Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
18,937
People
Median age
38.9
Housing
Total households
6,480
Income
Median household income
$133,679
Housing
Total housing units
6,614
Employment
Employment rate
67.6%
Education
Bachelor’s degree or higher
34.8%
Healthcare
Insured population
96.5%
City details
Local time 03:25:14(ET)| Location | Holtsville, NY |
|---|---|
| Population (ZIP areas) | 12,699(sum of local ZIP code populations) |
| Total ZIP codes | 3total |
| ZIP codes (by type) | 1 Standard2 Unique |
| County | Suffolk |
| Area code | |
| Timezone | Eastern Time (ET) |
| Coordinates | 40.810354000000004, -73.0418748 |
| Land area | 5.1 sq miles(13,336,189 m²) |
Map of Holtsville, New York with ZIP codes
ZIP Codes in Holtsville
Explore the ZIP codes that make up Holtsville. Analyze key demographics and population stats for the region using the comprehensive table below.
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP type legend
- Standard: residential and business delivery areas
- PO BOX: primarily post office boxes; population may be unavailable
- Unique: high-volume organizations (universities, agencies, etc.)
Nearby cities
Other cities near Holtsville, NY.
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS