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ZIP Code 11783
Seaford, NY, Nassau County
Population
21,127
Land area
3.5sq mi
People per sq mi
5,965
City
Seaford
ZIP 11783 and nearby ZIP codes
ZIP 11783 at a glance
- ZIP 11783 (Seaford) is about 14 times as dense as New York as a whole.
- The median household income is $176,993, about 2.1 times the New York median of $85,974.
- A typical owner-occupied home is valued at $654,300 (54% above New York) and median rent is $2,612 a month.
Local data for ZIP 11783
Counts from official public data
Housing and community stats
ZIP 11783, American Community Survey 2020-2024
Median household income
$176,993
Poverty rate
2.8%
Median home value
$654,300
Prices +8.1% in a year
Median rent
$2,612/mo
Homeownership
93.6%
Bachelor's or higher
47.6%
Median age
41.3
Average commute
38.0 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
494
ZIP Business Patterns 2023
Employees
4,340
$223M annual payroll
PPP loans
$44.4M
600 loans
Campaign donations
$63.7K
22% D, 26% R, 2026 cycle
Environment and hazard risk
ZIP 11783, from FEMA, NOAA and EPA
Natural hazard risk
Relatively High
Top: winter weather
Storm events since 1996
800
Countywide, mostly thunderstorm wind
Flood insurance policies
35,824
9.7% of homes, county
July high / Jan low
85° / 28°F
42.8 inches of rain a year
Health statistics
Share of adults in ZIP 11783, CDC PLACES estimates
Obesity
28.0%
U.S. 33.3% -5.3 pts
Diabetes
8.5%
U.S. 12.1% -3.6 pts
Smoking
8.8%
U.S. 12.8% -4.0 pts
Uninsured (18-64)
4.4%
U.S. 11.1% -6.7 pts
Frequently asked questions
- What city is ZIP code 11783?
- ZIP code 11783 is in Seaford, NY (Nassau County).
- What county is ZIP code 11783 in?
- ZIP code 11783 is mostly in Nassau County, New York.
- How many people live in ZIP code 11783?
- About 21,127 people live in the 11783 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.