Thorndale, PA Profile: Facts, Map & Data


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Thorndale, Pennsylvania - Basic Facts

The Thorndale Census Designated Place had a population of 3,770 as of July 1, 2017. Thorndale ranks in the upper quartile for 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 Thorndale is located at latitude 40.0018 and longitude -75.7508 in Chester County. The formal boundaries for the Thorndale Census Designated Place (see map below) encompass a land area of 1.85 sq. miles and a water area of 0.02 sq. miles. Chester County is in the Eastern time zone (GMT -5). The elevation is 341 feet.

The Thorndale Census Designated Place (GNIS ID: 2390385) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Thorndale Census Designated Place is located within Township of Caln, a minor civil division (MCD) of Chester County.

Beneath the boundary map are tables with Thorndale 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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Thorndale Census Designated Place, PA Boundary Map

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Boundary Maps: Township of Caln | Chester County | Pennsylvania Counties

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


Total Population 3,770
Daytime Population: Workers 1,885
Daytime Population: Residents 1,498
Total Daytime Population (TDP) 3,383
Ratio TDP/Total Population1 0.90
Population in Households 3,766
Population in Familes 3,044
Population in Group Qrtrs 4
Population Density2 2,044
Diversity Index3 40


Median Household Income $69,428
Average Household Income $92,641
Per Capita Income $36,119


Total Housing Units 1,587 (100%)
Owner Occupied HU 1,111 (70.0%)
Renter Occupied HU 409 (25.8%)
Vacant Housing Units 66 ( 4.2%)
Median Home Value $233,747
Average Home Value $270,320


Total Households 1,521
Average Household Size 2.48
Family Households 1,028
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 1.41% 1.0%
Households 1.33% 0.98%
Families 1.91% 0.88%
Median Household Income   2.63%
Per Capita Income   2.74%

Thorndale, PA - Peer Comparisons by Rank and Percentile

The table below compares Thorndale 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 # 368 79th
Population Density # 676 62nd
Diversity Index # 197 89th
Median Household Income # 248 86th
Per Capita Income # 197 89th

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

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