Williston Park Population

1930–2026

7,515

2026 projection

1% since 2020 (decrease)

02K4K6K8K10K19401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

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Population by year

Population estimates for Williston Park. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20267,515-90.12%
20257,524-60.08%
20247,530+300.40%
20237,500-120.16%
20227,512-430.57%
20217,555-360.47%
20207,591-40.05%
20197,595+200.26%
20187,575+160.21%
20177,559+390.52%

Showing 10 of 25 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Williston Park has a population change about the same as New York, and lower than Nassau County and the U.S.

  • United States+3.1%
  • Nassau County+0.6%
  • Williston Park−0.6%
  • New York−0.6%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Williston Park Demographics

40.5median age

Median age

Female43.1 yrs
Male37.7 yrs

Adults

5,676
1,144 seniors (65+) · 20% of adults4,532 other adults

Sex

Female 48.6% · 3,664Male 51.4% · 3,878

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 75 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Williston Park Income

$156,382median household income

Median household income

$156,382

Half of households earn more, half earn less

Median earnings

$80,601

Typical yearly pay for a worker 25 or older.

Poverty rate

3.2%

About 1 in 31 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Williston Park Marital Status

55% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married55%55%54%
Never married29%35%24%
Divorced8%7%10%
Widowed6%2%10%
Separated2%1%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201