ZIP Code 11742 -- Holtsville, NY

Suffolk | 2024 American Community Survey Data

Key Insights

  • Households here earn 1.7x the national median income — placing this ZIP code in the top tier of American prosperity.
  • 83.64% of housing units are owner-occupied — indicating a stable, established neighborhood with strong homeownership.

Quick Overview

Population
13,202
Unknown
Median Income
$125,162
Home Value
$510,200
Median Rent
$2,400
Median Age
39.30
Diversity Index
52.90
Moderate
Cost of Living
189.3
very high
Unemployment
3.1%

About ZIP Code 11742

ZIP code 11742 in Holtsville, New York is a unknown area with a population of 13,202. The median household income is $125,162, which is This is 67% above the national median of $75,000.. The median home value is $510,200, representing a price-to-income ratio of 4.1x . The cost of living is very high with an index of 189.3 (the national average is 100). Residents have a median age of 39.30 years. Approximately 36.1% of adults hold a bachelor's degree or higher. This ZIP code is located in Suffolk, NY.

Population & Age

Total Population
13,202
Median Age
39.30
Male Population
6,698
50.7%
Female Population
6,504
49.3%
Density Classification
Unknown

Age Distribution

Race & Ethnicity

Diversity Index
52.90 Moderate
White
77.5%
Black or African American
4.1%
Hispanic or Latino
16.8%
Asian
2.5%
Native American
1.3%
Pacific Islander
0.0%
Two or More Races
9.5%
Other Race
5.1%

Racial Composition

Income & Economy

Median Household Income
$125,162
Mean Household Income
$157,038
Per Capita Income
$55,928
Below Poverty Line
5.6%

This is 67% above the national median of $75,000.

Income Distribution

Housing

Median Home Value
$510,200
Median Rent
$2,400
Total Housing Units
4,725
Occupied Units
4,651
Vacant Units
74
1.6% vacancy
Median Year Built
1977
Owner Occupied
83.6%
Renter Occupied
16.4%
Price-to-Income Ratio 4.1x

Moderately affordable

Ownership vs Rental

Owner 83.6% Renter 16.4%

Education

High School Diploma or Higher 90.1%
Bachelor's Degree or Higher 36.1%
Graduate or Professional Degree 18.0%

Employment & Commuting

Civilian Labor Force
7,691
Employment Rate
96.9%
Unemployment Rate
3.1%
Mean Commute Time
N/A

How People Get to Work

Drive Alone
77.7%
Carpool
7.0%
Public Transit
4.5%
Work from Home
8.4%

Cost of Living Index

189.3
very high

The cost of living in ZIP code 11742 is 89.3% above the national average of 100.

0 National Avg (100) 200

Compare 11742 with:

Compare 11742 with Another ZIP Code

Nearby ZIP Codes

Other ZIP Codes in Suffolk

ZIP Code City Population Median Income
11706 Kismet 68,976 $119,603
11746 Dix hills 65,747 $164,589
11772 Davis park 45,023 $105,245
11757 Lindenhurst 44,413 $127,889
11743 Halesite 43,490 $183,187
11704 West babylon 40,706 $129,195

Frequently Asked Questions about ZIP Code 11742

ZIP code 11742 (Holtsville, NY) has a total population of 13,202 according to the 2024 American Community Survey. The median age is 39.30 years.

The median household income in ZIP code 11742 is $125,162 per year, based on 2024 Census Bureau data. This is 67% above the national median of $75,000.

ZIP code 11742 is primarily located in Holtsville, New York (NY). It falls within Suffolk County.

The median home value in ZIP code 11742 is $510,200, based on the 2024 American Community Survey 5-year estimates. The median monthly rent is $2,400.

The median age in ZIP code 11742 is 39.30 years, compared to the national median of 38.9 years. This makes the area older than the national average.

ZIP code 11742 has a cost of living index of 189.33 (national average = 100). This means the cost of living is very high compared to the national average.

In ZIP code 11742, 36.10% of adults (25+) hold a bachelor's degree or higher, compared to the national average of 33.7%. 18.01% hold a graduate or professional degree.

The unemployment rate in ZIP code 11742 is 3.09%, which is below the national average of 3.6%. About 8.43% of workers work from home.

Explore More

Data sourced from the 2024 American Community Survey (U.S. Census Bureau). Learn more about our data sources.