PlainZIP

Sea Cliff, NY · standard

ZIP Code 11579

Nassau County, New York - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

5,055
1,739/sq mi
$193,590
Median income
$986,900
Median home value
61.3%
Bachelor's or higher

The verdict

Sea Cliff pairs a top-decile household income with top-decile home values, in a low-density, homeowner-dominated area.

Top 1%
household income, US ZIPs
Top 3%
home value, US ZIPs
1,739
people per sq mi
77%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 11579 against every reporting US ZIP.

ZIP code 11579 is a mid-sized community (a standard USPS delivery area) in Sea Cliff, Nassau County, New York, home to 5,055 residents across 2.9 square miles, a density of 1,739 people per square mile, in the New York time zone.

ZIP 11579 skews affluent, with a median household income of $193,590 (109% above the New York average), while per-capita income is $98,061. 0.9% of residents live below the poverty line, and the unemployment rate reads 13.5%. Housing costs here run $986,900 for a typical home value (161% above the state average), with rent averaging $2,315 a month; 77.3% of homes are owner-occupied.

This is a highly-educated ZIP: 61.3% of adults hold a bachelor's degree or higher, the median age is 40.5, and the average commute is 36 minutes. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 11579, plus 6 more within Nassau County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 11579

Top 5 sectors by establishment count in Sea Cliff, NY

Which industries have the most business establishments in ZIP 11579.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 11579, Sea Cliff, NY · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

5,055

Population

2.9

Area (sq mi)

1,739

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 11579?

40.5

Median Age

44.4%

Male

55.6%

Female

9.8%

Foreign-Born

White 85.2%
African American 1.1%
Asian 0.6%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 10.7%
Hispanic or Latino 11.1%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$193,590

Median Household Income

+109% vs state

$98,061

Per Capita Income

0.9%

Poverty Rate

13.5%

Unemployment Rate

36.2 min

Mean Commute Time

How ZIP 11579 ranks nationally

Sea Cliff, NY household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$193,590 Top 1% higher than 99% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Below this entry. $140,000–$160,000: 686 US ZIPs (2%). Below this entry. $160,000–$180,000: 364 US ZIPs (1%). Below this entry. $180,000–$200,000: 186 US ZIPs (1%). This entry sits in this band. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 80.1%
Bachelor's Degree or Higher 61.3%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

1,963

Total Housing Units

1,769

Occupied Units

194

Vacant Units

2.81

Avg Household Size

Occupancy Type

Owner 77.3%
Renter 22.7%

$986,900

Median Home Value

+161% vs state

$2,315

Median Rent

1938

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+11.4%

YoY Change (2024)

258

HPI Index (2000 = 100)

+158%

Total Change Since 2000

Home values in ZIP 11579 have increased 11.4% over the past year (2024). Since 2000, this ZIP has seen +158% cumulative appreciation.

Year Annual Change HPI Index
2020 +2.7% 200
2021 +5.0% 210
2022 +8.0% 227
2023 +1.8% 231
2024 +11.4% 258

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 185 business establishments in ZIP 11579, employing approximately 891 people with a combined annual payroll of $48,215,000.

185

Businesses

891

Employees

$48.2M

Annual Payroll

14

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 38 20.5%
Construction 26 14.1%
Other services (except public administration) 25 13.5%
Accommodation and food services 21 11.3%
Retail trade 13 7.0%
Real estate and rental and leasing 11 6.0%
Health care and social assistance 8 4.3%
Wholesale trade 7 3.8%
Finance and insurance 7 3.8%
Administrative and support and waste management and remediation services 6 3.2%
Transportation and warehousing 5 2.7%
Arts, entertainment, and recreation 5 2.7%
Information 4 2.2%
Educational services 4 2.2%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 11579 vs 11547 →

ZIP 11579 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 11579 ranks #9 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 11579 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 11579 ranks #2 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
11547 Glenwood Landing, NY 793 0.9 mi
11542 Glen Cove, NY 27,633 2.0 mi
11576 Roslyn, NY 12,366 3.2 mi
11050 Port Washington, NY 30,171 2.5 mi
11577 Roslyn Heights, NY 12,337 4.2 mi
11548 Greenvale, NY 2,780 2.8 mi
11545 Glen Head, NY 12,065 3.1 mi
11507 Albertson, NY 7,406 5.1 mi
11596 Williston Park, NY 10,480 5.8 mi
11560 Locust Valley, NY 6,464 3.8 mi

More ZIP Codes in Nassau County

11550 standard
Hempstead, NY
Pop: 56,435
11758 standard
Massapequa, NY
Pop: 53,804
11590 standard
Westbury, NY
Pop: 45,768
11520 standard
Freeport, NY
Pop: 43,341
11756 standard
Levittown, NY
Pop: 42,791
11003 standard
Elmont, NY
Pop: 41,356

Related Areas

Nassau County Sea Cliff, NY New York

Frequently Asked Questions

What county is ZIP code 11579 in? ▼
ZIP code 11579 (Sea Cliff) is located in Nassau County, New York. Nassau County contains multiple ZIP codes, see the full list at /counties/nassau-ny.
What is the population of ZIP code 11579? ▼
ZIP code 11579 in Sea Cliff, NY has a population of 5,055 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 11579? ▼
The median household income in ZIP 11579 is $193,590, which is 154% above the national average of $76,288.
What is the average home value in ZIP 11579? ▼
The median home value in ZIP 11579 is $986,900, which is 255% above the national average of $278,155.
What is the demographic makeup of ZIP 11579? ▼
The largest racial group in ZIP 11579 is White at 85.2%. Hispanic or Latino residents make up 11.1% of the population.
How many businesses are in ZIP code 11579? ▼
ZIP code 11579 has 185 business establishments employing approximately 891 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 11579? ▼
The top industries by establishment count in ZIP 11579 are: Professional, scientific, and technical services (38), Construction (26), Other services (except public administration) (25). There are 14 industry sectors represented in total.
How have home values changed in ZIP code 11579? ▼
According to the FHFA House Price Index, home values in ZIP 11579 increased by 11.4% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 158%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 11579? ▼
In ZIP code 11579, 80.1% of residents aged 25+ have a high school diploma or higher, and 61.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 11579? ▼
The mean commute time for workers in ZIP code 11579 is 36.2 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 11579? ▼
In ZIP code 11579, approximately 77.3% of occupied housing units are owner-occupied and 22.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 11579? ▼
The poverty rate in ZIP code 11579 is 0.9% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.