Clinton County Population

1790–2026

78,444

2026 projection

1.6% since 2020 (decrease)

020K40K60K80K100K18001850190019502000

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 Clinton County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202678,444+3060.39%
202578,138+3060.39%
202477,832-730.09%
202377,905-1060.14%
202278,011-1,0231.29%
202179,034-6790.85%
202079,713-3180.40%
201980,031-6440.80%
201880,675+800.10%
201780,595+740.09%

Showing 10 of 38 years.

Clinton County Demographics

41.9median age

Median age

Female42.3 yrs
Male41.5 yrs

Adults

64,328
14,913 seniors (65+) · 23% of adults49,415 other adults

Sex

Female 49.2% · 38,582Male 50.8% · 39,911

Population by age

MaleFemale85+ years, male: 49185+ years, female: 99480–84 years, male: 63680–84 years, female: 84175–79 years, male: 1,46575–79 years, female: 1,47670–74 years, male: 2,26170–74 years, female: 2,01365–69 years, male: 2,20265–69 years, female: 2,53460–64 years, male: 3,04660–64 years, female: 2,99655–59 years, male: 2,64155–59 years, female: 2,72350–54 years, male: 2,74250–54 years, female: 2,37145–49 years, male: 2,27745–49 years, female: 2,01040–44 years, male: 3,11540–44 years, female: 2,25035–39 years, male: 2,21435–39 years, female: 2,17230–34 years, male: 2,57730–34 years, female: 2,12225–29 years, male: 2,49425–29 years, female: 2,17120–24 years, male: 3,31420–24 years, female: 3,38615–19 years, male: 2,49115–19 years, female: 2,86010–14 years, male: 2,11110–14 years, female: 2,2095–9 years, male: 2,0715–9 years, female: 1,8360–4 years, male: 1,7630–4 years, female: 1,61885+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K3K3K

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 785 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

Clinton County Income

$71,224median household income

Median household income

$71,224

Half of households earn more, half earn less

Median earnings

$52,298

Typical yearly pay for a worker 25 or older.

Poverty rate

13.7%

About 1 in 7 residents

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

Clinton 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%48%47%
Never married34%36%32%
Divorced11%10%12%
Widowed5%3%8%
Separated3%3%2%

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