Arthur County Demographics
A map of Arthur County's Population by Race
Arthur County, Nebraska has an estimated population of 484, a large increase from the 434 recorded in the 2020 Census. The population is 93.0% White, 5.2% Multiracial, 1.2% Native American/Other, 0.6% Hispanic, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of Arthur County, with one dot drawn for each person counted by the Census, color-coded by race.
Arthur has become less racially diverse since the 2020 Census. It is considerably less diverse than Nebraska overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Arthur County, that probability was 14.8% in 2020 and 13.3% in the most recent ACS estimates.
Arthur County is ranked the 91st most populous county in Nebraska, out of 93 counties. Arthur County was ranked the 91st most populous county in the 2020 Census.
Arthur County's White Population
450 residents of Arthur County, or 93.0% of the population, identify as White. The share of White residents in Arthur County is significantly higher than in Nebraska overall, where 75.3% of the population is White. Arthur County ranks 39th statewide in terms of White residents as a share of the population, out of 93 counties.
Since the 2020 Census, Arthur County's White population has grown by an estimated 12.5%. White residents' share of Arthur County's population has increased from 92.2% to 93.0%.
Arthur County is more White than neighboring Keith County (85.4% White), McPherson County (92.4% White), and Hooker County (88.9% White). Arthur County is less White than neighboring Grant County (96% White), and Garden County (93.4% White).
Arthur County's Black Population
0 residents of Arthur County, or 0.0% of the population, identify as Black. The share of Black residents in Arthur County is slightly lower than in Nebraska overall, where 4.6% of the population is Black. Arthur County ranks 21st statewide in terms of Black residents as a share of the population, out of 93 counties.
Since the 2020 Census, Arthur County's Black population has declined by an estimated 100.0%. Black residents' share of Arthur County's population has decreased from 0.7% to 0.0%.
Arthur County is less Black than neighboring Grant County (0.2% Black), Keith County (1.1% Black), Garden County (0.1% Black), and Hooker County (1.5% Black).
Arthur County's Asian Population
0 residents of Arthur County, or 0.0% of the population, identify as Asian. The share of Asian residents in Arthur County is slightly lower than in Nebraska overall, where 2.6% of the population is Asian. Arthur County ranks 85th statewide in terms of Asian residents as a share of the population, out of 93 counties.
Since the 2020 Census, Arthur County's Asian population has grown from 0 to an estimated 0. Asian residents' share of Arthur County's population has remained roughly unchanged at 0.0%.
Arthur County is less Asian than neighboring Grant County (0.8% Asian), Keith County (0.7% Asian), and Garden County (0.5% Asian).
Arthur County's Hispanic Population
3 residents of Arthur County, or 0.6% of the population, identify as Hispanic. The share of Hispanic residents in Arthur County is considerably lower than in Nebraska overall, where 12.7% of the population is Hispanic. Arthur County ranks 72nd statewide in terms of Hispanic residents as a share of the population, out of 93 counties.
Since the 2020 Census, Arthur County's Hispanic population has declined by an estimated 75.0%. Hispanic residents' share of Arthur County's population has decreased from 2.8% to 0.6%.
Arthur County is more Hispanic than neighboring Grant County (0.2% Hispanic), and Hooker County (0% Hispanic). Arthur County is less Hispanic than neighboring Keith County (9.1% Hispanic), McPherson County (0.8% Hispanic), and Garden County (4.3% Hispanic).
Arthur County's Native American/Other Population
6 residents of Arthur County, or 1.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Arthur County is comparable to the share in Nebraska overall, where 1% of the population is Native American/Other. Arthur County ranks 90th statewide in terms of Native American/Other residents as a share of the population, out of 93 counties.
Since the 2020 Census, Arthur County's Native American/Other population has grown from 0 to an estimated 6. Native American/Other residents' share of Arthur County's population has increased from 0.0% to 1.2%.
Arthur County is more Native American/Other than neighboring Grant County (1% Native American/Other), Keith County (0.1% Native American/Other), McPherson County (0% Native American/Other), and Garden County (0.9% Native American/Other).
Arthur County's Multiracial Population
25 residents of Arthur County, or 5.2% of the population, identify as Multiracial. The share of Multiracial residents in Arthur County is comparable to the share in Nebraska overall, where 3.8% of the population is Multiracial. Arthur County ranks 8th statewide in terms of Multiracial residents as a share of the population, out of 93 counties.
Since the 2020 Census, Arthur County's Multiracial population has grown by an estimated 31.6%. Multiracial residents' share of Arthur County's population has increased from 4.4% to 5.2%.
Arthur County is more Multiracial than neighboring Grant County (1.9% Multiracial), Keith County (3.6% Multiracial), and Garden County (0.9% Multiracial). Arthur County is less Multiracial than neighboring McPherson County (6.7% Multiracial), and Hooker County (8.3% 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.