Clinton County Population

1830–2026

37,168

2026 projection

0.7% since 2020 (increase)

010K20K30K40K1850190019502000

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.
202637,168+400.11%
202537,128+400.11%
202437,088+1500.41%
202336,938-1130.30%
202237,051+1360.37%
202136,91500.00%
202036,915-5251.40%
201937,440-2260.60%
201837,666+170.05%
201737,649+550.15%

Showing 10 of 34 years.

Clinton County Demographics

41.5median age

Median age

Female42.8 yrs
Male40.3 yrs

Adults

28,974
6,955 seniors (65+) · 24% of adults22,019 other adults

Sex

Female 48.2% · 17,811Male 51.8% · 19,143

Population by age

MaleFemale85+ years, male: 25285+ years, female: 59180–84 years, male: 37180–84 years, female: 45375–79 years, male: 59975–79 years, female: 55670–74 years, male: 71170–74 years, female: 86865–69 years, male: 1,37365–69 years, female: 1,18160–64 years, male: 1,34760–64 years, female: 1,40655–59 years, male: 1,47255–59 years, female: 1,27250–54 years, male: 1,17250–54 years, female: 1,06945–49 years, male: 1,19845–49 years, female: 1,01940–44 years, male: 1,15140–44 years, female: 1,13035–39 years, male: 1,52835–39 years, female: 1,10830–34 years, male: 1,28230–34 years, female: 1,07525–29 years, male: 1,20925–29 years, female: 1,03220–24 years, male: 1,02620–24 years, female: 83415–19 years, male: 1,09915–19 years, female: 99110–14 years, male: 1,00610–14 years, female: 1,0055–9 years, male: 1,2255–9 years, female: 1,2580–4 years, male: 1,1220–4 years, female: 96385+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 370 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

$86,588median household income

Median household income

$86,588

Half of households earn more, half earn less

Median earnings

$56,058

Typical yearly pay for a worker 25 or older.

Poverty rate

7.4%

About 1 in 14 residents

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

Clinton County Marital Status

56% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married56%54%58%
Never married28%34%21%
Divorced10%9%11%
Widowed6%3%10%
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