Castle Shannon, PA Profile: Facts, Map & Data


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Castle Shannon, Pennsylvania - Basic Facts

The Borough of Castle Shannon had a population of 8,232 as of July 1, 2017. Castle Shannon 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 Castle Shannon is located at latitude 40.3664 and longitude -80.0194 in Allegheny County. The formal boundaries for the Borough of Castle Shannon (see map below) encompass a land area of 1.6 sq. miles and a water area of 0 sq. miles. Allegheny County is in the Eastern time zone (GMT -5). The elevation is 1,037 feet.

The Borough of Castle Shannon (GNIS ID: 1214779) 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 Castle Shannon 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 Castle Shannon, PA Boundary Map

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


Total Population 8,232
Daytime Population: Workers 2,770
Daytime Population: Residents 3,662
Total Daytime Population (TDP) 6,432
Ratio TDP/Total Population1 0.78
Population in Households 8,226
Population in Familes 5,946
Population in Group Qrtrs 6
Population Density2 5,155
Diversity Index3 17


Median Household Income $53,745
Average Household Income $63,786
Per Capita Income $30,096


Total Housing Units 4,182 (100%)
Owner Occupied HU 2,277 (54.4%)
Renter Occupied HU 1,606 (38.4%)
Vacant Housing Units 299 ( 7.1%)
Median Home Value $115,379
Average Home Value $119,807


Total Households 3,883
Average Household Size 2.12
Family Households 2,108
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 -0.14% -0.06%
Households -0.07% -0.01%
Families -0.23% -0.11%
Median Household Income   1.62%
Per Capita Income   2.61%

Castle Shannon, PA - Peer Comparisons by Rank and Percentile

The table below compares Castle Shannon 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 # 131 93rd
Population Density # 131 93rd
Diversity Index # 653 63rd
Median Household Income # 748 58th
Per Capita Income # 516 71st

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

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