Mason

County:: Warren County
County Seat:: No
Area (mi²):: 19.262
State:: Ohio

Mason is a city located in Warren County, Ohio. Mason has a 2025 population of 36,178. Mason is currently growing at a rate of 0.72% annually and its population has increased by 3.72% since the most recent census, which recorded a population of 34,882 in 2020.

The average household income in Mason is $161,798 with a poverty rate of 3.99%.The median age in Mason is 42.2 years: 41.5 years for males, and 43.4 years for females.

Demographics

The racial composition of Mason includes 74.83% White, 14.09% Asian, 5.36% Black or African American, and smaller percentages for other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	26,300	74.83%
Asian	4,953	14.09%
Black or African American	1,884	5.36%
Two or more races	1,511	4.3%
Other race	500	1.42%

Mason Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Mason's average per capita income is $72,798. Household income levels show a median of $124,407. The poverty rate stands at 3.99%.

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	$157,564	-
Families	$145,498	$182,417
Households	$124,407	$161,798
Non Families	$77,637	$89,737

$72,798

Average Income

$124,407

Median Household Income

3.99%

Poverty Rate