Hamilton County Demographics
A map of Hamilton County's Population by Race
Hamilton County, Nebraska has an estimated population of 9,464, a less than 1% change from the 9,429 recorded in the 2020 Census. The population is 91.9% White, 4.3% Hispanic, 3.0% Multiracial, 0.5% Asian, 0.2% Black, and 0.2% Native American/Other. This demographic dot map shows the population of Hamilton County, with one dot drawn for each person counted by the Census, color-coded by race.
Hamilton has become more 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 Hamilton County, that probability was 12.8% in 2020 and 15.3% in the most recent ACS estimates.
Hamilton County is ranked the 29th most populous county in Nebraska, out of 93 counties. Hamilton County was ranked the 29th most populous county in the 2020 Census.
Hamilton County's White Population
8,698 residents of Hamilton County, or 91.9% of the population, identify as White. The share of White residents in Hamilton County is significantly higher than in Nebraska overall, where 75.3% of the population is White. Hamilton County ranks 24th statewide in terms of White residents as a share of the population, out of 93 counties.
Since the 2020 Census, Hamilton County's White population has declined by an estimated 1.1%. White residents' share of Hamilton County's population has decreased from 93.3% to 91.9%.
Hamilton County is more White than neighboring Merrick County (90.5% White), Clay County (87.1% White), York County (87.9% White), and Hall County (60.5% White). Hamilton County is less White than neighboring Nance County (94.1% White).
Hamilton County's Black Population
17 residents of Hamilton County, or 0.2% of the population, identify as Black. The share of Black residents in Hamilton County is slightly lower than in Nebraska overall, where 4.6% of the population is Black. Hamilton County ranks 54th statewide in terms of Black residents as a share of the population, out of 93 counties.
Since the 2020 Census, Hamilton County's Black population has declined by an estimated 37.0%. Black residents' share of Hamilton County's population has remained roughly unchanged at 0.2%.
Hamilton County is more Black than neighboring Merrick County (0% Black). Hamilton County is less Black than neighboring Clay County (0.7% Black), York County (1.3% Black), and Hall County (3.3% Black).
Hamilton County's Asian Population
43 residents of Hamilton County, or 0.5% of the population, identify as Asian. The share of Asian residents in Hamilton County is slightly lower than in Nebraska overall, where 2.6% of the population is Asian. Hamilton County ranks 69th statewide in terms of Asian residents as a share of the population, out of 93 counties.
Since the 2020 Census, Hamilton County's Asian population has grown by an estimated 207.1%. Asian residents' share of Hamilton County's population has remained roughly unchanged at 0.5%.
Hamilton County is more Asian than neighboring Clay County (0% Asian), and Nance County (0.2% Asian). Hamilton County is less Asian than neighboring Merrick County (0.7% Asian), and Hall County (1% Asian).
Hamilton County's Hispanic Population
408 residents of Hamilton County, or 4.3% of the population, identify as Hispanic. The share of Hispanic residents in Hamilton County is lower than in Nebraska overall, where 12.7% of the population is Hispanic. Hamilton County ranks 57th statewide in terms of Hispanic residents as a share of the population, out of 93 counties.
Since the 2020 Census, Hamilton County's Hispanic population has grown by an estimated 27.5%. Hispanic residents' share of Hamilton County's population has increased from 3.4% to 4.3%.
Hamilton County is more Hispanic than neighboring Nance County (2.6% Hispanic). Hamilton County is less Hispanic than neighboring Merrick County (5.6% Hispanic), Clay County (9.7% Hispanic), York County (6.2% Hispanic), and Hall County (32.4% Hispanic).
Hamilton County's Native American/Other Population
15 residents of Hamilton County, or 0.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Hamilton County is comparable to the share in Nebraska overall, where 1% of the population is Native American/Other. Hamilton County ranks 49th statewide in terms of Native American/Other residents as a share of the population, out of 93 counties.
Since the 2020 Census, Hamilton County's Native American/Other population has declined by an estimated 69.4%. Native American/Other residents' share of Hamilton County's population has remained roughly unchanged at 0.2%.
Hamilton County is more Native American/Other than neighboring Merrick County (0% Native American/Other). Hamilton County is less Native American/Other than neighboring Clay County (0.3% Native American/Other), York County (0.8% Native American/Other), Hall County (0.5% Native American/Other), and Nance County (0.8% Native American/Other).
Hamilton County's Multiracial Population
283 residents of Hamilton County, or 3.0% of the population, identify as Multiracial. The share of Multiracial residents in Hamilton County is comparable to the share in Nebraska overall, where 3.8% of the population is Multiracial. Hamilton County ranks 55th statewide in terms of Multiracial residents as a share of the population, out of 93 counties.
Since the 2020 Census, Hamilton County's Multiracial population has grown by an estimated 26.9%. Multiracial residents' share of Hamilton County's population has increased from 2.4% to 3.0%.
Hamilton County is more Multiracial than neighboring Clay County (2.1% Multiracial), Hall County (2.3% Multiracial), and Nance County (2.2% Multiracial). Hamilton County is less Multiracial than neighboring Merrick County (3.1% Multiracial), and York County (3.3% 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.