Uniondale Flag

Uniondale

County:
Nassau County
County Seat:
No
Area (mi²):
5.711
State:
New York

Uniondale is a CDP located in Nassau County, New York. Uniondale has a 2025 population of 35,300. Uniondale is currently growing at a rate of 2.03% annually and its population has increased by 8.21% since the most recent census, which recorded a population of 32,621 in 2020.

The average household income in Uniondale is $139,090 with a poverty rate of 10.53%.The median age in Uniondale is 35 years: 35.3 years for males, and 34.7 years for females.

35.3K
Total Population
6,181
Density (mi²)
702 2.03%
Growth

Uniondale Population

Demographics

Economics and Income Statistics

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)