Mariemont Flag

Mariemont

County:
Hamilton County
County Seat:
No
Area (mi²):
0.894
State:
Ohio

Mariemont is a village located in Hamilton County, Ohio. Mariemont has a 2025 population of 3,391. Mariemont is currently declining at a rate of -0.73% annually and its population has decreased by -3.53% since the most recent census, which recorded a population of 3,515 in 2020.

The average household income in Mariemont is $220,886 with a poverty rate of 1.4%.The median age in Mariemont is 39.1 years: 36.9 years for males, and 39.8 years for females.

3.4K
Total Population
3,794
Density (mi²)
-25 -0.73%
Growth

Mariemont Population

Mariemont Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Mariemont includes 96.64% White, and smaller percentages for Two or more races, Black or African American, other race and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White3,36096.64%
Two or more races581.67%
Black or African American491.41%
Other race100.29%

Mariemont Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Mariemont's average per capita income is $95,344. Household income levels show a median of $153,507. The poverty rate stands at 1.4%.

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$206,071-
Families$199,545$296,044
Households$153,507$220,886
Non Families$51,875$74,903

$95,344

Average Income

$153,507

Median Household Income

1.4%

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)