Clay, PA Profile: Facts, Map & Data


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Clay, Pennsylvania - Basic Facts

The Clay Census Designated Place had a population of 1,682 as of July 1, 2017.

The primary coordinate point for Clay is located at latitude 40.219 and longitude -76.239 in Lancaster County. The formal boundaries for the Clay Census Designated Place (see map below) encompass a land area of 2.23 sq. miles and a water area of 0.01 sq. miles. Lancaster County is in the Eastern time zone (GMT -5). The elevation is 354 feet.

The Clay Census Designated Place (GNIS ID: 2584446) 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 Clay Census Designated Place is located within Township of Clay, a minor civil division (MCD) of Lancaster County.

Beneath the boundary map are tables with Clay population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Neighborhood Data

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Clay Census Designated Place, PA Boundary Map

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Boundary Maps: Township of Clay | Lancaster County | Pennsylvania Counties

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


Total Population 1,682
Daytime Population: Workers 351
Daytime Population: Residents 856
Total Daytime Population (TDP) 1,207
Ratio TDP/Total Population1 0.72
Population in Households 1,682
Population in Familes 1,507
Population in Group Qrtrs 0
Population Density2 754
Diversity Index3 16


Median Household Income $67,976
Average Household Income $92,140
Per Capita Income $32,220


Total Housing Units 694 (100%)
Owner Occupied HU 537 (77.4%)
Renter Occupied HU 116 (16.7%)
Vacant Housing Units 41 ( 5.9%)
Median Home Value $230,088
Average Home Value $284,851


Total Households 653
Average Household Size 2.58
Family Households 522
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 1.05% 0.96%
Households 1.01% 0.93%
Families 1.58% 0.87%
Median Household Income   4.01%
Per Capita Income   3.74%

Clay, PA - Peer Comparisons by Rank and Percentile

The table below compares Clay 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 # 719 59th
Population Density # 1199 32nd
Diversity Index # 696 61st
Median Household Income # 267 85th
Per Capita Income # 369 79th

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

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