Bruin, PA Profile: Facts & Data


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Bruin, Pennsylvania - Basic Facts

The Borough of Bruin had a population of 493 as of July 1, 2020. Bruin ranks in the lower quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Pennsylvania. See peer rankings below.

The primary coordinate point for Bruin is located at latitude 41.0548 and longitude -79.7267 in Butler County. The formal boundaries for the Borough of Bruin encompass a land area of 1.83 sq. miles and a water area of 0 sq. miles. Butler County is in the Eastern time zone (GMT -5). The elevation is 1,102 feet.

The Borough of Bruin (GNIS ID: 1214984) 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.

Alternate Unofficial Names for Bruin: Martinsburg.


Bruin, PA Data & Demographics (As of July 1, 2020)


Total Population 493 (100%)
Population in Households 493 (100.0%)
Population in Families 425 (86.2%)
Population in Group Quarters1 0
Population Density 270
Diversity Index2 4


Median Household Income $57,203
Average Household Income $70,516
% of Income for Mortgage4 10%
Per Capita Income $27,241
Wealth Index5 64


Total HU (Housing Units) 217 (100%)
Owner Occupied HU 153 (70.5%)
Renter Occupied HU 32 (14.7%)
Vacant Housing Units 33 (15.2%)
Median Home Value $136,607
Average Home Value $187,097
Housing Affordability Index3 258


Total Households 184
Average Household Size 2.68
Family Households 137
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2020 2020-2025
Population -0.59% -0.33%
Households -0.41% -0.22%
Families -0.68% -0.29%
Median Household Income   1.87%
Per Capita Income   2.29%
Owner Occupied HU   -0.26%


Bruin, PA - Peer Comparisons by Rank and Percentile

The table below compares Bruin to the other 1,761 incorporated cities, towns and CDPs in Pennsylvania by rank and percentile using July 1, 2020 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 # 1323 25th
Population Density # 1615 8th
Median Household Income # 748 58th
Housing Affordability Index # 1403 80th
Per Capita Income # 1060 40th
Diversity Index # 1604 9th

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

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