Lancaster County Demographics

A map of Lancaster County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	254,346	251,962	77.9%	78.1%
Hispanic	27,767	25,844	8.5%	8.0%
Multiracial	17,025	14,230	5.2%	4.4%
Asian	13,280	13,975	4.1%	4.3%
Black	12,139	13,369	3.7%	4.1%
Native American/Other	2,139	3,228	0.7%	1.0%

Lancaster County, Nebraska has an estimated population of 326,696, a slight increase from the 322,608 recorded in the 2020 Census. The population is 77.9% White, 8.5% Hispanic, 5.2% Multiracial, 4.1% Asian, 3.7% Black, and 0.7% Native American/Other. This demographic dot map shows the population of Lancaster County, with one dot drawn for each person counted by the Census, color-coded by race.

Lancaster is about as racially diverse as it was in the 2020 Census. It is 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 Lancaster County, that probability was 37.8% in 2020 and 38.1% in the most recent ACS estimates.

Lancaster County is ranked the 2nd most populous county in Nebraska, out of 93 counties. Lancaster County was ranked the 2nd most populous county in the 2020 Census.

Lancaster County's White Population

254,346 residents of Lancaster County, or 77.9% of the population, identify as White. The share of White residents in Lancaster County is slightly higher than in Nebraska overall, where 75.3% of the population is White. Lancaster County ranks 82nd statewide in terms of White residents as a share of the population, out of 93 counties.

Since the 2020 Census, Lancaster County's White population has remained roughly the same. White residents' share of Lancaster County's population has remained roughly unchanged at 77.9%.

Lancaster County is more White than neighboring Saline County (64.8% White). Lancaster County is less White than neighboring Saunders County (92.2% White), Seward County (93.7% White), Gage County (92.5% White), and Cass County (90.5% White).

Lancaster County's Black Population

12,139 residents of Lancaster County, or 3.7% of the population, identify as Black. The share of Black residents in Lancaster County is comparable to the share in Nebraska overall, where 4.6% of the population is Black. Lancaster County ranks 5th statewide in terms of Black residents as a share of the population, out of 93 counties.

Since the 2020 Census, Lancaster County's Black population has declined by an estimated 9.2%. Black residents' share of Lancaster County's population has remained roughly unchanged at 3.7%.

Lancaster County is more Black than neighboring Saunders County (0.2% Black), Seward County (0.8% Black), Gage County (0.5% Black), Saline County (0.4% Black), and Cass County (0.3% Black).

Lancaster County's Asian Population

13,280 residents of Lancaster County, or 4.1% of the population, identify as Asian. The share of Asian residents in Lancaster County is comparable to the share in Nebraska overall, where 2.6% of the population is Asian. Lancaster County ranks 2nd statewide in terms of Asian residents as a share of the population, out of 93 counties.

Since the 2020 Census, Lancaster County's Asian population has declined by an estimated 5.0%. Asian residents' share of Lancaster County's population has remained roughly unchanged at 4.1%.

Lancaster County is more Asian than neighboring Saunders County (0.7% Asian), Seward County (0.5% Asian), Gage County (0.7% Asian), Saline County (2.4% Asian), and Cass County (0.3% Asian).

Lancaster County's Hispanic Population

27,767 residents of Lancaster County, or 8.5% of the population, identify as Hispanic. The share of Hispanic residents in Lancaster County is slightly lower than in Nebraska overall, where 12.7% of the population is Hispanic. Lancaster County ranks 24th statewide in terms of Hispanic residents as a share of the population, out of 93 counties.

Since the 2020 Census, Lancaster County's Hispanic population has grown by an estimated 7.4%. Hispanic residents' share of Lancaster County's population has increased from 8.0% to 8.5%.

Lancaster County is more Hispanic than neighboring Saunders County (2.8% Hispanic), Seward County (3% Hispanic), Gage County (3.4% Hispanic), and Cass County (4.1% Hispanic). Lancaster County is less Hispanic than neighboring Saline County (29.5% Hispanic).

Lancaster County's Native American/Other Population

2,139 residents of Lancaster County, or 0.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Lancaster County is comparable to the share in Nebraska overall, where 1% of the population is Native American/Other. Lancaster County ranks 16th statewide in terms of Native American/Other residents as a share of the population, out of 93 counties.

Since the 2020 Census, Lancaster County's Native American/Other population has declined by an estimated 33.7%. Native American/Other residents' share of Lancaster County's population has remained roughly unchanged at 0.7%.

Lancaster County is more Native American/Other than neighboring Saunders County (0.3% Native American/Other), Seward County (0.3% Native American/Other), Gage County (0.5% Native American/Other), and Saline County (0.2% Native American/Other). Lancaster County is less Native American/Other than neighboring Cass County (1.3% Native American/Other).

Lancaster County's Multiracial Population

17,025 residents of Lancaster County, or 5.2% of the population, identify as Multiracial. The share of Multiracial residents in Lancaster County is comparable to the share in Nebraska overall, where 3.8% of the population is Multiracial. Lancaster County ranks 5th statewide in terms of Multiracial residents as a share of the population, out of 93 counties.

Since the 2020 Census, Lancaster County's Multiracial population has grown by an estimated 19.6%. Multiracial residents' share of Lancaster County's population has increased from 4.4% to 5.2%.

Lancaster County is more Multiracial than neighboring Saunders County (3.9% Multiracial), Seward County (1.6% Multiracial), Gage County (2.5% Multiracial), Saline County (2.7% Multiracial), and Cass County (3.6% 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.