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 2026 population of 1,392. Mars is currently declining at a rate of -0.78% annually and its population has decreased by -4.66% since the most recent census, which recorded a population of 1,460 in 2020.

The median household income in Mars is $50,938 with a poverty rate of 9.97%. The median age in Mars is 54.8 years: 54.5 years for males, and 59.2 years for females. For every 100 females there are 85.7 males.

1.4K
Total Population
2,959
Density (mi²)
-11 -0.78%
Growth

Mars Population

Mars Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,392-11-0.78%
20251,403-12-0.85%
20241,415-8-0.56%
20231,423-7-0.49%
20221,430-13-0.9%
20211,443-17-1.16%
20201,460-1-0.07%
20191,617-7-0.43%
20181,624-13-0.79%
20171,637-8-0.49%
20161,645-12-0.72%
20151,657-5-0.3%
20141,662-17-1.01%
20131,679-7-0.42%
20121,686-7-0.41%
20111,693-6-0.35%
20101,69900%

Median Age

Overall: 54.8 years
Female: 59.2 years
Male: 54.5 years

Mars Adults

There are 1,109 adults, (458 of whom are seniors) in Mars.

Sex Ratio

Female: 692 (53.9%)
Male: 593 (46.1%)

Demographics

The racial composition of Mars includes 91.21% White, and smaller percentages for Black or African American, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,17291.21%
Two or more races997.7%
Black or African American70.54%
Other race70.54%
Race
Population ↓
Percentage (of total)
Two or more races876.77%
White131.01%
Other race70.54%
Race
Population ↓
Percentage (of total)
White1,15990.19%
Two or more races120.93%
Black or African American70.54%

Mars Marital Status

Economics and Income Statistics

Mars ' average per capita income is $58,750. Household income levels show a median of $50,938. The poverty rate stands at 9.97%.

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$111,667-
Families$105,938$161,637
Households$50,938$92,876
Non Families$26,477$35,694

$58,750

Average Income

$50,938

Median Household Income

9.97%

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)