Clinton County Population

1810–2026

42,556

2026 projection

1.2% since 2020 (increase)

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 Clinton County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202642,556+2550.60%
202542,301+2550.61%
202442,046+390.09%
202342,007+1140.27%
202241,893-2490.59%
202142,142+1070.25%
202042,035+330.08%
201942,002-1170.28%
201842,119+840.20%
201742,035+1120.27%

Showing 10 of 36 years.

Clinton County Demographics

40.8median age

Median age

Female41.6 yrs
Male39.7 yrs

Adults

32,482
7,803 seniors (65+) · 24% of adults24,679 other adults

Sex

Female 50.4% · 21,171Male 49.6% · 20,841

Population by age

MaleFemale85+ years, male: 47985+ years, female: 56280–84 years, male: 29980–84 years, female: 46475–79 years, male: 46375–79 years, female: 76970–74 years, male: 98070–74 years, female: 1,17065–69 years, male: 1,29765–69 years, female: 1,32060–64 years, male: 1,58260–64 years, female: 1,36555–59 years, male: 1,29255–59 years, female: 1,53750–54 years, male: 1,39650–54 years, female: 1,33745–49 years, male: 1,16545–49 years, female: 1,18140–44 years, male: 1,43740–44 years, female: 1,37335–39 years, male: 92935–39 years, female: 1,16730–34 years, male: 1,31630–34 years, female: 1,16525–29 years, male: 1,18525–29 years, female: 1,16520–24 years, male: 1,39020–24 years, female: 1,47815–19 years, male: 1,52715–19 years, female: 1,38310–14 years, male: 1,46910–14 years, female: 1,2145–9 years, male: 1,3035–9 years, female: 1,4410–4 years, male: 1,3320–4 years, female: 1,08085+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 420 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

$70,407median household income

Median household income

$70,407

Half of households earn more, half earn less

Median earnings

$45,972

Typical yearly pay for a worker 25 or older.

Poverty rate

12.9%

About 1 in 8 residents

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

Clinton County Marital Status

51% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married51%52%50%
Never married28%30%26%
Divorced13%12%13%
Widowed7%4%10%
Separated2%2%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