Addison, PA Profile: Facts, Map & Data


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Addison, Pennsylvania - Basic Facts

The Borough of Addison had a population of 207 as of July 1, 2017. Addison 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 Addison is located at latitude 39.7452 and longitude -79.3344 in Somerset County. The formal boundaries for the Borough of Addison (see map below) encompass a land area of 0.54 sq. miles and a water area of 0 sq. miles. Somerset County is in the Eastern time zone (GMT -5). The elevation is 2,044 feet.

The Borough of Addison (GNIS ID: 1215580) 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 Addison 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 Addison: Petersburg.

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Borough of Addison, PA Boundary Map

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


Total Population 207
Daytime Population: Workers 21
Daytime Population: Residents 141
Total Daytime Population (TDP) 162
Ratio TDP/Total Population1 0.78
Population in Households 204
Population in Familes 167
Population in Group Qrtrs 3
Population Density2 381
Diversity Index3 6


Median Household Income $47,341
Average Household Income $61,853
Per Capita Income $25,967


Total Housing Units 103 (100%)
Owner Occupied HU 69 (67.0%)
Renter Occupied HU 15 (14.6%)
Vacant Housing Units 19 (18.4%)
Median Home Value $125,000
Average Home Value $163,235


Total Households 84
Average Household Size 2.43
Family Households 58
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 0.0% -0.29%
Households 0.0% 0.0%
Families -0.47% -0.35%
Median Household Income   2.9%
Per Capita Income   3.74%

Addison, PA - Peer Comparisons by Rank and Percentile

The table below compares Addison 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 # 1612 9th
Population Density # 1519 14th
Diversity Index # 1426 19th
Median Household Income # 1096 38th
Per Capita Income # 894 49th

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

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