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ZIP CODE TABULATION AREA

11731

New York · 29,999 residents · 8.32 sq mi
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ZIP 11731 is home to 29,999 people in Suffolk County. Owners hold 90% of the housing stock. The median household earns $161,132, about 96% above the national median. At a median age of 46.2, this is an older place than the country as a whole. 53% of adults hold a bachelor's degree, against 36% nationally. Median home value sits at $646,600. Among the 97 ZIP codes in Suffolk County, 11731 ranks 20th by median household income.

$161,132
US average: $82,259
$67,081
US average: $44,673
$646,600
US average: $376,019
53.2%
US average: 35.6%
Land area
8.32 sq mi
Age, sex & households
Under 18
19.8%
Age 65+
18.4%
49.1%
50.9%
2.75 people
Race & ethnicity · 2024
2024
White, non-Hispanic80.1%(24,028)
Black2.2%(672)
Hispanic / Latino9.1%(2,727)
Asian4%(1,210)
Other4.5%(1,362)
43
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
4.0
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Suffolk County
Income rank vs other ZIPs
LOWEST20TH OF 97HIGHEST
Adjacent ZIPs
06390$98,125
11701$117,033
11702$137,652
11703$137,158
Frequently asked

How many people live in ZIP code 11731?

ZIP code 11731 has about 29,999 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 11731?

The typical household in ZIP code 11731 earns about $161,132 a year. Half of households make more than that, and half make less.

Is ZIP code 11731 expensive?

In ZIP code 11731, the median home is worth about $646,600, and the typical rent is about $2,412 a month.

How educated are people in ZIP code 11731?

About 53.2% of adults age 25 and over in ZIP code 11731 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 11731?

About 6.0% of people in ZIP code 11731 live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024