As of 2025 the population of Clinton County, OH is 41,837. The population is expected to shrink to 41,809 by 2030 - a growth rate of -0.01%.
The median age of Clinton County, OH residents is 42.
The diversity index of Clinton County, OH is 20.9, meaning that there is a 21% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.
The average household income in Clinton County, OH is $88,672 and projected to be $99,100 in 2030. Per capita income is $35,338, projected to be $39,777 in 2030. 2.67% of households – 1,118 – have an income of $200,000 or higher. Average net worth is $945,235 and the average disposable income is $69,506.
There are 18,106 housing units in Clinton County, OH; 11,700 are owner-occupied, 4,938 are rented, and 1,468 are vacant. The average home value is $253,354, with 781 homes built in 2010 or later, and 3,091 built in 1939 or earlier.
There are 1,452 businesses in Clinton County, OH, employing 23,058 workers and pulling from a labor force of 19,498 age 16 and above. 7,266 workers commute into Clinton County, OH from outside the county or state. Key industries for the area include:
12,013 residents both live and work in/around Clinton County, OH. The average travel time is 25.3 minutes. 5.84% people have a commute of less than 5 minutes while 2.37% commute 90 minutes or more each way. Of commuters, 15,842 drive alone, 1,364 carpool, and 65 take public transportation. 704 use other modes of transport such as motorcycle, bicycle, walking, etc. 1,466 residents work from home.
11,686 members of the workforce hold a high school diploma or GED. 3,699 have associates degrees, 3,815 have bachelor’s degrees, and 2,387 hold a graduate or professional degree.
