Union, Kentucky demographics

Union, KY demographics: median age 39.5; 58.9% of adults 25+ hold a bachelor’s degree. Age, race, households, languages and education, ACS 2020–2024 with margins of error.

ACS 2020–2024 · Union city, Kentucky · Incorporated city · GEOID 2178384. The survey estimates a population of 7,642 for its five-year window. This is separate from the annual July 2025 population estimate on the city overview.

Median age in Union is 39.5 years, with a 90% margin of error of 4.0 years. There are 2,626 households (±223). Age and household distributions show how these totals are composed; they do not establish which neighborhood suits a particular person.

Every count and share is an estimate. “±” is a 90% margin of error (MOE); pp means percentage points. Derived shares use the category count divided by the named universe. Aggregated category MOEs and percentage MOEs are approximate. A margin larger than half its estimate is flagged as low precision. Blank source uncertainty is shown as unavailable, never zero.

Age distribution and sex

City, state and U.S. estimates · ACS 2020–2024
Measure / survey universe	City estimate ± MOE	State estimate ± MOE	U.S. estimate ± MOE
Median age Total population · years	39.5 ±4.0	39.1 ±0.1	38.9 ±0.1

Age groups · B01001 · ACS 2020–2024 Total population: 7,642
Category	Count ± MOE	Share ± MOE (pp)	Kentucky	U.S.
Under 18	1,987 ±421	26.0% ±5.5 pp	22.6%	22.0%
18–34	1,488 ±357	19.5% ±4.7 pp	22.2%	22.8%
35–64	3,030 ±474	39.6% ±6.2 pp	37.9%	38.0%
65 and older	1,137 ±283	14.9% ±3.7 pp	17.3%	17.2%

Sex categories as published by ACS · B01001 · ACS 2020–2024 Total population: 7,642
Category	Count ± MOE	Share ± MOE (pp)	Kentucky	U.S.
Male	4,050 ±257	53.0% ±3.4 pp	49.5%	49.5%
Female	3,592 ±260	47.0% ±3.4 pp	50.5%	50.5%

The age groups are mutually exclusive and cover the entire population. The sex categories follow this ACS table’s published classification; they are not a survey of gender identity.

Race and Hispanic origin

Race · B02001 · ACS 2020–2024 Total population: 7,642
Category	Count ± MOE	Share ± MOE (pp)	Kentucky	U.S.
White alone	6,888 ±324	90.1% ±4.2 pp	82.6%	61.0%
Black or African American alone	0 ±18 · low precision	0.0% ±0.2 pp · low precision	7.6%	12.2%
American Indian and Alaska Native alone	0 ±18 · low precision	0.0% ±0.2 pp · low precision	0.2%	0.9%
Asian alone	139 ±191 · low precision	1.8% ±2.5 pp · low precision	1.6%	6.0%
Native Hawaiian and Other Pacific Islander alone	0 ±18 · low precision	0.0% ±0.2 pp · low precision	0.1%	0.2%
Some other race alone	11 ±20 · low precision	0.1% ±0.3 pp · low precision	1.7%	7.1%
Two or more races	604 ±254	7.9% ±3.3 pp	6.2%	12.6%

Hispanic or Latino origin · B03003 · ACS 2020–2024 Total population: 7,642
Category	Count ± MOE	Share ± MOE (pp)	Kentucky	U.S.
Not Hispanic or Latino	7,413 ±218	97.0% ±2.8 pp	95.0%	80.7%
Hispanic or Latino	229 ±213 · low precision	3.0% ±2.8 pp · low precision	5.0%	19.3%

Hispanic origin and race are separate questions. People of Hispanic or Latino origin may be of any race and appear in both tables. Do not add the Hispanic share to race shares. Race alone and two-or-more-race groups are the mutually exclusive categories of the race table.

Household types, children and living alone

Household types · B11001 · ACS 2020–2024 Households: 2,626
Category	Count ± MOE	Share ± MOE (pp)	Kentucky	U.S.
Married-couple family	1,879 ±188	71.6% ±3.8 pp	46.6%	46.9%
Other family: male householder, no spouse present	131 ±95 · low precision	5.0% ±3.6 pp · low precision	5.3%	5.1%
Other family: female householder, no spouse present	195 ±132 · low precision	7.4% ±5.0 pp · low precision	12.0%	12.2%
Nonfamily: householder living alone	351 ±179 · low precision	13.4% ±6.7 pp · low precision	29.8%	28.7%
Nonfamily: householder not living alone	70 ±78 · low precision	2.7% ±3.0 pp · low precision	6.3%	7.0%

Households with children · B11005 · ACS 2020–2024 Households: 2,626
Category	Count ± MOE	Share ± MOE (pp)	Kentucky	U.S.
Households with people under 18	1,131 ±221	43.1% ±7.6 pp	29.8%	29.5%
Households without people under 18	1,495 ±339	56.9% ±12.0 pp	70.2%	70.5%

Household size · B11016 · ACS 2020–2024 Households: 2,626
Category	Count ± MOE	Share ± MOE (pp)	Kentucky	U.S.
One-person nonfamily households	351 ±179 · low precision	13.4% ±6.7 pp · low precision	29.8%	28.7%
Two-person households	842 ±251	32.1% ±9.2 pp	34.9%	33.8%
Three-person households	675 ±202	25.7% ±7.4 pp	15.5%	15.3%
Four-person households	390 ±223 · low precision	14.9% ±8.4 pp · low precision	11.6%	12.6%
Five-person households	255 ±137 · low precision	9.7% ±5.2 pp · low precision	5.2%	5.9%
Six-person households	113 ±92 · low precision	4.3% ±3.5 pp · low precision	1.9%	2.2%
Seven or more people	0 ±25 · low precision	0.0% ±1.0 pp · low precision	1.1%	1.4%

A family household contains related people under the Census definition. A nonfamily household can contain one person or unrelated people sharing a home. Households with children can also appear in the household-type and size tables, so those tables must not be added together. Household estimates exclude people living in group quarters from the household universe.

Nativity and languages spoken at home

Nativity · B05002 · ACS 2020–2024 Total population: 7,642
Category	Count ± MOE	Share ± MOE (pp)	Kentucky	U.S.
Native	7,343 ±170	96.1% ±2.2 pp	95.3%	85.9%
Foreign born	299 ±167 · low precision	3.9% ±2.2 pp · low precision	4.7%	14.1%

Language spoken at home · C16001 · ACS 2020–2024 Population age 5 and older: 7,256
Category	Count ± MOE	Share ± MOE (pp)	Kentucky	U.S.
English only	6,902 ±314	95.1% ±3.3 pp	93.2%	77.7%
Spanish	99 ±91 · low precision	1.4% ±1.3 pp · low precision	3.4%	13.6%
French, Haitian, or Cajun	0 ±18 · low precision	0.0% ±0.2 pp · low precision	0.3%	0.7%
German or other West Germanic	51 ±66 · low precision	0.7% ±0.9 pp · low precision	0.6%	0.5%
Russian, Polish, or other Slavic	36 ±65 · low precision	0.5% ±0.9 pp · low precision	0.3%	0.7%
Other Indo-European	144 ±194 · low precision	2.0% ±2.7 pp · low precision	0.6%	2.0%
Korean	0 ±18 · low precision	0.0% ±0.2 pp · low precision	0.1%	0.3%
Chinese, including Mandarin and Cantonese	0 ±18 · low precision	0.0% ±0.2 pp · low precision	0.2%	1.1%
Vietnamese	0 ±18 · low precision	0.0% ±0.2 pp · low precision	0.1%	0.5%
Tagalog, including Filipino	0 ±18 · low precision	0.0% ±0.2 pp · low precision	0.1%	0.6%
Other Asian and Pacific Island	0 ±18 · low precision	0.0% ±0.2 pp · low precision	0.5%	1.1%
Arabic	0 ±18 · low precision	0.0% ±0.2 pp · low precision	0.2%	0.5%
Other and unspecified	24 ±36 · low precision	0.3% ±0.5 pp · low precision	0.5%	0.8%

Foreign born means not a U.S. citizen at birth; it includes naturalized citizens. Language categories describe speech at home among people age five and older. A language other than English at home does not establish that someone cannot speak English. This city page uses the published C16001 summary categories because the more detailed B16001 table does not provide these city records in this release.

Educational attainment

Highest completed education · B15003 · ACS 2020–2024 Population age 25 and older: 4,989
Category	Count ± MOE	Share ± MOE (pp)	Kentucky	U.S.
Less than high school graduate	61 ±82 · low precision	1.2% ±1.6 pp · low precision	11.1%	10.4%
High school graduate or equivalency	929 ±318	18.6% ±6.3 pp	32.6%	26.0%
Some college, no degree	586 ±215	11.7% ±4.2 pp	19.7%	19.1%
Associate’s degree	473 ±218	9.5% ±4.3 pp	9.0%	8.8%
Bachelor’s degree	1,731 ±378	34.7% ±7.3 pp	16.2%	21.6%
Graduate or professional degree	1,209 ±349	24.2% ±6.8 pp	11.3%	14.1%

The denominator excludes residents under 25. Each person is counted in the highest attainment category they completed. This table does not measure the quality of local schools or the education level of every current student.

Residence one year earlier

Geographic mobility · B07003 · ACS 2020–2024 Population age 1 and older: 7,558
Category	Count ± MOE	Share ± MOE (pp)	Kentucky	U.S.
Same house	6,600 ±423	87.3% ±5.5 pp	87.5%	87.7%
Moved within same county	542 ±350 · low precision	7.2% ±4.6 pp · low precision	6.3%	6.3%
Moved from a different county in the same state	236 ±219 · low precision	3.1% ±2.9 pp · low precision	3.4%	3.1%
Moved from a different state	180 ±141 · low precision	2.4% ±1.9 pp · low precision	2.4%	2.3%
Moved from abroad	0 ±18 · low precision	0.0% ±0.2 pp · low precision	0.4%	0.6%

These are respondents’ residence patterns one year before their survey response, pooled across the five-year window. They are not a net migration count for 2025. A person can move to a different house within the same city or county; moves within the same county should not automatically be interpreted as new arrivals to the city.

Health insurance, internet access and veterans

1.4% of Union residents (±1.3 percentage points) had no health insurance coverage when surveyed, compared with 6.0% in Kentucky and 8.4% nationally. 94.6% of households subscribe to broadband of any type, including cellular data plans. A subscription is not the same as available service: the FCC National Broadband Map shows providers at a specific address.

City, state and U.S. shares · ACS 2020–2024
Measure	Union	Kentucky	U.S.	Compared with Kentucky
People without health insurance Civilian noninstitutionalized population	1.4% ±1.3 pp · low precision	6.0%	8.4%	Lower
Households with a broadband subscription Households	94.6% ±2.4 pp	88.6%	91.0%	Higher
Veterans Civilian population age 18 and older	5.9% ±2.6 pp	6.5%	6.2%	Not statistically different

Reading and reusing the estimates

The Census table links above lead to the original detailed tables. Counts, source universes and uncertainty are retained in the source observation download for Union . Compare these figures with the same survey window; do not compare one city’s five-year estimate with another city’s annual estimate as though they measured the same period. For methods, see uncertainty and denominator calculations.

Read Union housing and cost context or return to the city profile.