ZIP code
11742
Holtsville, NY
11742 covers Holtsville in Suffolk County, with 13,194 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 11742. Methodology
ZIP code map of 11742
About ZIP code 11742
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 11742. Not ACS. Methodology
People in 11742
Race
- White10,050
- Black or African American330
- American Indian or Alaska Native38
- Asian753
- Native Hawaiian and Pacific Islander1
- Other race511
- Two or more races1,016
Hispanic or Latino (any race): 1,669
Age
- Under 101,233
- 10 to 191,532
- 20 to 291,677
- 30 to 391,595
- 40 to 491,736
- 50 to 592,231
- 60 to 691,443
- 70 to 79921
- 80 and older331
Income and housing in 11742
Education
- High school graduate90.4%
- Bachelor's degree35.3%
- Graduate degree18.4%
Places covering 11742
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Holtsville99.6%
- Farmingville0.4%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Suffolk County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Population history for 11742
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 13,234 | |
| 2006 | 12,673 | |
| 2007 | 13,397 | |
| 2008 | 13,011 | |
| 2009 | 12,959 | |
| 2010 | 12,787 | |
| 2011 | 12,724 | 13,398 |
| 2012 | 12,979 | 13,340 |
| 2013 | 13,404 | 13,280 |
| 2014 | 13,229 | 12,780 |
| 2015 | 13,164 | 12,710 |
| 2016 | 13,132 | 12,570 |
| 2017 | 13,158 | 12,640 |
| 2018 | 12,566 | 12,440 |
| 2019 | 12,438 | 12,310 |
| 2020 | 11,968 | 12,470 |
| 2021 | 12,946 | 12,100 |
| 2022 | 13,448 | 12,180 |
| 2023 | 13,194 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 11742
12 nearest ZIP centroids (any distance)
- 11741Holbrook1.8 miPop 26,356 · Income $138,417
- 11738Farmingville1.9 miPop 20,246 · Income $139,008
- 11763Medford3.3 miPop 30,235 · Income $119,286
- 11779Ronkonkoma3.8 miPop 38,273 · Income $117,684
- 11784Selden4.0 miPop 25,986 · Income $105,268
- 11715Blue Point4.1 miPop 3,796 · Income $157,905
- 11772Patchogue4.4 miPop 45,006 · Income $105,246
- 11720Centereach4.6 miPop 28,669 · Income $128,015
- 11705Bayport4.7 miPop 8,256 · Income $161,214
- 11755Lake Grove5.1 miPop 11,953 · Income $120,306
- 11727Coram5.2 miPop 29,393 · Income $101,515
- 11716Bohemia5.4 miPop 9,750 · Income $120,344
ZIP centroids within 2 miles
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 11742 FAQ
- What city is ZIP code 11742 in?
- 11742 is in Holtsville, NY.
- What county is 11742 in?
- 11742 is in Suffolk County.
- What is the median household income in 11742?
- The median household income in 11742 is $126,563.
- Which ZIP codes are near 11742?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 11742.