Residential delivery area · New York

ZIP Code 11779: Ronkonkoma, NY

ZIP code 11779 is in Ronkonkoma, New York, entirely in Suffolk County (Census 2020 ZIP-county file). About 38,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $112,180 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Ronkonkoma (63%), Lake Ronkonkoma (26%) and Centereach (5%), and 6% in smaller places.

  • ACS2020-24
  • Census2020
  • FHFA2025
  • ZBP2023
  • IRS2022
1national area: New York, Delaware and Pennsylvania
117sectional center: Mid-Island, NY (SCF 117)
79delivery area within it
Town
Ronkonkoma · its only residential ZIP
Census places
Ronkonkoma (63%) census-designated place; Lake Ronkonkoma (26%) census-designated place; Centereach (5%) census-designated place
Metro area
New York-Newark-Jersey City, NY-NJ
House districts
NY-2 (63%), NY-1 (37%) 119th Congress, by share of land
Time zone
Eastern
Land area
12.5 sq mi · 3,064 people per sq mi

Where is ZIP code 11779?

11779 centers on 40.813°, -73.114° and covers 12.5 square miles of land plus 0.3 of water. It borders 10 ZIP codes: 11741, 11716, 11767, 11749, 11755, 11742, 11720, 11738, 11722, 11788.

11716 · Bohemia11720 · Centereach11722 · Central Islip11738 · Farmingville11741 · Holbrook11742 · Holtsville11749 · Islandia11755 · Lake Grove11767 · Nesconset11788 · Hauppauge11779 · Ronkonkoma (this ZIP)117791178811716117201174111722117421173811755117671174911716 · Bohemia11720 · Centereach11722 · Central Islip11738 · Farmingville11741 · Holbrook11742 · Holtsville11749 · Islandia11755 · Lake Grove11767 · Nesconset11788 · Hauppauge11779 · Ronkonkoma (this ZIP)117791178811716117201174111722117421173811755117671174911716 · Bohemia11720 · Centereach11722 · Central Islip11738 · Farmingville11741 · Holbrook11742 · Holtsville11749 · Islandia11755 · Lake Grove11767 · Nesconset11788 · Hauppauge11779 · Ronkonkoma (this ZIP)1177911788117161172011741117221174211738117551176711749
Shaded by median household income, in national fifths (ACS 2020-2024); 11779 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 11779, open its center on OpenStreetMap.

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).

How does 11779 compare with the rest of Suffolk County?

Rank of 11779 among the residential ZIP codes of its town, county and state (1 = the most; income and home value among ZIP codes of 1,000+ people living in households)
Measure11779In Suffolk CountyIn NY
People (ACS 2020-2024)38,2068th of 108155th of 1,826
Median household income$112k66th of 81282nd of 1,081
Median home value$487k68th of 88361st of 1,172

Its median household income is higher than in 88% of U.S. residential ZIP codes, and it is denser than 89% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).

How many people live in 11779?

The 2020 Census counted 38,250 people in 11779; the ACS, which samples households over 2020-2024, estimates 38,206. Between the 2010 and 2020 censuses its population fell 0.4% (its boundary stayed at least 90% the same).

People, ACS 2020-2024
38,206
2020 Census count
38,250−0.4% since 2010 (38,421)
Households
13,215
Median age
39.7

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).

Who lives in 11779?

Of the 38,206 people the ACS estimates in 11779, 20.8% are under 18 and 16.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (64.9%), then Hispanic or Latino (20.7%).

  • Under 1820.8%
  • 18 to 6462.8%
  • 65 and older16.4%
Age of the people of 11779 (ACS 2020-2024, B01001)
  • White, not Hispanic64.9%
  • Hispanic or Latino20.7%
  • Asian, not Hispanic6.5%
  • Black, not Hispanic5.0%
  • Other or two or more2.9%
Race and Hispanic origin in 11779 (ACS 2020-2024, B03002); each person counted once

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.

What do households in 11779 earn?

Median household income is $112,180 (ACS 2020-2024), the 66th highest of the 81 ranked ZIP codes in Suffolk County. It is not measurably different from 2015-2019 ($120,797 in 2024 dollars): the change is within the surveys' margins of error.

Median household income
$112,180
Income per person
$46,113
Below the poverty line
5.1%
Unemployed (of the labor force)
7.0%
Adults 25+ with a bachelor's degree
30.6%
Adjusted gross income per tax return, 2022
$88,49620,380 returns; wages 74% of AGI (IRS)

Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).

What are homes worth in 11779?

FHFA's house price index for 11779, built from repeat sales and appraisals of the same homes, rose 102% from 2015 to 2025 and rose 58% from 2020 to 2025, and moved +8.2% in 2025.

Median home value (owners' estimate)
$487,300
Median gross rent
$2,227
Homes owned by their occupants
75.7%
Housing units
14,141
0 400 800 1200 1600 197519902000201020202025 0 400 800 1200 1600 197519902000201020202025 0 400 800 1200 1600 197519902000201020202025
Index = 100 in 1975, the first year FHFA reports for 11779; 2025: 1495.5. Annual, not seasonally adjusted; FHFA calls its ZIP-level indexes developmental.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.

What businesses are in 11779?

1,471 business establishments had a location in this ZIP code in 2023, 14 more than in 2018; the most are in construction (ZIP Code Business Patterns).

  • Construction276
  • Professional, scientific, and technical services164
  • Wholesale trade147
  • Other services (except public administration)139
  • Retail trade124
  • Health care and social assistance114

Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).

Which ZIP codes are next to 11779?

ZIP codes that share a boundary with 11779, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
11741Holbrook26,667$144k2.6 mi
11716Bohemia9,659$129k2.7 mi
11767Nesconset14,964$153k2.9 mi
11749Islandia3,600$116k3.0 mi
11755Lake Grove12,144$119k3.1 mi
11742Holtsville13,202$125k3.8 mi
11720Centereach29,292$135k4.3 mi
11738Farmingville18,877$140k4.4 mi
11722Central Islip39,033$114k4.8 mi
11788Hauppauge17,374$150k5.2 mi

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.