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, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Asian

Black or African American

Two or more races

Other race

Native American

Native Hawaiian or Pacific Islander

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%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

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