ZIP Code 11791 - Syosset New York

11791 Overview

ZIP Code 11791 is located in Syosset New York. Portions of 11791 are also in Laurel Hollow and Muttontown and Oyster Bay Cove and Hicksville and Oyster Bay (town). 11791 is entirely within Nassau County. Regionally, 11791 is located in Metro New York City.

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ZIP Code 11791 Quick Stats

ZIP Code NameSyosset
Primary CountyNassau County
ZIP Code TypeStandard
Population (2022)25,631
Area Code(s)363 / 516
Current Time
EST

ZIP Code 11791 Map

11791 Demographics

11791 can be classified socioeconomically as Upper Middle Class class compared to other ZIP Codes in New York based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 11791 is White. The majority race/ethnicity attending public schools in 11791 is White. The current unemployment level in 11791 is 4.9%.

Population25,631
Population Growth Rate0.04%
Population Density2,207 People per Square Mile
Total Households8,044
Percentage High Income Households30.1%
Median Household Income (2021)$171,719
Average Adjusted Gross Income (2021)$744,830
Current Unemployment Rate (October 2024)4.9%
Majority Race/EthnictyWhite - 63.29%
Public School Majority Race/EthnictyWhite - 47.47%

11791 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White16,52863.29%
Black3071.18%
Hispanic1,2794.9%
Asian7,95030.44%
Native American510.2%
Hawaiian/Pac. Islander00%

11791 Public School Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White3,09948.49%
Black2864.48%
Hispanic4667.29%
Asian2,51539.35%
Native American140.22%
Hawaiian/Pac. Islander110.17%

11791 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College5333.34%
Bachelor Degree5,35533.52%
High School Diploma2,24714.06%
No High School Diploma1500.94%
GED or Alternate1921.2%
1 or More Years of College1,3878.68%
Associates Degree1,0676.68%
Masters Degree3,37321.11%
Professional Degree1,3488.44%
Doctorate Degree3252.03%

11791 Geography

Coordinates40.82692337,-73.50234222
Adjacent ZIP Codes
Cities/Towns in 11791
RegionMetro New York City
Metropolitan/Micropolitan Stat AreaNew York-Newark-Jersey City, NY-NJ-PA
Time ZoneEastern Standard Time
IANA TimezoneAmerica/New_York
Area12 Square Miles

11791 Weather and Climate Data

Plant Hardiness ZoneZone 7a: 0F to 5F
Average First Frost DateNovember 1 - 10
Average Last Frost DateApril 11 - 20
Koppen-Geiger Climate ZoneDfa - Humid Continental Hot Summers
Ecoregion59g - Long Island Sound Coastal Lowland

11791 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)24253240505965645746382944
Avg Max Temp (°F)38404959707984827464534261
Avg Precip (In.)4.013.074.314.244.243.783.933.974.023.684.033.8347.1

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