West Seneca, NY Profile: Facts, Map & Data


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West Seneca, New York - Basic Facts

The West Seneca Census Designated Place had a population of 45,191 as of July 1, 2017. West Seneca ranks in the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in New York. See peer rankings below.

The primary coordinate point for West Seneca is located at latitude 42.8378 and longitude -78.7512 in Erie County. The formal boundaries for the West Seneca Census Designated Place (see map below) encompass a land area of 21.36 sq. miles and a water area of 0.06 sq. miles. Erie County is in the Eastern time zone (GMT -5). The elevation is 597 feet.

The West Seneca Census Designated Place (GNIS ID: 2390491) 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 West Seneca Census Designated Place is located within Town of West Seneca, a minor civil division (MCD) of Erie County.

Beneath the boundary map are tables with West Seneca 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 West Seneca: Limestone Hill.

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West Seneca Census Designated Place, NY Boundary Map

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West Seneca, NY Data & Demographics (As of July 1, 2017)


Total Population 45,191
Daytime Population: Workers 16,990
Daytime Population: Residents 22,028
Total Daytime Population (TDP) 39,018
Ratio TDP/Total Population1 0.86
Population in Households 44,741
Population in Familes 35,835
Population in Group Qrtrs 450
Population Density2 2,116
Diversity Index3 11


Median Household Income $57,333
Average Household Income $72,172
Per Capita Income $31,361


Total Housing Units 20,405 (100%)
Owner Occupied HU 14,631 (71.7%)
Renter Occupied HU 4,815 (23.6%)
Vacant Housing Units 959 ( 4.7%)
Median Home Value $138,141
Average Home Value $151,683


Total Households 19,446
Average Household Size 2.3
Family Households 12,251
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 0.15% 0.2%
Households 0.21% 0.22%
Families 0.03% 0.11%
Median Household Income   1.18%
Per Capita Income   2.23%

West Seneca, NY - Peer Comparisons by Rank and Percentile

The table below compares West Seneca to the other 1,196 incorporated cities, towns and CDPs in New York 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 # 21 98th
Population Density # 408 66th
Diversity Index # 975 19th
Median Household Income # 643 46th
Per Capita Income # 600 50th

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

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