Williamsville, New York

Williamsville population, 2020 to 2024

Williamsville added 78 residents from July 2020 to July 2024, a change of +1.4%. In the latest year it moved by +26. Among 170 New York places of 5,000 or more, that growth ranks 36th; the median place changed by -0.5%. The median place of 5,000+ in New York has 10,324 people, so Williamsville is 53% of it.

Williamsville covers 1.26 square miles of land, for 4,356 people per square mile of land. The median New York place of 5,000+ has 3,760, so Williamsville is denser than the typical town.

What county Williamsville is in

All of Williamsville's residents live in Erie County, which had 950,602 residents in 2024. Williamsville holds 0.6% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Williamsville

1 ZIP Code Tabulation Area (ZCTA) overlaps Williamsville by at least 10% of the ZCTA's or the village's land: 14221. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a village that annexed land after 2020 may reach into ZIP codes not listed here.

Where Williamsville is

The Census internal point of Williamsville is at 42.958300, -78.739500. Albany, the capital, is 253.4 miles E in a straight line. The nearest larger place is Depew, NY (14,910 people), 3.7 miles away. The nearest city of 100,000 or more is Buffalo, NY, 7.6 miles away.

Daylight in Williamsville

At 42.96° N, Williamsville gets about 15 h 22 min of daylight around the June solstice and 9 h 01 min around the December solstice, a swing of 6 h 21 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Williamsville

The eight nearest incorporated places of 1,000+ in New York, measured between internal points. The closest is Depew, 3.7 miles away, with 14,910 people.