Mars Flag

Mars

County:
Butler County
County Seat:
No
Area (mi²):
0.47
State:
Pennsylvania

Mars is a borough located in Butler County, Pennsylvania. Mars has a 2025 population of 1,403 . Mars is currently declining at a rate of -0.85% annually and its population has decreased by -3.9% since the most recent census, which recorded a population of 1,460 in 2020.

The average household income in Mars is $72,163 with a poverty rate of 12.33%. The median age in Mars is 53.9 years: 51.6 years for males, and 59.2 years for females. For every 100 females there are 84.8 males.

1.4K
Total Population
2,983
Density (mi²)
-12 -0.85%
Growth

Mars Population

Mars Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Mars includes 91.31% White, and smaller percentages for other race, Black or African American and multiracial populations.

Population by Race

White (91.31%)

Two or more races (7.97%)

Other race (0.56%)

Black or African American (0.16%)

Race
Population
Percentage (of total)
White1,14691.31%
Two or more races1007.97%
Other race70.56%
Black or African American20.16%

Mars Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Mars' average per capita income is $49,803. Household income levels show a median of $58,000. The poverty rate stands at 12.33%.

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$119,688-
Families$89,464$114,036
Households$58,000$72,163
Non Families$38,542$40,957

$49,803

Average Income

$58,000

Median Household Income

12.33%

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)