Tillamook County Demographics

A map of Tillamook County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	22,345	22,000	81.3%	80.3%
Hispanic	3,122	2,946	11.4%	10.8%
Multiracial	1,383	1,623	5.0%	5.9%
Black	218	76	0.8%	0.3%
Native American/Other	216	465	0.8%	1.7%
Asian	212	280	0.8%	1.0%

Tillamook County, Oregon has an estimated population of 27,496, a less than 1% change from the 27,390 recorded in the 2020 Census. The population is 81.3% White, 11.4% Hispanic, 5.0% Multiracial, 0.8% Black, 0.8% Asian, and 0.8% Native American/Other. This demographic dot map shows the population of Tillamook County, with one dot drawn for each person counted by the Census, color-coded by race.

Tillamook has become less racially diverse since the 2020 Census. It is considerably 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 Tillamook County, that probability was 33.9% in 2020 and 32.4% in the most recent ACS estimates.

Tillamook County is ranked the 21st most populous county in Oregon, out of 36 counties. Tillamook County was ranked the 21st most populous county in the 2020 Census.

Tillamook County's White Population

22,345 residents of Tillamook County, or 81.3% of the population, identify as White. The share of White residents in Tillamook County is higher than in Oregon overall, where 71.4% of the population is White. Tillamook County ranks 18th statewide in terms of White residents as a share of the population, out of 36 counties.

Since the 2020 Census, Tillamook County's White population has grown by an estimated 1.6%. White residents' share of Tillamook County's population has increased from 80.3% to 81.3%.

Tillamook County is more White than neighboring Yamhill County (72.7% White), Clatsop County (80.4% White), Polk County (73.9% White), Washington County (60% White), and Lincoln County (78.3% White).

Tillamook County's Black Population

218 residents of Tillamook County, or 0.8% of the population, identify as Black. The share of Black residents in Tillamook County is comparable to the share in Oregon overall, where 1.8% of the population is Black. Tillamook County ranks 29th statewide in terms of Black residents as a share of the population, out of 36 counties.

Since the 2020 Census, Tillamook County's Black population has grown by an estimated 186.8%. Black residents' share of Tillamook County's population has increased from 0.3% to 0.8%.

Tillamook County is more Black than neighboring Yamhill County (0.7% Black), Polk County (0.6% Black), and Lincoln County (0.4% Black). Tillamook County is less Black than neighboring Clatsop County (0.9% Black), and Washington County (2.2% Black).

Tillamook County's Asian Population

212 residents of Tillamook County, or 0.8% of the population, identify as Asian. The share of Asian residents in Tillamook County is slightly lower than in Oregon overall, where 4.4% of the population is Asian. Tillamook County ranks 20th statewide in terms of Asian residents as a share of the population, out of 36 counties.

Since the 2020 Census, Tillamook County's Asian population has declined by an estimated 24.3%. Asian residents' share of Tillamook County's population has remained roughly unchanged at 0.8%.

Tillamook County is less Asian than neighboring Yamhill County (1.9% Asian), Clatsop County (1.2% Asian), Polk County (1.9% Asian), Washington County (11.4% Asian), and Lincoln County (1.2% Asian).

Tillamook County's Hispanic Population

3,122 residents of Tillamook County, or 11.4% of the population, identify as Hispanic. The share of Hispanic residents in Tillamook County is slightly lower than in Oregon overall, where 14.7% of the population is Hispanic. Tillamook County ranks 14th statewide in terms of Hispanic residents as a share of the population, out of 36 counties.

Since the 2020 Census, Tillamook County's Hispanic population has grown by an estimated 6.0%. Hispanic residents' share of Tillamook County's population has increased from 10.8% to 11.4%.

Tillamook County is more Hispanic than neighboring Clatsop County (10% Hispanic), and Lincoln County (10.3% Hispanic). Tillamook County is less Hispanic than neighboring Yamhill County (17.6% Hispanic), Polk County (15.6% Hispanic), and Washington County (18.6% Hispanic).

Tillamook County's Native American/Other Population

216 residents of Tillamook County, or 0.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Tillamook County is comparable to the share in Oregon overall, where 1.6% of the population is Native American/Other. Tillamook County ranks 23rd statewide in terms of Native American/Other residents as a share of the population, out of 36 counties.

Since the 2020 Census, Tillamook County's Native American/Other population has declined by an estimated 53.5%. Native American/Other residents' share of Tillamook County's population has decreased from 1.7% to 0.8%.

Tillamook County is more Native American/Other than neighboring Clatsop County (0.5% Native American/Other). Tillamook County is less Native American/Other than neighboring Yamhill County (1.6% Native American/Other), Polk County (2.3% Native American/Other), Washington County (1.3% Native American/Other), and Lincoln County (2.9% Native American/Other).

Tillamook County's Multiracial Population

1,383 residents of Tillamook County, or 5.0% of the population, identify as Multiracial. The share of Multiracial residents in Tillamook County is comparable to the share in Oregon overall, where 6.1% of the population is Multiracial. Tillamook County ranks 20th statewide in terms of Multiracial residents as a share of the population, out of 36 counties.

Since the 2020 Census, Tillamook County's Multiracial population has declined by an estimated 14.8%. Multiracial residents' share of Tillamook County's population has decreased from 5.9% to 5.0%.

Tillamook County is less Multiracial than neighboring Yamhill County (5.4% Multiracial), Clatsop County (6.8% Multiracial), Polk County (5.7% Multiracial), Washington County (6.5% Multiracial), and Lincoln County (7% 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.