of 36 counties. Polk County was ranked the 13th most populous county in the 2020 Census.

Polk County's White Population

66,254 residents of Polk County, or 73.9% of the population, identify as White. The share of White residents in Polk County is slightly higher than in Oregon overall, where 71.4% of the population is White. Polk County ranks 26th statewide in terms of White residents as a share of the population, out of 36 counties.

Since the 2020 Census, Polk County's White population has grown by an estimated 2.4%. White residents' share of Polk County's population has remained roughly unchanged at 73.9%.

Polk County is more White than neighboring Yamhill County (72.7% White), and Washington County (60% White). Polk County is less White than neighboring Benton County (76.2% White), Lincoln County (78.3% White), and Tillamook County (81.3% White).

Polk County's Black Population

581 residents of Polk County, or 0.6% of the population, identify as Black. The share of Black residents in Polk County is comparable to the share in Oregon overall, where 1.8% of the population is Black. Polk County ranks 10th statewide in terms of Black residents as a share of the population, out of 36 counties.

Since the 2020 Census, Polk County's Black population has declined by an estimated 14.8%. Black residents' share of Polk County's population has remained roughly unchanged at 0.6%.

Polk County is more Black than neighboring Lincoln County (0.4% Black). Polk County is less Black than neighboring Yamhill County (0.7% Black), Benton County (1.1% Black), Tillamook County (0.8% Black), and Washington County (2.2% Black).

Polk County's Asian Population

1,666 residents of Polk County, or 1.9% of the population, identify as Asian. The share of Asian residents in Polk County is slightly lower than in Oregon overall, where 4.4% of the population is Asian. Polk County ranks 7th statewide in terms of Asian residents as a share of the population, out of 36 counties.

Since the 2020 Census, Polk County's Asian population has declined by an estimated 2.1%. Asian residents' share of Polk County's population has remained roughly unchanged at 1.9%.

Polk County is more Asian than neighboring Lincoln County (1.2% Asian), and Tillamook County (0.8% Asian). Polk County is less Asian than neighboring Benton County (6.6% Asian), and Washington County (11.4% Asian).

Polk County's Hispanic Population

13,990 residents of Polk County, or 15.6% of the population, identify as Hispanic. The share of Hispanic residents in Polk County is comparable to the share in Oregon overall, where 14.7% of the population is Hispanic. Polk County ranks 10th statewide in terms of Hispanic residents as a share of the population, out of 36 counties.

Since the 2020 Census, Polk County's Hispanic population has grown by an estimated 9.9%. Hispanic residents' share of Polk County's population has increased from 14.6% to 15.6%.

Polk County is more Hispanic than neighboring Benton County (9.4% Hispanic), Lincoln County (10.3% Hispanic), and Tillamook County (11.4% Hispanic). Polk County is less Hispanic than neighboring Yamhill County (17.6% Hispanic), and Washington County (18.6% Hispanic).

Polk County's Native American/Other Population

2,048 residents of Polk County, or 2.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Polk County is comparable to the share in Oregon overall, where 1.6% of the population is Native American/Other. Polk County ranks 9th statewide in terms of Native American/Other residents as a share of the population, out of 36 counties.

Since the 2020 Census, Polk County's Native American/Other population has declined by an estimated 12.3%. Native American/Other residents' share of Polk County's population has remained roughly unchanged at 2.3%.

Polk County is more Native American/Other than neighboring Yamhill County (1.6% Native American/Other), Benton County (1.2% Native American/Other), Tillamook County (0.8% Native American/Other), and Washington County (1.3% Native American/Other). Polk County is less Native American/Other than neighboring Lincoln County (2.9% Native American/Other).

Polk County's Multiracial Population

5,123 residents of Polk County, or 5.7% of the population, identify as Multiracial. The share of Multiracial residents in Polk County is comparable to the share in Oregon overall, where 6.1% of the population is Multiracial. Polk County ranks 15th statewide in terms of Multiracial residents as a share of the population, out of 36 counties.

Since the 2020 Census, Polk County's Multiracial population has declined by an estimated 2.7%. Multiracial residents' share of Polk County's population has remained roughly unchanged at 5.7%.

Polk County is more Multiracial than neighboring Yamhill County (5.4% Multiracial), Benton County (5.5% Multiracial), and Tillamook County (5% Multiracial). Polk County is less Multiracial than neighboring Lincoln County (7% Multiracial), and Washington County (6.5% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.