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 High-density area
- $131,528
- Median income Above-median income area
- $428,500
- Median home value Above-median home value
- 46.3%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 11789 (Sound Beach, NY) rose +19.3% from 2023 to 2024. The all-transactions index moved from 269.1 in 2023 to 321.1 in 2024 (2000 = 100).
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 average New York ZIP), while per-capita income is $52,906. The poverty rate is 3.2%, with unemployment at 6.0%; those measures add context to the income figure. Median home value is $428,500 (13% above the average New York ZIP) and median rent is $3,247; 85.7% of occupied 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. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Suffolk County, so 11789 can be compared with both its immediate and county-level context.
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.
- Construction
Construction
21 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
17 establishments
- Other services (except public administration)
Other services (except public administration)
17 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
15 establishments
- Retail trade
Retail trade
9 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, 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
Who lives in ZIP 11789?
43.9
Median Age
50.6%
Male
49.4%
Female
8.1%
Foreign-Born
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 ZIP avg
$52,906
Per Capita Income
3.2%
Poverty Rate
6.0%
Unemployment Rate
32.2 min
Mean Commute Time
How ZIP 11789 ranks among New York ZIPs
Sound Beach, NY household income vs. every New York ZIP code
Median household income among 1,626 reporting New York ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$131,528 Top 14% higher than 86% of 1,626 New York ZIPs
Each bar is a $20K-wide band; taller bars hold more New York 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
3,056housing units
3,056
Total Housing Units
2,907
Occupied Units
149
Vacant Units
2.51
Avg Household Size
Occupancy Type
$428,500
Median Home Value
+13% vs state ZIP avg
$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.
- 11727
Coram (11727)
29,030 residents
- 11763
Medford (11763)
28,506 residents
- 11776
Port Jefferson Station (11776)
24,235 residents
- 11953
Middle Island (11953)
13,553 residents
- 11764
Miller Place (11764)
13,200 residents
- 11961
Ridge (11961)
12,834 residents
- 11778
Rocky Point (11778)
12,709 residents
- 11766
Mount Sinai (11766)
12,635 residents
- 11777 8,968
Port Jefferson (11777)
8,968 residents
What this shows Among its immediate neighbors, ZIP 11789 ranks #0 by population - useful context the national average alone can't give.
ZIP 11789 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 11786
Shoreham (11786)
$163,466 median income
- 11766
Mount Sinai (11766)
$153,235 median income
- 11777
Port Jefferson (11777)
$150,505 median income
- 11764
Miller Place (11764)
$146,813 median income
- 11789
Sound Beach (11789)
$131,528 median income
- 11778
Rocky Point (11778)
$126,349 median income
- 11763
Medford (11763)
$120,783 median income
- 11776
Port Jefferson Station (11776)
$120,573 median income
- 11727
Coram (11727)
$103,287 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.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 11789, both outside NY so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (7,895 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Suffolk County
Related Areas
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.
Related
Take this with you
What to do with ZIP 11789's numbers, next.
- See how ZIP 11789 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Sound Beach, NY ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.