Clinton County Population

1840–2026

80,675

2026 projection

1.9% since 2020 (increase)

020K40K60K80K100K1840186018801900192019401960198020002020

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.
202680,675+2430.30%
202580,432+2430.30%
202480,189+3120.39%
202379,877+1850.23%
202279,692+2270.29%
202179,465+2970.38%
202079,168-4470.56%
201979,615+3860.49%
201879,229+6790.86%
201778,550+9111.17%

Showing 10 of 33 years.

Clinton County Demographics

41.8median age

Median age

Female42.8 yrs
Male40.8 yrs

Adults

62,621
14,971 seniors (65+) · 24% of adults47,650 other adults

Sex

Female 50.4% · 40,095Male 49.6% · 39,531

Population by age

MaleFemale85+ years, male: 71085+ years, female: 1,14080–84 years, male: 73880–84 years, female: 87475–79 years, male: 1,15375–79 years, female: 1,34070–74 years, male: 1,96470–74 years, female: 2,23865–69 years, male: 2,44365–69 years, female: 2,37160–64 years, male: 2,83060–64 years, female: 2,73055–59 years, male: 2,77355–59 years, female: 2,96250–54 years, male: 2,57150–54 years, female: 2,83345–49 years, male: 2,29245–49 years, female: 2,38640–44 years, male: 2,67940–44 years, female: 2,72035–39 years, male: 2,46035–39 years, female: 2,33630–34 years, male: 2,39430–34 years, female: 2,52025–29 years, male: 2,53325–29 years, female: 2,13520–24 years, male: 2,31720–24 years, female: 2,44015–19 years, male: 2,67315–19 years, female: 2,30910–14 years, male: 2,52110–14 years, female: 2,4635–9 years, male: 2,3925–9 years, female: 2,3780–4 years, male: 2,0880–4 years, female: 1,92085+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K

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 796 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

$88,210median household income

Median household income

$88,210

Half of households earn more, half earn less

Median earnings

$57,832

Typical yearly pay for a worker 25 or older.

Poverty rate

9.7%

About 1 in 10 residents

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

Clinton County Marital Status

54% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married54%55%53%
Never married29%31%27%
Divorced11%10%12%
Widowed6%3%8%
Separated<1%<1%<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