Grant County Demographics

A map of Grant County's Population by Race

Grant County, Oregon has an estimated population of 7,209, a less than 1% change from the 7,233 recorded in the 2020 Census. The population is 86.9% White, 6.9% Multiracial, 4.2% Hispanic, 1.1% Native American/Other, 0.8% Asian, and 0.1% Black. This demographic dot map shows the population of Grant County, with one dot drawn for each person counted by the Census, color-coded by race.

Grant has become more 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 Grant County, that probability was 20.5% in 2020 and 23.8% in the most recent ACS estimates.

Grant County is ranked the 33rd most populous county in Oregon, out of 36 counties. Grant County was ranked the 33rd most populous county in the 2020 Census.

Grant County's White Population

6,263 residents of Grant County, or 86.9% of the population, identify as White. The share of White residents in Grant County is significantly higher than in Oregon overall, where 71.4% of the population is White. Grant County ranks 2nd statewide in terms of White residents as a share of the population, out of 36 counties.

Since the 2020 Census, Grant County's White population has declined by an estimated 2.6%. White residents' share of Grant County's population has decreased from 88.9% to 86.9%.

Grant County is more White than neighboring Wheeler County (83.3% White), Morrow County (52.5% White), Umatilla County (61.5% White), and Union County (85.8% White). Grant County is less White than neighboring Baker County (87.8% White).

Grant County's Black Population

9 residents of Grant County, or 0.1% of the population, identify as Black. The share of Black residents in Grant County is comparable to the share in Oregon overall, where 1.8% of the population is Black. Grant County ranks 32nd statewide in terms of Black residents as a share of the population, out of 36 counties.

Since the 2020 Census, Grant County's Black population has declined by an estimated 10.0%. Black residents' share of Grant County's population has remained roughly unchanged at 0.1%.

Grant County is more Black than neighboring Wheeler County (0% Black). Grant County is less Black than neighboring Morrow County (0.8% Black), Umatilla County (0.7% Black), Union County (0.8% Black), and Baker County (1.3% Black).

Grant County's Asian Population

57 residents of Grant County, or 0.8% of the population, identify as Asian. The share of Asian residents in Grant County is slightly lower than in Oregon overall, where 4.4% of the population is Asian. Grant County ranks 34th statewide in terms of Asian residents as a share of the population, out of 36 counties.

Since the 2020 Census, Grant County's Asian population has grown by an estimated 147.8%. Asian residents' share of Grant County's population has increased from 0.3% to 0.8%.

Grant County is more Asian than neighboring Wheeler County (0.5% Asian), Morrow County (0.2% Asian), Umatilla County (0.7% Asian), and Baker County (0.4% Asian). Grant County is less Asian than neighboring Union County (1.1% Asian).

Grant County's Hispanic Population

306 residents of Grant County, or 4.2% of the population, identify as Hispanic. The share of Hispanic residents in Grant County is considerably lower than in Oregon overall, where 14.7% of the population is Hispanic. Grant County ranks 35th statewide in terms of Hispanic residents as a share of the population, out of 36 counties.

Since the 2020 Census, Grant County's Hispanic population has grown by an estimated 8.1%. Hispanic residents' share of Grant County's population has remained roughly unchanged at 4.2%.

Grant County is less Hispanic than neighboring Wheeler County (4.8% Hispanic), Morrow County (42% Hispanic), Umatilla County (29.7% Hispanic), Union County (5.5% Hispanic), and Baker County (5.3% Hispanic).

Grant County's Native American/Other Population

78 residents of Grant County, or 1.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Grant County is comparable to the share in Oregon overall, where 1.6% of the population is Native American/Other. Grant County ranks 34th statewide in terms of Native American/Other residents as a share of the population, out of 36 counties.

Since the 2020 Census, Grant County's Native American/Other population has declined by an estimated 10.3%. Native American/Other residents' share of Grant County's population has remained roughly unchanged at 1.1%.

Grant County is more Native American/Other than neighboring Morrow County (0.4% Native American/Other). Grant County is less Native American/Other than neighboring Wheeler County (1.2% Native American/Other), Umatilla County (2.6% Native American/Other), Union County (2.8% Native American/Other), and Baker County (1.3% Native American/Other).

Grant County's Multiracial Population

496 residents of Grant County, or 6.9% of the population, identify as Multiracial. The share of Multiracial residents in Grant County is comparable to the share in Oregon overall, where 6.1% of the population is Multiracial. Grant County ranks 23rd statewide in terms of Multiracial residents as a share of the population, out of 36 counties.

Since the 2020 Census, Grant County's Multiracial population has grown by an estimated 24.0%. Multiracial residents' share of Grant County's population has increased from 5.5% to 6.9%.

Grant County is more Multiracial than neighboring Morrow County (4% Multiracial), Umatilla County (4.8% Multiracial), Union County (3.9% Multiracial), and Baker County (3.9% Multiracial). Grant County is less Multiracial than neighboring Wheeler County (10.2% 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.