Nemaha County Demographics

A map of Nemaha County's Population by Race

Nemaha County, Nebraska has an estimated population of 7,046, a less than 1% change from the 7,074 recorded in the 2020 Census. The population is 89.3% White, 5.4% Multiracial, 3.3% Hispanic, 1.1% Black, 0.8% Native American/Other, and 0.1% Asian. This demographic dot map shows the population of Nemaha County, with one dot drawn for each person counted by the Census, color-coded by race.

Nemaha has become considerably 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 Nemaha County, that probability was 14.4% in 2020 and 19.9% in the most recent ACS estimates.

Nemaha County is ranked the 41st most populous county in Nebraska, out of 93 counties. Nemaha County was ranked the 41st most populous county in the 2020 Census.

Nemaha County's White Population

6,289 residents of Nemaha County, or 89.3% of the population, identify as White. The share of White residents in Nemaha County is considerably higher than in Nebraska overall, where 75.3% of the population is White. Nemaha County ranks 35th statewide in terms of White residents as a share of the population, out of 93 counties.

Since the 2020 Census, Nemaha County's White population has declined by an estimated 3.8%. White residents' share of Nemaha County's population has decreased from 92.4% to 89.3%.

Nemaha County is more White than neighboring Otoe County (85.5% White), and Johnson County (77.6% White). Nemaha County is less White than neighboring Richardson County (90.4% White), Atchison County (92.6% White), and Fremont County (91.4% White).

Nemaha County's Black Population

78 residents of Nemaha County, or 1.1% of the population, identify as Black. The share of Black residents in Nemaha County is slightly lower than in Nebraska overall, where 4.6% of the population is Black. Nemaha County ranks 19th statewide in terms of Black residents as a share of the population, out of 93 counties.

Since the 2020 Census, Nemaha County's Black population has grown by an estimated 39.3%. Black residents' share of Nemaha County's population has remained roughly unchanged at 1.1%.

Nemaha County is more Black than neighboring Richardson County (0.2% Black), Otoe County (1% Black), Atchison County (0.2% Black), and Fremont County (0.4% Black). Nemaha County is less Black than neighboring Johnson County (4.7% Black).

Nemaha County's Asian Population

9 residents of Nemaha County, or 0.1% of the population, identify as Asian. The share of Asian residents in Nemaha County is slightly lower than in Nebraska overall, where 2.6% of the population is Asian. Nemaha County ranks 35th statewide in terms of Asian residents as a share of the population, out of 93 counties.

Since the 2020 Census, Nemaha County's Asian population has declined by an estimated 71.0%. Asian residents' share of Nemaha County's population has remained roughly unchanged at 0.1%.

Nemaha County is less Asian than neighboring Otoe County (0.2% Asian), Johnson County (0.8% Asian), Atchison County (0.4% Asian), and Fremont County (0.2% Asian).

Nemaha County's Hispanic Population

229 residents of Nemaha County, or 3.3% of the population, identify as Hispanic. The share of Hispanic residents in Nemaha County is lower than in Nebraska overall, where 12.7% of the population is Hispanic. Nemaha County ranks 64th statewide in terms of Hispanic residents as a share of the population, out of 93 counties.

Since the 2020 Census, Nemaha County's Hispanic population has grown by an estimated 10.1%. Hispanic residents' share of Nemaha County's population has remained roughly unchanged at 3.3%.

Nemaha County is more Hispanic than neighboring Richardson County (2.4% Hispanic), and Atchison County (2.1% Hispanic). Nemaha County is less Hispanic than neighboring Otoe County (9% Hispanic), Johnson County (11.9% Hispanic), and Fremont County (3.4% Hispanic).

Nemaha County's Native American/Other Population

59 residents of Nemaha 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 Nemaha County is comparable to the share in Nebraska overall, where 1% of the population is Native American/Other. Nemaha County ranks 44th statewide in terms of Native American/Other residents as a share of the population, out of 93 counties.

Since the 2020 Census, Nemaha County's Native American/Other population has grown by an estimated 47.5%. Native American/Other residents' share of Nemaha County's population has remained roughly unchanged at 0.8%.

Nemaha County is more Native American/Other than neighboring Otoe County (0.2% Native American/Other), and Fremont County (0.1% Native American/Other). Nemaha County is less Native American/Other than neighboring Richardson County (1.6% Native American/Other), and Johnson County (2.4% Native American/Other).

Nemaha County's Multiracial Population

382 residents of Nemaha County, or 5.4% of the population, identify as Multiracial. The share of Multiracial residents in Nemaha County is comparable to the share in Nebraska overall, where 3.8% of the population is Multiracial. Nemaha County ranks 36th statewide in terms of Multiracial residents as a share of the population, out of 93 counties.

Since the 2020 Census, Nemaha County's Multiracial population has grown by an estimated 90.0%. Multiracial residents' share of Nemaha County's population has increased from 2.8% to 5.4%.

Nemaha County is more Multiracial than neighboring Richardson County (5.2% Multiracial), Otoe County (4% Multiracial), Johnson County (2.6% Multiracial), Atchison County (3.9% Multiracial), and Fremont County (4.6% 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.