Union County Demographics

A map of Union County's Population by Race

Union County, Florida has an estimated population of 15,701, a slight decrease from the 16,147 recorded in the 2020 Census. The population is 70.0% White, 14.7% Black, 9.4% Multiracial, 5.4% Hispanic, 0.2% Asian, and 0.2% Native American/Other. This demographic dot map shows the population of Union County, with one dot drawn for each person counted by the Census, color-coded by race.

Union has become more racially diverse since the 2020 Census. It is considerably less diverse than Florida overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Union County, that probability was 44.3% in 2020 and 47.6% in the most recent ACS estimates.

Union County is ranked the 59th most populous county in Florida, out of 67 counties. Union County was ranked the 59th most populous county in the 2020 Census.

Union County's White Population

10,998 residents of Union County, or 70.0% of the population, identify as White. The share of White residents in Union County is significantly higher than in Florida overall, where 50.4% of the population is White. Union County ranks 28th statewide in terms of White residents as a share of the population, out of 67 counties.

Since the 2020 Census, Union County's White population has declined by an estimated 5.1%. White residents' share of Union County's population has decreased from 71.7% to 70.0%.

Union County is more White than neighboring Alachua County (57.6% White), and Clay County (67.8% White). Union County is less White than neighboring Bradford County (72.9% White), Baker County (77.6% White), and Columbia County (70.3% White).

Union County's Black Population

2,302 residents of Union County, or 14.7% of the population, identify as Black. The share of Black residents in Union County is comparable to the share in Florida overall, where 14.6% of the population is Black. Union County ranks 10th statewide in terms of Black residents as a share of the population, out of 67 counties.

Since the 2020 Census, Union County's Black population has declined by an estimated 28.0%. Black residents' share of Union County's population has decreased from 19.8% to 14.7%.

Union County is more Black than neighboring Baker County (10.9% Black), and Clay County (11.6% Black). Union County is less Black than neighboring Bradford County (15.4% Black), Columbia County (16.1% Black), and Alachua County (19% Black).

Union County's Asian Population

38 residents of Union County, or 0.2% of the population, identify as Asian. The share of Asian residents in Union County is slightly lower than in Florida overall, where 2.9% of the population is Asian. Union County ranks 66th statewide in terms of Asian residents as a share of the population, out of 67 counties.

Since the 2020 Census, Union County's Asian population has grown by an estimated 8.6%. Asian residents' share of Union County's population has remained roughly unchanged at 0.2%.

Union County is less Asian than neighboring Bradford County (0.7% Asian), Baker County (0.8% Asian), Columbia County (1% Asian), Alachua County (6% Asian), and Clay County (3% Asian).

Union County's Hispanic Population

846 residents of Union County, or 5.4% of the population, identify as Hispanic. The share of Hispanic residents in Union County is significantly lower than in Florida overall, where 27.4% of the population is Hispanic. Union County ranks 57th statewide in terms of Hispanic residents as a share of the population, out of 67 counties.

Since the 2020 Census, Union County's Hispanic population has grown by an estimated 10.7%. Hispanic residents' share of Union County's population has increased from 4.7% to 5.4%.

Union County is more Hispanic than neighboring Bradford County (5% Hispanic), and Baker County (4.1% Hispanic). Union County is less Hispanic than neighboring Columbia County (7.9% Hispanic), Alachua County (12.6% Hispanic), and Clay County (11.4% Hispanic).

Union County's Native American/Other Population

36 residents of Union 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 Union County is comparable to the share in Florida overall, where 0.8% of the population is Native American/Other. Union County ranks 51st statewide in terms of Native American/Other residents as a share of the population, out of 67 counties.

Since the 2020 Census, Union County's Native American/Other population has declined by an estimated 65.4%. Native American/Other residents' share of Union County's population has remained roughly unchanged at 0.2%.

Union County is more Native American/Other than neighboring Bradford County (0.1% Native American/Other), and Baker County (0% Native American/Other). Union County is less Native American/Other than neighboring Columbia County (0.9% Native American/Other), Alachua County (0.7% Native American/Other), and Clay County (1.1% Native American/Other).

Union County's Multiracial Population

1,481 residents of Union County, or 9.4% of the population, identify as Multiracial. The share of Multiracial residents in Union County is higher than in Florida overall, where 3.8% of the population is Multiracial. Union County ranks 54th statewide in terms of Multiracial residents as a share of the population, out of 67 counties.

Since the 2020 Census, Union County's Multiracial population has grown by an estimated 220.6%. Multiracial residents' share of Union County's population has increased from 2.9% to 9.4%.

Union County is more Multiracial than neighboring Bradford County (5.9% Multiracial), Baker County (6.6% Multiracial), Columbia County (3.9% Multiracial), Alachua County (4.1% Multiracial), and Clay County (5.1% 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.