Clinton County Population

1830–2026

33,337

2026 projection

0.5% since 2020 (increase)

05K10K15K20K25K30K35K1850190019502000

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.
202633,337+150.05%
202533,322+150.05%
202433,307+2160.65%
202333,091+2210.67%
202232,870-1240.38%
202132,994-1910.58%
202033,185+8872.75%
201932,298+1850.58%
201832,113-420.13%
201732,155-10.00%

Showing 10 of 34 years.

Clinton County Demographics

36.7median age

Median age

Female38.9 yrs
Male35.6 yrs

Adults

24,096
5,337 seniors (65+) · 22% of adults18,759 other adults

Sex

Female 50.2% · 16,532Male 49.8% · 16,412

Population by age

MaleFemale85+ years, male: 26885+ years, female: 41280–84 years, male: 25080–84 years, female: 37575–79 years, male: 31475–79 years, female: 52570–74 years, male: 79570–74 years, female: 60365–69 years, male: 76965–69 years, female: 1,02660–64 years, male: 82060–64 years, female: 1,07355–59 years, male: 1,21055–59 years, female: 1,09050–54 years, male: 1,03150–54 years, female: 90045–49 years, male: 95045–49 years, female: 92640–44 years, male: 83440–44 years, female: 1,10035–39 years, male: 1,21335–39 years, female: 85130–34 years, male: 98330–34 years, female: 1,01325–29 years, male: 96925–29 years, female: 98520–24 years, male: 1,01720–24 years, female: 93915–19 years, male: 1,30215–19 years, female: 1,17110–14 years, male: 1,37710–14 years, female: 1,0015–9 years, male: 1,2485–9 years, female: 1,3590–4 years, male: 1,0620–4 years, female: 1,18385+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 329 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

$65,019median household income

Median household income

$65,019

Half of households earn more, half earn less

Median earnings

$45,311

Typical yearly pay for a worker 25 or older.

Poverty rate

9.8%

About 1 in 10 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%32%25%
Divorced12%11%14%
Widowed7%4%10%
Separated1%1%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