Union County Population

1820–2026

41,985

2026 projection

1.6% since 2020 (decrease)

010K20K30K40K50K1850190019502000

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.
202641,985-3280.78%
202542,313-3280.77%
202442,641+4561.08%
202342,185-5281.24%
202242,713+2330.55%
202142,480-1790.42%
202042,659-1,8394.13%
201944,498-5921.31%
201845,090+3460.77%
201744,744-7831.72%

Showing 10 of 35 years.

Union County Demographics

41median age

Median age

Female42.5 yrs
Male39.1 yrs

Adults

35,086
8,439 seniors (65+) · 24% of adults26,647 other adults

Sex

Female 46.1% · 19,590Male 53.9% · 22,866

Population by age

MaleFemale85+ years, male: 51085+ years, female: 79380–84 years, male: 45580–84 years, female: 58375–79 years, male: 57875–79 years, female: 1,02570–74 years, male: 93170–74 years, female: 97665–69 years, male: 1,25165–69 years, female: 1,33760–64 years, male: 1,24860–64 years, female: 1,16855–59 years, male: 1,54255–59 years, female: 1,26350–54 years, male: 1,49950–54 years, female: 1,17745–49 years, male: 1,46345–49 years, female: 1,03640–44 years, male: 1,61640–44 years, female: 1,14835–39 years, male: 1,66635–39 years, female: 93530–34 years, male: 1,65730–34 years, female: 95825–29 years, male: 1,44225–29 years, female: 89320–24 years, male: 1,75220–24 years, female: 1,63915–19 years, male: 2,04615–19 years, female: 1,87510–14 years, male: 1,37310–14 years, female: 9375–9 years, male: 9445–9 years, female: 9040–4 years, male: 8930–4 years, female: 94385+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K1.5K1.5K

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 425 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

$76,404median household income

Median household income

$76,404

Half of households earn more, half earn less

Median earnings

$45,339

Typical yearly pay for a worker 25 or older.

Poverty rate

9%

About 1 in 11 residents

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

Union County Marital Status

48% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married48%46%50%
Never married36%42%28%
Divorced9%9%10%
Widowed6%2%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