Decatur, NE Demographics

A map of Decatur's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	405	364	84.0%	88.8%
Multiracial	31	14	6.4%	3.4%
Hispanic	23	7	4.8%	1.7%
Native American/Other	23	22	4.8%	5.4%
Black	0	1	0.0%	0.2%
Asian	0	2	0.0%	0.5%

Decatur, Nebraska has an estimated population of 482, a large increase from the 410 recorded in the 2020 Census. The population is 84.0% White, 6.4% Multiracial, 4.8% Hispanic, 4.8% Native American/Other, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of Decatur, with one dot drawn for each person counted by the Census, color-coded by race.

Decatur 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 Decatur, that probability was 20.7% in 2020 and 28.5% in the most recent ACS estimates.

Decatur is ranked the 219th most populous place in Nebraska, out of 593 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Decatur was ranked the 217th most populous place in the 2020 Census.

Decatur's White Population

405 residents of Decatur, or 84.0% of the population, identify as White. The share of White residents in Decatur is higher than in Nebraska overall, where 75.3% of the population is White. Decatur ranks 389th statewide in terms of White residents as a share of the population, out of 593 places.

Since the 2020 Census, Decatur's White population has grown by an estimated 11.3%. White residents' share of Decatur's population has decreased from 88.8% to 84.0%.

Decatur is more White than neighboring Whiting (80.3% White), and Macy (3.9% White). Decatur is less White than neighboring Onawa (94% White), Blencoe (95.4% White), and Sloan (91.5% White).

Decatur's Black Population

0 residents of Decatur, or 0.0% of the population, identify as Black. The share of Black residents in Decatur is slightly lower than in Nebraska overall, where 4.6% of the population is Black. Decatur ranks 228th statewide in terms of Black residents as a share of the population, out of 593 places.

Since the 2020 Census, Decatur's Black population has declined by an estimated 100.0%. Black residents' share of Decatur's population has remained roughly unchanged at 0.0%.

Decatur is less Black than neighboring Onawa (0.5% Black), and Macy (1.4% Black).

Decatur's Asian Population

0 residents of Decatur, or 0.0% of the population, identify as Asian. The share of Asian residents in Decatur is slightly lower than in Nebraska overall, where 2.6% of the population is Asian. Decatur ranks 138th statewide in terms of Asian residents as a share of the population, out of 593 places.

Since the 2020 Census, Decatur's Asian population has declined by an estimated 100.0%. Asian residents' share of Decatur's population has decreased from 0.5% to 0.0%.

Decatur is less Asian than neighboring Sloan (1.3% Asian).

Decatur's Hispanic Population

23 residents of Decatur, or 4.8% of the population, identify as Hispanic. The share of Hispanic residents in Decatur is lower than in Nebraska overall, where 12.7% of the population is Hispanic. Decatur ranks 474th statewide in terms of Hispanic residents as a share of the population, out of 593 places.

Since the 2020 Census, Decatur's Hispanic population has grown by an estimated 228.6%. Hispanic residents' share of Decatur's population has increased from 1.7% to 4.8%.

Decatur is more Hispanic than neighboring Onawa (1.5% Hispanic), Macy (0.6% Hispanic), Blencoe (3.6% Hispanic), and Sloan (0.3% Hispanic). Decatur is less Hispanic than neighboring Whiting (7.6% Hispanic).

Decatur's Native American/Other Population

23 residents of Decatur, or 4.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Decatur is slightly higher than in Nebraska overall, where 1% of the population is Native American/Other. Decatur ranks 26th statewide in terms of Native American/Other residents as a share of the population, out of 593 places.

Since the 2020 Census, Decatur's Native American/Other population has grown by an estimated 4.5%. Native American/Other residents' share of Decatur's population has decreased from 5.4% to 4.8%.

Decatur is more Native American/Other than neighboring Whiting (3.1% Native American/Other), Onawa (0.2% Native American/Other), and Blencoe (0% Native American/Other). Decatur is less Native American/Other than neighboring Macy (93.4% Native American/Other), and Sloan (6.4% Native American/Other).

Decatur's Multiracial Population

31 residents of Decatur, or 6.4% of the population, identify as Multiracial. The share of Multiracial residents in Decatur is slightly higher than in Nebraska overall, where 3.8% of the population is Multiracial. Decatur ranks 223rd statewide in terms of Multiracial residents as a share of the population, out of 593 places.

Since the 2020 Census, Decatur's Multiracial population has grown by an estimated 121.4%. Multiracial residents' share of Decatur's population has increased from 3.4% to 6.4%.

Decatur is more Multiracial than neighboring Onawa (3.7% Multiracial), Macy (0.6% Multiracial), Blencoe (1.1% Multiracial), and Sloan (0.6% Multiracial). Decatur is less Multiracial than neighboring Whiting (9% 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.