Demographics of Union County, Indiana

Union County, Indiana had 6,863 people on July 1, 2025, by the Census Bureau’s estimate: −222 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Union County, in four figures

6,863
Population: July 1, 2025, Vintage 2025 estimate.; −3.1%
Change since July 2020: −222 people.; 43.9 ±0.9
Median age: ACS 2020–⁠2024.; $76,424 ±$6,926
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Union County, Indiana's population shrank 3.1% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Union County, Indiana's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Union County, Indiana's population shrank 3.1% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Union County, Indiana's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	7,085	100.0	100.0
2021	7,022	99.1	100.2
2022	6,982	98.5	100.7
2023	6,989	98.6	101.6
2024	6,934	97.9	102.5
2025	6,863	96.9	103.1

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Population of Union County, Indiana on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	7,085	−5	−2	0	−3
2021	7,022	−63	−34	+2	−31
2022	6,982	−40	−10	+2	−31
2023	6,989	+7	−25	0	+31
2024	6,934	−55	−30	+3	−26
2025	6,863	−71	−35	+1	−39

Age, 2020–2024

The median age is 43.9 ±0.9: for men 41.2 ±2.3 and for women 45.6 ±1.4. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Union County by age, ACS 2020–2024
Age	People	Share	Indiana	United States
Under 5	392 ±37	5.6% ±0.5	6.0% ±<0.1	5.6% ±<0.1
5 to 17	1,051 ±131	15.0% ±1.9	17.3% ±0.1	16.3% ±<0.1
18 to 24	546 ±118	7.8% ±1.7	9.6% ±0.1	9.1% ±<0.1
25 to 44	1,618 ±140	23.2% ±2.0	25.8% ±0.1	26.9% ±<0.1
45 to 64	1,906 ±170	27.3% ±2.4	24.5% ±0.1	24.8% ±<0.1
65 and over	1,472 ±184	21.1% ±2.6	16.8% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $76,424 ±$6,926, and income per person $37,741 ±$3,360, in 2024 dollars. The median is $71,957 ±$352 in Indiana and $80,734 ±$166 in the United States.

Households by income

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Households in Union County by income, ACS 2020–2024
Household income	Households	Share	Indiana	United States
Under $25,000	363 ±107	12.3% ±3.6	15.0% ±0.2	14.6% ±<0.1
$25,000 to $49,999	544 ±134	18.5% ±4.5	19.4% ±0.2	16.7% ±<0.1
$50,000 to $74,999	522 ±121	17.8% ±4.1	17.7% ±0.2	15.5% ±<0.1
$75,000 to $99,999	582 ±143	19.8% ±4.8	13.9% ±0.2	12.6% ±<0.1
$100,000 to $149,999	522 ±120	17.8% ±4.0	17.5% ±0.2	17.5% ±<0.1
$150,000 to $199,999	202 ±92	6.9% ±3.1	8.3% ±0.1	9.6% ±<0.1
$200,000 or more	205 ±89	7.0% ±3.0	8.2% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Union County by age, ACS 2020–2024
Age	Below poverty	Rate	Indiana	United States
All ages	587 ±187	8.5% ±2.7	12.3% ±0.2	12.5% ±0.1
Under 18	209 ±89	14.5% ±5.9	16.0% ±0.3	16.1% ±0.1
18 to 59	301 ±106	8.5% ±2.9	11.9% ±0.2	11.6% ±0.1
60 and over	29 to 125	1.5% to 6.4%	9.6% ±0.2	11.0% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Housing, 2020–2024

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Housing in Union County, ACS 2020–2024
Measure	Union County	Indiana	United States
Housing units	3,255 ±17	2,976,568 ±617	143,775,355 ±10,234
Occupied	90.3% ±3.5	91.2% ±0.2	89.9% ±0.1
Vacant	9.7% ±3.5	8.8% ±0.2	10.1% ±0.1
Owner occupied	79.8% ±3.0	70.6% ±0.3	65.2% ±0.3
Renter occupied	20.2% ±4.1	29.4% ±0.3	34.8% ±0.1
Median home value	$173,500 ±$14,717	$218,200 ±$739	$332,700 ±$236
Median gross rent	$760 ±$75	$1,062 ±$5	$1,413 ±$2
Median year built	1970 ±5	1976 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Union County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Indiana	United States
Hispanic or Latino	178 ±61	2.5% ±0.9	8.6% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	6,642 ±21	95.1% ±0.3	75.4% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	0 to 83	0% to 1.2%	9.1% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 75	0% to 1.1%	2.6% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 10	0% to 0.1%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 18	0% to 0.3%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 18	0% to 0.3%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	91 ±42	1.3% ±0.6	3.8% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Union County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Indiana	United States
Born in the state	3,004 ±319	43.0% ±4.6	67.0% ±0.2	57.3% ±<0.1
Born in another state	3,829 ±320	54.8% ±4.6	25.8% ±0.2	26.9% ±<0.1
Born a citizen outside the states	4 to 96	0.1% to 1.4%	0.8% ±<0.1	1.7% ±<0.1
Born abroad	48 to 156	0.7% to 2.2%	6.3% ±0.1	14.1% ±<0.1
Naturalized citizens	0 to 75	0% to 1.1%	2.6% ±0.1	7.4% ±<0.1
Not citizens	19 to 125	0.3% to 1.8%	3.7% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Union County among the counties of Indiana

91st of 92 by population, July 2025. Every one is listed on the Indiana page.

Counties of Indiana near Union County in population, July 2025
County	July 2025	Change since 2020
Crawford County	10,509	−0.2%
Switzerland County	10,037	+3.0%
Martin County	9,856	+0.5%
Benton County	8,883	+2.0%
Warren County	8,474	+0.6%
Union County	6,863	−3.1%
Ohio County	5,994	+1.1%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026