South Jamesport, NY · standard
ZIP Code 11970
Suffolk County, New York - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 522
- 359/sq mi
- $779,900
- Median home value
- 62.3%
- Bachelor's or higher
The verdict
South Jamesport pairs top-decile home values, in a low-density, homeowner-dominated area.
- Top 5%
- home value, US ZIPs
- 359
- people per sq mi
- 100%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 11970 against every reporting US ZIP.
ZIP code 11970 is a sparsely populated ZIP (a standard USPS delivery area) in South Jamesport, Suffolk County, New York, home to just 522 residents across 1.5 square miles, a density of 359 people per square mile, in the New York time zone.
Median household income is not on file for ZIP 11970, but per-capita income is $116,055. Local economic indicators show a 0.0% poverty rate alongside 0.0% unemployment. Housing costs here run $779,900 for a typical home value (106% above the state average), with rent averaging - a month; 100.0% of homes are owner-occupied.
This is a highly-educated ZIP: 62.3% of adults hold a bachelor's degree or higher, the median age is 76, and the average commute is -. To put 11970 in local context, 10 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Suffolk County, for a geography-aware comparison.
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 →
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 11970, South Jamesport, 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
522
Population
1.5
Area (sq mi)
359
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 11970?
76.0
Median Age
56.7%
Male
43.3%
Female
17.3%
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?
$116,055
Per Capita Income
0.0%
Poverty Rate
0.0%
Unemployment Rate
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?
304
Total Housing Units
199
Occupied Units
105
Vacant Units
2.09
Avg Household Size
Occupancy Type
$779,900
Median Home Value
+106% vs state
1967
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 10 business establishments in ZIP 11970, employing approximately 28 people with a combined annual payroll of $1,441,000.
10
Businesses
28
Employees
$1.4M
Annual Payroll
1
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Accommodation and food services | 3 | 30.0% |
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 11970 vs 11947 →
ZIP 11970 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 11901
Riverhead (11901)
27,172 residents
- 11946
Hampton Bays (11946)
14,068 residents
- 11952 4,637
Mattituck (11952)
4,637 residents
- 11942 4,603
East Quogue (11942)
4,603 residents
- 11935 3,304
Cutchogue (11935)
3,304 residents
- 11948 1,123
Laurel (11948)
1,123 residents
- 11959 939
Quogue (11959)
939 residents
- 11970 522
South Jamesport (11970)
522 residents
- 11947 416
Jamesport (11947)
416 residents
What this shows Among its immediate neighbors, ZIP 11970 ranks #8 by population - useful context the national average alone can't give.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 11947 | Jamesport, NY | 416 | 1.1 mi |
| 11931 | Aquebogue, NY | 151 | 1.9 mi |
| 11948 | Laurel, NY | 1,123 | 2.1 mi |
| 11901 | Riverhead, NY | 27,172 | 3.8 mi |
| 11952 | Mattituck, NY | 4,637 | 4.4 mi |
| 11942 | East Quogue, NY | 4,603 | 6.0 mi |
| 11946 | Hampton Bays, NY | 14,068 | 5.0 mi |
| 11959 | Quogue, NY | 939 | 8.2 mi |
| 11956 | New Suffolk, NY | 349 | 6.4 mi |
| 11935 | Cutchogue, NY | 3,304 | 7.1 mi |
More ZIP Codes in Suffolk County
Related Areas
Frequently Asked Questions
What county is ZIP code 11970 in? ▼
What is the population of ZIP code 11970? ▼
What is the average home value in ZIP 11970? ▼
What is the demographic makeup of ZIP 11970? ▼
How many businesses are in ZIP code 11970? ▼
What is the education level in ZIP code 11970? ▼
Read our methodology to see how this data is sourced, computed, and verified.