11742   Zip Code Holtsville Suffolk NY United States

City Holtsville
County Suffolk
State New York
Latitude 40.81034
Longitude -73.0419
Population 13,202
Density 2564.51 people per square mile
Time Zone America/New York
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $125,162
Median individual: $54,535

Race

Mode: 77.5% White

Gender

 50.7% male 

Rent

  $2400 / month  

Median house value: $516,005.0

Age

Median: 39.3 years old

Education

With at least college degree: 36.1%
With STEM degree: 41.5%

Marital Status

 48.0% married 

Never married: 36.5%

Labor Force Participation

 70.4% working 

Unemployed: 3.1%

Average Family Size

 3.23 people 

Commute Time

 30.7 minutes 

Health Care

 3.5% uninsured 

Poverty

 5.6%

All data comes from the SimpleMaps US Zips Comprehensive Database, February 2026.

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