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ZIP Code 11791
Muttontown, NY, Nassau County
Population
25,520
Land area
12.5sq mi
People per sq mi
2,039
City
Muttontown
ZIP 11791 and nearby ZIP codes
ZIP 11791 at a glance
- ZIP 11791 (Muttontown) is about 4.8 times as dense as New York as a whole.
- Households here earn a median of $202,962 a year, about 2.4 times the New York figure of $85,974.
- A typical owner-occupied home is valued at $937,700 (about 2.2 times the New York figure) and median rent is $3,019 a month.
Local data for ZIP 11791
Counts from official public data
Housing and community stats
ZIP 11791, American Community Survey 2020-2024
Median household income
$202,962
Poverty rate
4.1%
Median home value
$937,700
Prices +2.6% in a year
Median rent
$3,019/mo
Homeownership
93.5%
Bachelor's or higher
70.4%
Median age
43.2
Average commute
39.8 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
1,283
ZIP Business Patterns 2023
Employees
16,204
$1.2B annual payroll
PPP loans
$162M
1,662 loans
Campaign donations
$579K
44% D, 21% R, 2026 cycle
Environment and hazard risk
ZIP 11791, 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
83° / 25°F
48.5 inches of rain a year
Health statistics
Share of adults in ZIP 11791, CDC PLACES estimates
Obesity
23.1%
U.S. 33.3% -10.2 pts
Diabetes
9.1%
U.S. 12.1% -3.0 pts
Smoking
6.5%
U.S. 12.8% -6.3 pts
Uninsured (18-64)
3.3%
U.S. 11.1% -7.8 pts
Frequently asked questions
- What city is ZIP code 11791?
- ZIP code 11791 is in Muttontown, NY (Nassau County).
- What county is ZIP code 11791 in?
- ZIP code 11791 is mostly in Nassau County, New York.
- How many people live in ZIP code 11791?
- About 25,520 people live in the 11791 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.