Union County Population

1790–2026

26,804

2026 projection

1.4% since 2020 (decrease)

05K10K15K20K25K30K35K18001850190019502000

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.
202626,804+50.02%
202526,799+50.02%
202426,794+130.05%
202326,781-70.03%
202226,788-2400.89%
202127,028-1450.53%
202027,173-480.18%
201927,221-1060.39%
201827,327-1060.39%
201727,433-2180.79%

Showing 10 of 38 years.

Union County Demographics

44.5median age

Median age

Female45.8 yrs
Male42.7 yrs

Adults

21,295
5,810 seniors (65+) · 27% of adults15,485 other adults

Sex

Female 52.8% · 14,201Male 47.2% · 12,684

Population by age

MaleFemale85+ years, male: 21485+ years, female: 46780–84 years, male: 24580–84 years, female: 28775–79 years, male: 44275–79 years, female: 68970–74 years, male: 71570–74 years, female: 76865–69 years, male: 85765–69 years, female: 1,12660–64 years, male: 1,00860–64 years, female: 1,03355–59 years, male: 87355–59 years, female: 1,09550–54 years, male: 92650–54 years, female: 95145–49 years, male: 73945–49 years, female: 81740–44 years, male: 65740–44 years, female: 71435–39 years, male: 72235–39 years, female: 81730–34 years, male: 76730–34 years, female: 88825–29 years, male: 77425–29 years, female: 78520–24 years, male: 66620–24 years, female: 63815–19 years, male: 81515–19 years, female: 83510–14 years, male: 75710–14 years, female: 6225–9 years, male: 8475–9 years, female: 9690–4 years, male: 6600–4 years, female: 70085+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 269 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

$41,621median household income

Median household income

$41,621

Half of households earn more, half earn less

Median earnings

$37,336

Typical yearly pay for a worker 25 or older.

Poverty rate

22.6%

About 1 in 4 residents

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

Union County Marital Status

40% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married40%41%40%
Never married33%34%31%
Divorced13%15%11%
Widowed10%6%14%
Separated4%4%4%

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