Union, OH Demographics

A map of Union's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	5,810	5,931	82.6%	86.5%
Multiracial	760	337	10.8%	4.9%
Black	374	346	5.3%	5.0%
Hispanic	82	159	1.2%	2.3%
Asian	11	61	0.2%	0.9%
Native American/Other	0	25	0.0%	0.4%

Union, Ohio has an estimated population of 7,037, a slight increase from the 6,859 recorded in the 2020 Census. The population is 82.6% White, 10.8% Multiracial, 5.3% Black, 1.2% Hispanic, 0.2% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Union, with one dot drawn for each person counted by the Census, color-coded by race.

Union has become considerably more racially diverse since the 2020 Census. It is considerably less diverse than Ohio overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Union, that probability was 24.7% in 2020 and 30.4% in the most recent ACS estimates.

Union is ranked the 238th most populous place in Ohio, out of 1,265 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). Union was ranked the 241st most populous place in the 2020 Census.

Union's White Population

5,810 residents of Union, or 82.6% of the population, identify as White. The share of White residents in Union is higher than in Ohio overall, where 75.8% of the population is White. Union ranks 956th statewide in terms of White residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Union's White population has declined by an estimated 2.0%. White residents' share of Union's population has decreased from 86.5% to 82.6%.

Union is more White than neighboring Englewood (72.2% White), and Clayton (62.1% White). Union is less White than neighboring West Milton (94.8% White), Ludlow Falls (93.3% White), and Vandalia (87.6% White).

Union's Black Population

374 residents of Union, or 5.3% of the population, identify as Black. The share of Black residents in Union is lower than in Ohio overall, where 12% of the population is Black. Union ranks 190th statewide in terms of Black residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Union's Black population has grown by an estimated 8.1%. Black residents' share of Union's population has remained roughly unchanged at 5.3%.

Union is more Black than neighboring West Milton (0% Black), Ludlow Falls (0% Black), and Vandalia (3.2% Black). Union is less Black than neighboring Englewood (14% Black), and Clayton (27.7% Black).

Union's Asian Population

11 residents of Union, or 0.2% of the population, identify as Asian. The share of Asian residents in Union is slightly lower than in Ohio overall, where 2.5% of the population is Asian. Union ranks 337th statewide in terms of Asian residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Union's Asian population has declined by an estimated 82.0%. Asian residents' share of Union's population has decreased from 0.9% to 0.2%.

Union is more Asian than neighboring Ludlow Falls (0% Asian). Union is less Asian than neighboring Englewood (1.4% Asian), Clayton (1.5% Asian), West Milton (0.4% Asian), and Vandalia (2.3% Asian).

Union's Hispanic Population

82 residents of Union, or 1.2% of the population, identify as Hispanic. The share of Hispanic residents in Union is slightly lower than in Ohio overall, where 4.8% of the population is Hispanic. Union ranks 530th statewide in terms of Hispanic residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Union's Hispanic population has declined by an estimated 48.4%. Hispanic residents' share of Union's population has decreased from 2.3% to 1.2%.

Union is more Hispanic than neighboring West Milton (0% Hispanic), and Ludlow Falls (1% Hispanic). Union is less Hispanic than neighboring Englewood (2.6% Hispanic), Clayton (2.8% Hispanic), and Vandalia (2.1% Hispanic).

Union's Native American/Other Population

0 residents of Union, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Union is comparable to the share in Ohio overall, where 0.5% of the population is Native American/Other. Union ranks 730th statewide in terms of Native American/Other residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Union's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Union's population has remained roughly unchanged at 0.0%.

Union is less Native American/Other than neighboring Englewood (0.3% Native American/Other), Clayton (0.3% Native American/Other), West Milton (1.5% Native American/Other), and Vandalia (0.5% Native American/Other).

Union's Multiracial Population

760 residents of Union, or 10.8% of the population, identify as Multiracial. The share of Multiracial residents in Union is higher than in Ohio overall, where 4.3% of the population is Multiracial. Union ranks 299th statewide in terms of Multiracial residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Union's Multiracial population has grown by an estimated 125.5%. Multiracial residents' share of Union's population has increased from 4.9% to 10.8%.

Union is more Multiracial than neighboring Englewood (9.5% Multiracial), Clayton (5.5% Multiracial), West Milton (3.2% Multiracial), Ludlow Falls (5.7% Multiracial), and Vandalia (4.4% 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.