Union County Population

1830–2026

36,731

2026 projection

5.7% since 2020 (decrease)

010K20K30K40K50K60K1850190019502000

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Union County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202636,731-1950.53%
202536,926-1950.53%
202437,121-2920.78%
202337,413-4431.17%
202237,856-4561.19%
202138,312-6301.62%
202038,942+2650.69%
201938,677-4531.16%
201839,130-3690.93%
201739,499-4211.05%

Showing 10 of 34 years.

Union County Demographics

41.4median age

Median age

Female42.8 yrs
Male39.9 yrs

Adults

28,916
7,288 seniors (65+) · 25% of adults21,628 other adults

Sex

Female 50.7% · 19,221Male 49.3% · 18,679

Population by age

MaleFemale85+ years, male: 30785+ years, female: 30880–84 years, male: 36280–84 years, female: 54275–79 years, male: 57775–79 years, female: 84270–74 years, male: 89170–74 years, female: 83665–69 years, male: 1,14065–69 years, female: 1,48360–64 years, male: 1,50160–64 years, female: 1,29055–59 years, male: 1,02655–59 years, female: 1,23350–54 years, male: 1,13150–54 years, female: 1,20745–49 years, male: 1,09045–49 years, female: 1,13040–44 years, male: 1,29340–44 years, female: 1,43135–39 years, male: 84035–39 years, female: 91130–34 years, male: 1,07430–34 years, female: 1,07425–29 years, male: 1,29425–29 years, female: 1,09820–24 years, male: 90520–24 years, female: 1,21615–19 years, male: 1,46015–19 years, female: 1,05710–14 years, male: 1,20310–14 years, female: 1,5355–9 years, male: 1,4235–9 years, female: 1,0040–4 years, male: 1,1620–4 years, female: 1,02485+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 379 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Union County Income

$55,259median household income

Median household income

$55,259

Half of households earn more, half earn less

Median earnings

$41,216

Typical yearly pay for a worker 25 or older.

Poverty rate

19.6%

About 1 in 5 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Union County Marital Status

44% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married44%47%42%
Never married30%33%27%
Divorced14%12%15%
Widowed9%4%13%
Separated4%4%3%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

8 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year