Union County Population

1840–2026

28,110

2026 projection

13.3% since 2020 (increase)

05K10K15K20K25K30K1840186018801900192019401960198020002020

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.
202628,110+2510.90%
202527,859+2510.91%
202427,608+4761.75%
202327,132+7192.72%
202226,413+8013.13%
202125,612+8043.24%
202024,808+2020.82%
201924,606+6452.69%
201823,961+5552.37%
201723,406+7423.27%

Showing 10 of 33 years.

Union County Demographics

55.9median age

Median age

Female56.9 yrs
Male54.8 yrs

Adults

22,381
8,987 seniors (65+) · 40% of adults13,394 other adults

Sex

Female 50.4% · 13,263Male 49.6% · 13,041

Population by age

MaleFemale85+ years, male: 35485+ years, female: 67880–84 years, male: 45580–84 years, female: 42275–79 years, male: 91075–79 years, female: 81670–74 years, male: 1,08570–74 years, female: 1,47565–69 years, male: 1,48465–69 years, female: 1,30860–64 years, male: 1,28660–64 years, female: 1,39955–59 years, male: 91555–59 years, female: 91750–54 years, male: 66250–54 years, female: 90045–49 years, male: 66845–49 years, female: 58340–44 years, male: 80540–44 years, female: 67535–39 years, male: 36735–39 years, female: 46730–34 years, male: 59830–34 years, female: 54625–29 years, male: 51425–29 years, female: 58220–24 years, male: 63520–24 years, female: 36715–19 years, male: 63915–19 years, female: 62210–14 years, male: 53510–14 years, female: 4845–9 years, male: 6065–9 years, female: 6140–4 years, male: 5230–4 years, female: 40885+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 263 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

$66,176median household income

Median household income

$66,176

Half of households earn more, half earn less

Median earnings

$39,773

Typical yearly pay for a worker 25 or older.

Poverty rate

10.9%

About 1 in 9 residents

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

Union County Marital Status

64% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married64%67%61%
Never married16%18%14%
Divorced12%10%14%
Widowed7%4%11%
Separated1%2%<1%

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