Morrow County Demographics

A map of Morrow County's Population by Race

Morrow County, Oregon has an estimated population of 12,300, a less than 1% change from the 12,186 recorded in the 2020 Census. The population is 52.5% White, 42.0% Hispanic, 4.0% Multiracial, 0.8% Black, 0.4% Native American/Other, and 0.2% Asian. This demographic dot map shows the population of Morrow County, with one dot drawn for each person counted by the Census, color-coded by race.

Morrow has become slightly more racially diverse since the 2020 Census. It is considerably more 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 Morrow County, that probability was 53.8% in 2020 and 54.6% in the most recent ACS estimates.

Morrow County is ranked the 29th most populous county in Oregon, out of 36 counties. Morrow County was ranked the 29th most populous county in the 2020 Census.

Morrow County's White Population

6,462 residents of Morrow County, or 52.5% of the population, identify as White. The share of White residents in Morrow County is significantly lower than in Oregon overall, where 71.4% of the population is White. Morrow County ranks 36th statewide in terms of White residents as a share of the population, out of 36 counties.

Since the 2020 Census, Morrow County's White population has declined by an estimated 2.1%. White residents' share of Morrow County's population has decreased from 54.2% to 52.5%.

Morrow County is less White than neighboring Gilliam County (80% White), Wheeler County (83.3% White), Benton County (64.6% White), Umatilla County (61.5% White), and Grant County (86.9% White).

Morrow County's Black Population

103 residents of Morrow County, or 0.8% of the population, identify as Black. The share of Black residents in Morrow County is comparable to the share in Oregon overall, where 1.8% of the population is Black. Morrow County ranks 28th statewide in terms of Black residents as a share of the population, out of 36 counties.

Since the 2020 Census, Morrow County's Black population has grown by an estimated 178.4%. Black residents' share of Morrow County's population has increased from 0.3% to 0.8%.

Morrow County is more Black than neighboring Gilliam County (0% Black), Wheeler County (0% Black), Umatilla County (0.7% Black), and Grant County (0.1% Black). Morrow County is less Black than neighboring Benton County (1.6% Black).

Morrow County's Asian Population

27 residents of Morrow County, or 0.2% of the population, identify as Asian. The share of Asian residents in Morrow County is slightly lower than in Oregon overall, where 4.4% of the population is Asian. Morrow County ranks 36th statewide in terms of Asian residents as a share of the population, out of 36 counties.

Since the 2020 Census, Morrow County's Asian population has declined by an estimated 6.9%. Asian residents' share of Morrow County's population has remained roughly unchanged at 0.2%.

Morrow County is more Asian than neighboring Gilliam County (0% Asian). Morrow County is less Asian than neighboring Wheeler County (0.5% Asian), Benton County (3% Asian), Umatilla County (0.7% Asian), and Grant County (0.8% Asian).

Morrow County's Hispanic Population

5,167 residents of Morrow County, or 42.0% of the population, identify as Hispanic. The share of Hispanic residents in Morrow County is significantly higher than in Oregon overall, where 14.7% of the population is Hispanic. Morrow County ranks 1st statewide in terms of Hispanic residents as a share of the population, out of 36 counties.

Since the 2020 Census, Morrow County's Hispanic population has grown by an estimated 3.6%. Hispanic residents' share of Morrow County's population has increased from 40.9% to 42.0%.

Morrow County is more Hispanic than neighboring Gilliam County (9.4% Hispanic), Wheeler County (4.8% Hispanic), Benton County (25.6% Hispanic), Umatilla County (29.7% Hispanic), and Grant County (4.2% Hispanic).

Morrow County's Native American/Other Population

47 residents of Morrow County, or 0.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Morrow County is comparable to the share in Oregon overall, where 1.6% of the population is Native American/Other. Morrow County ranks 36th statewide in terms of Native American/Other residents as a share of the population, out of 36 counties.

Since the 2020 Census, Morrow County's Native American/Other population has declined by an estimated 64.1%. Native American/Other residents' share of Morrow County's population has decreased from 1.1% to 0.4%.

Morrow County is less Native American/Other than neighboring Gilliam County (2.7% Native American/Other), Wheeler County (1.2% Native American/Other), Benton County (1.3% Native American/Other), Umatilla County (2.6% Native American/Other), and Grant County (1.1% Native American/Other).

Morrow County's Multiracial Population

494 residents of Morrow County, or 4.0% of the population, identify as Multiracial. The share of Multiracial residents in Morrow County is slightly lower than in Oregon overall, where 6.1% of the population is Multiracial. Morrow County ranks 35th statewide in terms of Multiracial residents as a share of the population, out of 36 counties.

Since the 2020 Census, Morrow County's Multiracial population has grown by an estimated 23.2%. Multiracial residents' share of Morrow County's population has increased from 3.3% to 4.0%.

Morrow County is more Multiracial than neighboring Benton County (3.9% Multiracial). Morrow County is less Multiracial than neighboring Gilliam County (7.9% Multiracial), Wheeler County (10.2% Multiracial), Umatilla County (4.8% Multiracial), and Grant County (6.9% 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.