Carnegie, PA Profile: Facts, Map & Data


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Carnegie, Pennsylvania - Basic Facts

The Borough of Carnegie had a population of 7,826 as of July 1, 2017. Carnegie ranks in the upper 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 Carnegie is located at latitude 40.408 and longitude -80.086 in Allegheny County. The formal boundaries for the Borough of Carnegie (see map below) encompass a land area of 1.62 sq. miles and a water area of 0 sq. miles. Allegheny County is in the Eastern time zone (GMT -5). The elevation is 774 feet.

The Borough of Carnegie (GNIS ID: 1214778) 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 Carnegie population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Carnegie: Chartiers, Mansfield, Mansfield Valley, Rich Valley.

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Borough of Carnegie, PA Boundary Map

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


Total Population 7,826
Daytime Population: Workers 3,951
Daytime Population: Residents 3,991
Total Daytime Population (TDP) 7,942
Ratio TDP/Total Population1 1.01
Population in Households 7,810
Population in Familes 5,319
Population in Group Qrtrs 16
Population Density2 4,837
Diversity Index3 29


Median Household Income $45,227
Average Household Income $66,389
Per Capita Income $32,754


Total Housing Units 4,361 (100%)
Owner Occupied HU 1,912 (43.8%)
Renter Occupied HU 1,945 (44.6%)
Vacant Housing Units 504 (11.6%)
Median Home Value $120,631
Average Home Value $131,786


Total Households 3,857
Average Household Size 2.02
Family Households 1,924
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 -0.25% -0.12%
Households -0.15% -0.07%
Families -0.35% -0.2%
Median Household Income   2.38%
Per Capita Income   2.85%

Carnegie, PA - Peer Comparisons by Rank and Percentile

The table below compares Carnegie 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 # 142 92nd
Population Density # 160 91st
Diversity Index # 344 81st
Median Household Income # 1192 32nd
Per Capita Income # 343 81st

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

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