Mason Flag

Mason

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

Mason is a town located in Effingham County, Illinois. Mason has a 2026 population of 319. Mason is currently declining at a rate of -0.31% annually and its population has decreased by -1.85% since the most recent census, which recorded a population of 325 in 2020.

The median household income in Mason is $65,455 with a poverty rate of 35.55%. The median age in Mason is 29.8 years: 35.5 years for males, and 25.8 years for females. For every 100 females there are 83.9 males.

319
Total Population
248
Density (mi²)
-1 -0.31%
Growth

Mason Population

Mason Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026319-1-0.31%
2025320-1-0.31%
202432110.31%
202332000%
2022320-2-0.62%
2021322-3-0.92%
202032500%
2019335-2-0.59%
201833700%
2017337-1-0.3%
2016338-1-0.29%
201533900%
2014339-2-0.59%
201334100%
2012341-1-0.29%
2011342-3-0.87%
2010344-1-0.29%

Median Age

Overall: 29.8 years
Female: 25.8 years
Male: 35.5 years

Mason Adults

There are 316 adults, (50 of whom are seniors) in Mason.

Sex Ratio

Female: 254 (54.4%)
Male: 213 (45.6%)

Demographics

The racial composition of Mason includes 94.65% White, and smaller percentages for Two or more races, Asian, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White44294.65%
Two or more races122.57%
Asian81.71%
Other race51.07%
Race
Population ↓
Percentage (of total)
Two or more races51.07%
Other race51.07%
Race
Population ↓
Percentage (of total)
White44294.65%
Asian81.71%
Two or more races71.5%

Mason Marital Status

Economics and Income Statistics

Mason 's average per capita income is $37,232. Household income levels show a median of $65,455. The poverty rate stands at 35.55%.

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$68,750-
Households$65,455$64,113
Non Families$62,188$58,902
Families$56,250$64,055

$37,232

Average Income

$65,455

Median Household Income

35.55%

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)