Wilmington Flag

Wilmington

County:
Clinton County
County Seat:
Yes
Area (mi²):
12.942
State:
Ohio

Wilmington is a city located in Clinton County, Ohio. Wilmington has a 2026 population of 12,628. It is also the county seat of Clinton County. Wilmington is currently declining at a rate of -0.04% annually and its population has decreased by -0.26% since the most recent census, which recorded a population of 12,661 in 2020.

The median household income in Wilmington is $57,199 with a poverty rate of 17.46%. The median age in Wilmington is 36.3 years: 34.4 years for males, and 38.2 years for females. For every 100 females there are 87.1 males.

12.6K
Total Population
976
Density (mi²)
-5 -0.04%
Growth

Wilmington Population

Wilmington Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202612,628-5-0.04%
202512,633-6-0.05%
202412,639370.29%
202312,60230.02%
202212,599-73-0.58%
202112,672110.09%
202012,661-2-0.02%
201912,438-49-0.39%
201812,487190.15%
201712,468200.16%
201612,448-37-0.3%
201512,485570.46%
201412,428-52-0.42%
201312,480-14-0.11%
201212,494-46-0.37%
201112,540-2-0.02%
201012,542220.18%
200011,9217226.45%
199011,1997687.36%
198010,4313803.78%
197010,0511,13612.74%
19608,9151,52820.68%
19507,3871,41623.71%
19405,97163911.98%
19305,3322955.86%
19205,03754612.16%
19104,49187824.3%
19003,61353417.34%
18903,07933412.17%
18802,74500%

Median Age

Overall: 36.3 years
Female: 38.2 years
Male: 34.4 years

Wilmington Adults

There are 9,912 adults, (2,610 of whom are seniors) in Wilmington.

Sex Ratio

Female: 6,744 (53.4%)
Male: 5,876 (46.6%)

Demographics

The racial composition of Wilmington includes 86.16% White, 4.87% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White10,87486.16%
Two or more races7285.77%
Black or African American6154.87%
Other race2912.31%
Asian920.73%
Native American160.13%
Native Hawaiian or Pacific Islander40.03%
Race
Population ↓
Percentage (of total)
Other race2301.82%
White630.5%
Two or more races450.36%
Black or African American190.15%
Race
Population ↓
Percentage (of total)
White10,81185.67%
Two or more races6835.41%
Black or African American5964.72%
Asian920.73%
Other race610.48%
Native American160.13%
Native Hawaiian or Pacific Islander40.03%

Wilmington Marital Status

Economics and Income Statistics

Wilmington 's average per capita income is $42,235. Household income levels show a median of $57,199. The poverty rate stands at 17.46%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$87,260-
Families$78,120$82,847
Households$57,199$67,519
Non Families$46,340$52,168

$42,235

Average Income

$57,199

Median Household Income

17.46%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)