Williamsville, NY Profile: Facts, Map & Data


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Williamsville, New York - Basic Facts

The Village of Williamsville had a population of 5,010 as of July 1, 2016. Williamsville ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in New York. See peer rankings below.

The primary coordinate point for Williamsville is located at latitude 42.9582 and longitude -78.7395 in Erie County. The formal boundaries for the Village of Williamsville (see map below) encompass a land area of 1.26 sq. miles and a water area of 0.01 sq. miles. Erie County is in the Eastern time zone (GMT -5). The elevation is 676 feet.

The Village of Williamsville (GNIS ID: 2391218) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The Village of Williamsville is located within Town of Amherst, a minor civil division (MCD) of Erie County.

Beneath the boundary map are tables with Williamsville population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Williamsville: Gah-da-ya-deh, Ga-sko-sa-da-ne-o.

Neighborhood Data

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Village of Williamsville, NY Boundary Map

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Williamsville, NY Data & Demographics (As of July 1, 2016)


Total Population 5,010
Population in Households 4,874
Population in Familes 3,467
Population in Group Qrtrs 136
Population Density1 3,983
Diversity Index2 21


Total Households 2,423
Average Household Size 2.01
Family Households 1,220
Average Family Size 3


Total Housing Units 2,703 (100%)
Owner Occupied HU 1,470 (54.4%)
Renter Occupied HU 953 (35.3%)
Vacant Housing Units 280 (10.4%)
Median Home Value $168,050
Average Home Value $201,566


Median Household Income $60,873
Average Household Income $85,346
Per Capita Income $41,943
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.9% -0.45%
Households -0.71% -0.35%
Families -0.41% -0.53%
Median Household Income   2.21%
Per Capita Income   1.82%
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.

Williamsville, NY - Peer Comparisons by Rank and Percentile

The table below compares Williamsville to the other 1,196 incorporated cities, towns and CDPs in New York by rank and percentile using July 1, 2016 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 # 348 71st
Population Density1 # 183 85th
Diversity Index2 # 625 48th
Median Household Income # 537 55th
Per Capita Income # 290 76th

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

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