Demographics in Holtsville, NY

Population, age, race, ethnicity, and household statistics — 2023 ACS Data

Where is Holtsville?

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Population

Source: U.S. Census Bureau ACS (2023)

Total Population

19,250

Male

9,511

49.4%

Female

9,739

50.6%

Median Age

39.7

Race & Ethnicity

Source: U.S. Census Bureau ACS (2023)
White
79.7%
Black
5.3%
Hispanic
15.9%
Asian
3.6%
Two or More
6.2%
Other
4.3%

Education & Household

Source: U.S. Census Bureau ACS (2023)

Bachelor's or Higher

23.8%

High School or Higher

42.6%

Foreign Born

12.2%

Veterans

3.0%

Married

43.1%

Avg Household Size

3.0

Marital Status by Age

Source: U.S. Census Bureau ACS (2023)

Holtsville, NY has a population of 19,250 with a median age of 39.7. The racial makeup is 79.7% White, 15.9% Hispanic, 5.3% Black, 3.6% Asian. About 23.8% of residents hold a bachelor's degree or higher. The foreign-born population is 12.2%.