PlainZIP

Sound Beach, NY · standard

ZIP Code 11789

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

7,895
1,792/sq mi
$131,528
Median income
$428,500
Median home value
46.3%
Bachelor's or higher

The verdict

Sound Beach pairs a top-decile household income with upper-quartile home values, in a low-density, homeowner-dominated area.

Top 7%
household income, US ZIPs
Top 18%
home value, US ZIPs
1,792
people per sq mi
86%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 11789 against every reporting US ZIP.

ZIP code 11789 is a mid-sized community (a standard USPS delivery area) in Sound Beach, Suffolk County, New York, home to 7,895 residents across 4.4 square miles, a density of 1,792 people per square mile, in the New York time zone.

ZIP 11789 skews affluent, with a median household income of $131,528 (42% above the New York average), while per-capita income is $52,906. Local economic indicators show a 3.2% poverty rate alongside 6.0% unemployment. Housing costs here run $428,500 for a typical home value (13% above the state average), with rent averaging $3,247 a month; 85.7% of homes are owner-occupied.

A solid share of residents have a four-year degree: 46.3% of adults hold a bachelor's degree or higher, the median age is 43.9, and the average commute is 32 minutes. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 11789, plus 6 more within Suffolk 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 11789

Top 5 sectors by establishment count in Sound Beach, NY

Which industries have the most business establishments in ZIP 11789.

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 11789, Sound Beach, 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

7,895

Population

4.4

Area (sq mi)

1,792

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 11789?

43.9

Median Age

50.6%

Male

49.4%

Female

8.1%

Foreign-Born

White 82.2%
African American 4.0%
Asian 0.8%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 10.5%
Hispanic or Latino 8.3%

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?

$131,528

Median Household Income

+42% vs state

$52,906

Per Capita Income

3.2%

Poverty Rate

6.0%

Unemployment Rate

32.2 min

Mean Commute Time

How ZIP 11789 ranks nationally

Sound Beach, NY household income vs. every US ZIP code

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

$131,528 Top 7% higher than 93% 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%). This entry sits in this band. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $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 72.2%
Bachelor's Degree or Higher 46.3%

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

What does housing look like?

3,056

Total Housing Units

2,907

Occupied Units

149

Vacant Units

2.51

Avg Household Size

Occupancy Type

Owner 85.7%
Renter 14.3%

$428,500

Median Home Value

+13% vs state

$3,247

Median Rent

1957

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

+19.3%

YoY Change (2024)

321

HPI Index (2000 = 100)

+221%

Total Change Since 2000

Home values in ZIP 11789 have increased 19.3% over the past year (2024). Since 2000, this ZIP has seen +221% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.3% 205
2021 +17.1% 241
2022 +9.4% 263
2023 +2.2% 269
2024 +19.3% 321

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 101 business establishments in ZIP 11789, employing approximately 213 people with a combined annual payroll of $8,156,000.

101

Businesses

213

Employees

$8.2M

Annual Payroll

9

Industry Sectors

Industry Establishments % of Total
Construction 21 20.8%
Professional, scientific, and technical services 17 16.8%
Other services (except public administration) 17 16.8%
Administrative and support and waste management and remediation services 15 14.8%
Retail trade 9 8.9%
Health care and social assistance 7 6.9%
Accommodation and food services 5 5.0%
Wholesale trade 3 3.0%
Real estate and rental and leasing 3 3.0%

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 11789 vs 11764 →

ZIP 11789 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 11789 ranks #0 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 11789 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 11789 ranks #5 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
11764 Miller Place, NY 13,200 1.5 mi
11778 Rocky Point, NY 12,709 2.4 mi
11766 Mount Sinai, NY 12,635 2.8 mi
11953 Middle Island, NY 13,553 5.1 mi
11777 Port Jefferson, NY 8,968 4.8 mi
11786 Shoreham, NY 6,344 4.6 mi
11727 Coram, NY 29,030 5.5 mi
11776 Port Jefferson Station, NY 24,235 4.9 mi
11961 Ridge, NY 12,834 5.8 mi
11763 Medford, NY 28,506 9.1 mi

More ZIP Codes in Suffolk County

11746 standard
Huntington Station, NY
Pop: 67,094
11706 standard
Bay Shore, NY
Pop: 62,543
11717 standard
Brentwood, NY
Pop: 60,745
11757 standard
Lindenhurst, NY
Pop: 45,700
11772 standard
Patchogue, NY
Pop: 44,837
11743 standard
Huntington, NY
Pop: 42,230

Related Areas

Suffolk County Sound Beach, NY New York

Frequently Asked Questions

What county is ZIP code 11789 in? ▼
ZIP code 11789 (Sound Beach) is located in Suffolk County, New York. Suffolk County contains multiple ZIP codes, see the full list at /counties/suffolk-ny.
What is the population of ZIP code 11789? ▼
ZIP code 11789 in Sound Beach, NY has a population of 7,895 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 11789? ▼
The median household income in ZIP 11789 is $131,528, which is 72% above the national average of $76,288.
What is the average home value in ZIP 11789? ▼
The median home value in ZIP 11789 is $428,500, which is 54% above the national average of $278,155.
What is the demographic makeup of ZIP 11789? ▼
The largest racial group in ZIP 11789 is White at 82.2%. Hispanic or Latino residents make up 8.3% of the population.
How many businesses are in ZIP code 11789? ▼
ZIP code 11789 has 101 business establishments employing approximately 213 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 11789? ▼
The top industries by establishment count in ZIP 11789 are: Construction (21), Professional, scientific, and technical services (17), Other services (except public administration) (17). There are 9 industry sectors represented in total.
How have home values changed in ZIP code 11789? ▼
According to the FHFA House Price Index, home values in ZIP 11789 increased by 19.3% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 221%. 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 11789? ▼
In ZIP code 11789, 72.2% of residents aged 25+ have a high school diploma or higher, and 46.3% 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 11789? ▼
The mean commute time for workers in ZIP code 11789 is 32.2 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 11789? ▼
In ZIP code 11789, approximately 85.7% of occupied housing units are owner-occupied and 14.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 11789? ▼
The poverty rate in ZIP code 11789 is 3.2% 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.