Plum, PA Profile: Facts, Map & Data


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Plum, Pennsylvania - Basic Facts

The Borough of Plum had a population of 27,472 as of July 1, 2017.

The primary coordinate point for Plum is located at latitude 40.5019 and longitude -79.7482 in Allegheny County. The formal boundaries for the Borough of Plum (see map below) encompass a land area of 28.58 sq. miles and a water area of 0.38 sq. miles. Allegheny County is in the Eastern time zone (GMT -5). The elevation is 1,142 feet.

The Borough of Plum (GNIS ID: 1217440) 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 Plum population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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Borough of Plum, PA Boundary Map

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Plum, PA Data & Demographics (As of July 1, 2017)


Total Population 27,472
Daytime Population: Workers 7,150
Daytime Population: Residents 13,406
Total Daytime Population (TDP) 20,556
Ratio TDP/Total Population1 0.75
Population in Households 27,333
Population in Familes 23,164
Population in Group Qrtrs 139
Population Density2 961
Diversity Index3 16


Median Household Income $70,124
Average Household Income $85,367
Per Capita Income $34,650


Total Housing Units 11,681 (100%)
Owner Occupied HU 8,577 (73.4%)
Renter Occupied HU 2,538 (21.7%)
Vacant Housing Units 566 ( 4.8%)
Median Home Value $144,980
Average Home Value $164,393


Total Households 11,115
Average Household Size 2.46
Family Households 7,843
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. 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 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.


2010-2017 2017-2022
Population 0.17% 0.16%
Households 0.29% 0.23%
Families 0.17% 0.15%
Median Household Income   2.08%
Per Capita Income   2.74%

Plum, PA - Peer Comparisons by Rank and Percentile

The table below compares Plum to the other 1,762 incorporated cities, towns and CDPs in Pennsylvania by rank and percentile using July 1, 2017 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 # 22 99th
Population Density # 1094 38th
Diversity Index # 702 60th
Median Household Income # 240 86th
Per Capita Income # 249 86th

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

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