Mars, PA Profile: Facts, Map & Data


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Mars, Pennsylvania - Basic Facts

The Borough of Mars had a population of 1,726 as of July 1, 2015. Mars ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Pennsylvania. See peer rankings below.

The primary coordinate point for Mars is located at latitude 40.6969 and longitude -80.0141 in Butler County. The formal boundaries for the Borough of Mars (see map below) encompass a land area of 0.47 sq. miles and a water area of 0 sq. miles. Butler County is in the Eastern time zone (GMT -5). The elevation is 1,037 feet.

The Borough of Mars (GNIS ID: 1214997) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Beneath the boundary map are tables with Mars population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2015.

Neighborhood Data

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Borough of Mars, PA Boundary Map

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Mars, PA Data & Demographics (As of July 1, 2015)


Total Population 1,726
Population in Households 1,470
Population in Familes 1,141
Population in Group Qrtrs 256
Population Density1 3,667
Diversity Index2 7


Total Households 717
Average Household Size 2.05
Family Households 428
Average Family Size 3


Total Housing Units 757 (100%)
Owner Occupied HU 430 (56.8%)
Renter Occupied HU 286 (37.8%)
Vacant Housing Units 40 ( 5.3%)
Median Home Value $207,627
Average Home Value $265,640


Median Household Income $60,984
Average Household Income $76,020
Per Capita Income $29,905
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.3% 0.37%
Households 0.65% 0.52%
Families 2.29% 0.28%
Median Household Income   4.37%
Per Capita Income   3.08%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


Mars, PA - Peer Comparisons by Rank and Percentile

The table below compares Mars to the other 1,764 incorporated cities, towns and CDPs in Pennsylvania by rank and percentile using July 1, 2015 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 715 59th
Population Density1 # 293 83rd
Diversity Index2 # 1201 33rd
Median Household Income # 400 77th
Per Capita Income # 385 78th

Additional comparisons and rankings can be made with a VERY EASY TO USE Pennsylvania Census Data Comparison Tool.