Mason

County:: Effingham County
County Seat:: No
Area (mi²):: 1.287
State:: Illinois

Mason is a town located in Effingham County, Illinois. Mason has a 2025 population of 315. Mason is currently declining at a rate of -0.63% annually and its population has decreased by -3.08% since the most recent census, which recorded a population of 325 in 2020.

The average household income in Mason is $64,997 with a poverty rate of 24.11%.The median age in Mason is 36.9 years: 38.5 years for males, and 36.3 years for females.

Demographics

The racial composition of Mason includes 89.04% White, 7.12% Asian, and smaller percentages for and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	325	89.04%
Asian	26	7.12%
Two or more races	14	3.84%

Mason Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Mason's average per capita income is $40,417. Household income levels show a median of $63,472. The poverty rate stands at 24.11%.

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	$78,750	-
Families	$68,750	$70,671
Households	$63,472	$64,997
Non Families	$52,500	$52,572

$40,417

Average Income

$63,472

Median Household Income

24.11%

Poverty Rate