Union County Population

1880–2026

28,539

2026 projection

2.6% since 2020 (increase)

05K10K15K20K25K30K18801900192019401960198020002020

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.
202628,539+800.28%
202528,459+800.28%
202428,379+1140.40%
202328,265+1420.50%
202228,123+950.34%
202128,028+2160.78%
202027,812-8993.13%
201928,711+1750.61%
201828,536+580.20%
201728,478+1800.64%

Showing 10 of 29 years.

Union County Demographics

38.3median age

Median age

Female39.1 yrs
Male37.2 yrs

Adults

21,083
4,662 seniors (65+) · 22% of adults16,421 other adults

Sex

Female 51.1% · 14,381Male 48.9% · 13,741

Population by age

MaleFemale85+ years, male: 15185+ years, female: 39180–84 years, male: 29280–84 years, female: 30675–79 years, male: 32875–79 years, female: 45670–74 years, male: 66470–74 years, female: 57365–69 years, male: 65265–69 years, female: 84960–64 years, male: 1,05360–64 years, female: 76755–59 years, male: 62655–59 years, female: 96150–54 years, male: 87650–54 years, female: 89645–49 years, male: 75045–49 years, female: 92540–44 years, male: 98840–44 years, female: 72435–39 years, male: 72335–39 years, female: 89130–34 years, male: 99330–34 years, female: 99325–29 years, male: 81325–29 years, female: 88720–24 years, male: 95520–24 years, female: 91015–19 years, male: 1,02915–19 years, female: 1,02910–14 years, male: 86410–14 years, female: 1,0955–9 years, male: 1,1245–9 years, female: 8890–4 years, male: 8600–4 years, female: 83985+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 281 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

$55,505median household income

Median household income

$55,505

Half of households earn more, half earn less

Median earnings

$40,281

Typical yearly pay for a worker 25 or older.

Poverty rate

15.1%

About 1 in 7 residents

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

Union County Marital Status

46% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married46%49%44%
Never married33%37%29%
Divorced12%10%14%
Widowed8%4%11%
Separated1%<1%2%

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