Norristown, PA Profile: Facts, Map & Data


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Norristown, Pennsylvania - Basic Facts

The Borough of Norristown had a population of 34,179 as of July 1, 2015. Norristown 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 Norristown is located at latitude 40.1221 and longitude -75.3399 in Montgomery County. The formal boundaries for the Borough of Norristown (see map below) encompass a land area of 3.52 sq. miles and a water area of 0.09 sq. miles. Montgomery County is in the Eastern time zone (GMT -5). The elevation is 154 feet.

The Borough of Norristown (GNIS ID: 1215475) 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 Norristown population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2015.

Alternate Unofficial Names for Norristown: Norris, Norriton Plantation.

Borough of Norristown, PA Boundary Map


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Norristown, PA Data & Demographics (As of July 1, 2015)


Total Population 34,179
Population in Households 33,121
Population in Familes 25,096
Population in Group Qrtrs 1,058
Population Density1 9,712
Diversity Index2 84


Total Households 11,764
Average Household Size 2.82
Family Households 7,291
Average Family Size 3


Total Housing Units 13,565 (100%)
Owner Occupied HU 4,582 (33.8%)
Renter Occupied HU 7,182 (52.9%)
Vacant Housing Units 1,801 (13.3%)
Median Home Value $163,974
Average Home Value $166,647


Median Household Income $42,156
Average Household Income $53,851
Per Capita Income $18,644
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.08% -0.01%
Households -0.32% -0.07%
Families -0.53% -0.21%
Median Household Income   3.17%
Per Capita Income   2.56%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

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Norristown, PA - Peer Comparisons by Rank and Percentile

The table below compares Norristown to the other 1,764 incorporated cities, towns and CDPs in Pennsylvania by rank and percentile using July 1, 2015 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 # 15 99th
Population Density1 # 11 99th
Diversity Index2 # 4 100th
Median Household Income # 1251 29th
Per Capita Income # 1609 9th

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