Mason is located in Warren County, Ohio. Mason has a 2025 population of 945 . Mason is currently declining at a rate of -0.63% annually and its population has decreased by -4.16% since the most recent census, which recorded a population of 986 in 2020.
The average household income in Mason is $39,214 with a poverty rate of 32.8%. The median age in Mason is 37.2 years: 38.3 years for males, and 33.8 years for females. For every 100 females there are 110.5 males.
Data after 2023 is projected based on recent change
The racial composition of Mason includes 97.76% White, and smaller percentages for Two or more races and multiracial populations.
White (97.76%)
Two or more races (2.24%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 918 | 97.76% |
| Two or more races | 21 | 2.24% |
Married
Widowed
Divorced
Separated
Never Married
Mason's average per capita income is $36,280. Household income levels show a median of $31,739. The poverty rate stands at 32.8%.
Name | Median | Mean |
|---|---|---|
| Families | $38,277 | $47,497 |
| Married Families | $38,243 | - |
| Households | $31,739 | $39,214 |
| Non Families | $20,673 | $23,909 |
Average Income
Median Household Income
Poverty Rate