11705 ZIP Code — Bayport, NY

Suffolk County, New York

ZIP code 11705 is located in Bayport, New York, within Suffolk County. It covers approximately 3.39 square miles and serves a population of 8,409 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 631.

About ZIP code 11705

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $591,600. Owner-occupancy is high at 84%, well above the national average.

The gap between median ($139,769) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 32 minutes is near the national average.

Educational attainment is high — 56% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 11705 reflects a community defined by a highly educated population and high homeownership.

8,409

population

3.39

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

11705 ZIP code map

Cities in ZIP code 11705

Below are the cities the US Postal Service accepts for ZIP code 11705. Using any city not on this list may result in mail delivery delays.

City	Status
Bayport	Acceptable
Bayport	Preferred

Nearby ZIP codes

11715 Blue Point (1.2 mi) 11782 Sayville (2.6 mi) 11796 West Sayville (2.7 mi) 00544 Holtsville (2.9 mi) 11741 Holbrook (3.5 mi) 11769 Oakdale (3.9 mi) 11716 Bohemia (3.9 mi) 11742 Holtsville (4.3 mi) 00501 Holtsville (4.8 mi) 11779 Ronkonkoma (5.7 mi) 11738 Farmingville (6.1 mi) 11713 Bellport (6.2 mi)

Demographics updated 06/2026

Population
Total population	8,409
Population density	2,481 / sq mi
State FIPS	36
County FIPS	103

Geography
Land area	3.39 sq mi
Water area	0.07 sq mi
Latitude	40.7490
Longitude	-73.0554
Timezone	Eastern (ET)
Area code	631

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	16.4%	22.6%	37.0%
$50k – $100k	26.1%	24.7%	27.0%
$100k – $200k	37.1%	34.6%	24.4%
Over $200k	20.3%	18.0%	11.5%

Demographics & statistics

8,409

Population

2,481

People per sq mi

41.5

Median age

$139,769

Median household income

$63,311

Per capita income

$591,600

Median home value

$2,208

Median monthly rent

84.2%

Home ownership

5.0%

Poverty rate

2.0%

Unemployment

2,636

Housing units

55.6%

Bachelor's or higher

Age distribution

Male Female

197

Under 5

205

198

5–9

206

248

10–14

258

241

15–19

251

320

20–24

334

412

25–34

430

583

35–44

609

639

45–54

667

366

55–59

382

272

60–64

283

359

65–74

374

217

75–84

226

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,633	19.4%
18 and over	6,776	80.6%
65 and over	1,308	15.6%
Median age	41.5 years

Race & ethnicity

White 83.3%

Hispanic or Latino 6.3%

Two or more races 4.7%

Other race 2.2%

Black or African American 1.9%

Asian 1.5%

American Indian / Alaska Native 0.1%

Group	Count	%
White	7,477	83.3%
Hispanic or Latino	565	6.3%
Two or more races	426	4.7%
Other race	199	2.2%
Black or African American	167	1.9%
Asian	132	1.5%
American Indian / Alaska Native	8	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	16.4%	22.6%	37.0%
$50k – $100k	26.1%	24.7%	27.0%
$100k – $200k	37.1%	34.6%	24.4%
Over $200k	20.3%	18.0%	11.5%

Under $10k 3.4%

$10k–$15k 3.3%

$15k–$25k 3.3%

$25k–$35k 1.9%

$35k–$50k 4.4%

$50k–$75k 5.1%

$75k–$100k 10.0%

$100k–$150k 20.5%

$150k–$200k 17.6%

$200k+ 30.5%

Range	% of households
Under $10k	3.4%
$10k–$15k	3.3%
$15k–$25k	3.3%
$25k–$35k	1.9%
$35k–$50k	4.4%
$50k–$75k	5.1%
$75k–$100k	10.0%
$100k–$150k	20.5%
$150k–$200k	17.6%
$200k+	30.5%
Median income	$139,769

Housing

Home values

Under $50k 0.5%

$200k–$300k 1.6%

$300k–$500k 31.5%

$500k–$1M 53.9%

$1M+ 12.5%

Housing overview

Metric	Value
Median home value	$591,600
Median rent / month	$2,208
Owner occupied	84.2%
Renter occupied	15.8%
Vacant	2.6%
Single-family detached	80.0%
Large apartment buildings	4.4%
Mobile homes	0.0%
Median rooms	7.0
Avg household size (owned)	2.89

Year built

Era	%
2020 or later	1.8%
2010–2019	4.7%
2000–2009	5.2%
1990–1999	5.9%
1980–1989	5.5%
1970–1979	18.0%
1960–1969	20.4%
1950–1959	22.0%
1940–1949	5.1%
1939 or earlier	11.3%

Bedrooms

Size	% of units
No bedroom (studio)	1.2%
1 bedroom	8.5%
2 bedrooms	12.6%
3 bedrooms	38.8%
4 bedrooms	32.9%
5+ bedrooms	5.9%

Vehicles per household

Vehicles	% of households
No vehicle	5.4%
1 vehicle	21.5%
2 vehicles	42.2%
3 or more	30.9%

Heating fuel

Fuel type	%
Utility gas	48.0%
Electricity	3.2%
Propane / LP gas	1.3%
Fuel oil	44.9%

Households & families

Household type	Count	%
Married-couple family	1,857	61.2%
Cohabiting couple	135	4.4%
Male householder, no spouse	420	13.8%
Female householder, no spouse	622	20.5%
Households with children under 18	997	32.9%
Households with seniors (65+)	907	29.9%
Average household size	2.76

Marital status

Status	Male	Female
Never married	29.3%	26.5%
Married	57.8%	57.1%
Separated	2.6%	1.6%
Widowed	2.0%	6.8%
Divorced	8.4%	8.0%

Education

Less than 9th grade 0.6%

Some HS, no diploma 1.8%

HS graduate 17.1%

Some college, no degree 16.2%

Associate's degree 8.7%

Bachelor's degree 28.9%

Graduate / professional 26.8%

Metric	%
HS diploma or higher	97.7%
Bachelor's or higher	55.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	141	6.7%
Kindergarten	38	1.8%
Elementary school	827	39.2%
High school	457	21.6%
College / grad school	648	30.7%

Employment

Industry of employment

Education & healthcare 36.1%

Professional & management 14.1%

Wholesale trade 6.7%

Retail trade 6.7%

Manufacturing 6.6%

Arts, food & hospitality 5.9%

Finance & real estate 5.8%

Other services 4.6%

Public administration 4.3%

Transportation & utilities 3.2%

Construction 2.9%

Information 2.7%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	54.0%
Service	16.8%
Sales & office	17.8%
Natural resources & construction	4.7%
Production & transportation	6.8%

Employment type

Type	%
Private sector	69.7%
Government	27.2%
Self-employed	3.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	77.5%
Carpool	4.1%
Public transit	3.5%
Walk	1.9%
Work from home	11.2%
Other means	1.9%
Avg commute (minutes)	31.8

Poverty

All people 5.0%

Under 18 years 0.9%

18 and over 5.9%

Married-couple families 6.2%

Female-led households 8.0%

Income support

Source	% of households
Social Security	27.0%
Retirement income	26.7%
Supplemental Security	2.9%
Cash public assistance	2.9%
Food stamps / SNAP	5.2%

Health indicators

Condition	%
Obesity	26.0%
High blood pressure	26.3%
High cholesterol	30.1%
Diabetes	7.0%
Heart disease	4.7%
Stroke	2.1%
Asthma	9.3%
Arthritis	18.8%
Kidney disease	2.3%
Pulmonary disease	4.7%
Cancer	6.6%

Behavior / access	%
Smoking	12.6%
Binge drinking	19.2%
No physical activity	18.0%
Less than 7 hrs sleep	32.7%
Depression	17.2%
Fair or poor health	8.5%
Poor mental health	12.7%
Poor physical health	7.5%
No health insurance	7.8%
Visited doctor (checkup)	78.3%
Visited dentist	74.0%
Cholesterol screening	93.2%
Teeth loss	7.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	355	5.3%

Disability	%
Any disability	9.1%
Under 18	5.0%
18–64 years	6.7%
65 and over	24.0%

Health insurance coverage

Type	%
Private insurance	88.1%
Public insurance	25.1%
No insurance	1.4%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	8,007	95.2%
Spanish	120	1.5%
Other Indo-European	28	0.3%
Asian & Pacific Islander	67	0.8%
Other languages	25	0.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	7,957	94.6%
Born in same state	7,890	93.8%
Born in different state	7,349	87.4%
Foreign born	67	0.8%
Naturalized citizen	452	5.4%
Not a US citizen	351	77.7%

Ancestry

Ancestry	Count	%
Italian	2,125	25.3%
French	709	8.4%
Arab	542	6.4%
English	136	1.6%

Ancestry	Count	%
Polish	112	1.3%
Norwegian	44	0.5%
German	21	0.2%
Irish	20	0.2%

Technology access

Metric	% of households
Computer access	36.1%
Internet access	91.2%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 11705

What city is ZIP code 11705 in?

ZIP code 11705 is primarily assigned to Bayport, New York.

What county is ZIP code 11705 in?

ZIP code 11705 falls within Suffolk County, New York.

How educated is the population of ZIP code 11705?

56% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 11705 mostly owner-occupied?

84% of occupied units in ZIP code 11705 are owner-occupied, well above the national average.

What is the median household income in ZIP code 11705?

The median household income in ZIP code 11705 is $139,769, above the national median of ~$75,000.

What is the typical home value in ZIP code 11705?

The median home value in ZIP code 11705 is $591,600.

What timezone is ZIP code 11705 in?

ZIP code 11705 observes the EST timezone.