Williamsville Flag

Williamsville

County:
Erie County
County Seat:
No
Area (mi²):
1.258
State:
New York

Williamsville is a village located in Erie County, New York. Williamsville has a 2026 population of 5,489. Williamsville is currently growing at a rate of 0.48% annually and its population has increased by 1.44% since the most recent census, which recorded a population of 5,411 in 2020.

5.5K
Total Population
4,363
Density (mi²)
26 0.48%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)