Three Mile Bay ZIP Codes — Jefferson County, NY

There is one unique ZIP code in Three Mile Bay, New York and it is 13693. Area code: 315.
1
ZIP codes
20.65
sq mi land
1.69
sq mi water
315
area code
Three Mile Bay, NY ZIP code map

About Three Mile Bay, NY

Three Mile Bay, NY, is a charming community located in Jefferson County. Nestled along the shores of the beautiful Lake Ontario, it offers picturesque views and a relaxed lifestyle. Known for its friendly atmosphere, Three Mile Bay is a perfect setting for scenic getaways and a welcoming place for families.

Location & geography

Three Mile Bay is situated in the northern part of New York State and is bordered by the expansive waters of Lake Ontario. It is in close proximity to several cities, including Watertown, which is about 24 miles to the southeast, Sackets Harbor around 15 miles to the west, and Alexandria Bay approximately 26 miles to the northeast. The terrain consists of 20.65 square miles of land and 1.69 square miles of water, featuring a blend of beautiful lakeside areas and open land.

Community & economy

The community of Three Mile Bay is characterized by its small-town charm and strong sense of togetherness among the residents. It primarily focuses on industries related to tourism, agriculture, and local businesses, which cater to both residents and visitors alike. Daily life here is peaceful, with a focus on outdoor activities, community events, and enjoying the natural beauty of the surrounding area.

Transportation

Three Mile Bay is accessible via State Route 3, which connects it to nearby communities and larger roadways in Jefferson County. The nearest major airport is the Watertown International Airport, located about 30 miles to the southeast. Public transportation options are limited, so personal vehicles are the primary mode of transit for most residents.

History

Three Mile Bay was established in the early 19th century, and its early economy was largely supported by local agriculture and fishing. The community's development was influenced by the nearby waterways and its strategic location, which fostered trade and transport. Notable events in its history reflect the growth of the region in relation to the broader industrial advancements taking place in New York State.

Did you know?

One surprising fact about Three Mile Bay is its unique location right on the shores of Lake Ontario, which provides ample opportunities for recreational activities such as fishing, boating, and hiking. Despite its small size, the community hosts various local festivals that celebrate its rich maritime heritage.

ZIP codes for Three Mile Bay, NY (1)
ZIP code City County Map
13693 Three Mile Bay Jefferson View map

Demographics & statistics

294
Population
63.5
Median age
$49,844
Median household income
$29,830
Per capita income
$192,700
Median home value
$0
Median monthly rent
97.1%
Home ownership
9.2%
Poverty rate
0.0%
Unemployment
1,002
Housing units
33.8%
Bachelor's or higher

Age distribution

Male Female
3
Under 5
3
5
15–19
5
21
25–34
22
9
35–44
9
11
45–54
11
14
55–59
14
20
60–64
21
45
65–74
48
16
75–84
17
← Male
Female →

Age summary

GroupCount%
Under 18165.4%
18 and over27894.6%
65 and over12642.9%
Median age63.5 years

Race & ethnicity

White 98%
Asian 2%
GroupCount%
White28898%
Asian62%

Household income

Under $10k 2.9%
$10k–$15k 3.6%
$25k–$35k 16.5%
$35k–$50k 27.3%
$50k–$75k 18.7%
$75k–$100k 7.9%
$100k–$150k 23.0%
Range% of households
Under $10k2.9%
$10k–$15k3.6%
$25k–$35k16.5%
$35k–$50k27.3%
$50k–$75k18.7%
$75k–$100k7.9%
$100k–$150k23.0%
Median income$49,844

Housing

Home values

Under $50k 4.4%
$50k–$100k 20.7%
$100k–$150k 15.6%
$150k–$200k 11.9%
$200k–$300k 20.7%
$300k–$500k 26.7%

Housing overview

MetricValue
Median home value$192,700
Median rent / month$0
Owner occupied97.1%
Renter occupied2.9%
Vacant86.2%
Single-family detached79.1%
Large apartment buildings0.0%
Mobile homes20.9%
Median rooms4.7
Avg household size (owned)2.12

Year built

Era%
2020 or later0.0%
2010–201912.6%
2000–200910.7%
1990–199918.2%
1980–19898.9%
1970–19796.0%
1960–19699.3%
1950–19597.4%
1940–194911.3%
1939 or earlier15.5%

Bedrooms

Size% of units
No bedroom (studio)1.6%
1 bedroom7.1%
2 bedrooms39.9%
3 bedrooms40.2%
4 bedrooms10.2%
5+ bedrooms1.1%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle47.5%
2 vehicles36.0%
3 or more16.5%

Heating fuel

Fuel type%
Propane / LP gas71.9%
Fuel oil9.4%
Wood2.9%

Households & families

Household typeCount%
Married-couple family5338.1%
Cohabiting couple3625.9%
Male householder, no spouse2215.8%
Female householder, no spouse2820.1%
Households with children under 181712.2%
Households with seniors (65+)8057.6%
Average household size2.12

Marital status

StatusMaleFemale
Never married32.4%17.1%
Married44.1%43.4%
Separated0.0%0.0%
Widowed0.0%11.2%
Divorced23.5%28.3%

Education

Less than 9th grade 0.0%
Some HS, no diploma 0.0%
HS graduate 31.3%
Some college, no degree 26.3%
Associate's degree 8.6%
Bachelor's degree 28.4%
Graduate / professional 5.4%
Metric%
HS diploma or higher100.0%
Bachelor's or higher33.8%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool69.0%
Kindergarten00.0%
Elementary school00.0%
High school1014.9%
College / grad school5176.1%

Employment

Industry of employment

Education & healthcare 25.4%
Finance & real estate 19.0%
Retail trade 15.9%
Other services 12.7%
Construction 7.9%
Manufacturing 6.3%
Transportation & utilities 6.3%
Professional & management 6.3%

Occupation

Category%
Management, business & arts49.2%
Service14.3%
Sales & office15.9%
Natural resources & construction14.3%
Production & transportation6.3%

Employment type

Type%
Private sector79.4%
Government14.3%
Self-employed6.3%
Unpaid family workers0.0%

Commute

Method%
Drive alone79.7%
Carpool5.8%
Public transit0.0%
Walk0.0%
Other means0.0%
Avg commute (minutes)66.5

Poverty

All people 9.2%
Under 18 years 0.0%
18 and over 9.7%
Married-couple families 0.0%
Female-led households 0.0%

Income support

Source% of households
Social Security67.6%
Retirement income51.8%
Supplemental Security3.6%
Cash public assistance0.0%
Food stamps / SNAP3.6%

Health indicators

Condition%
High blood pressure37.1%
High cholesterol36.6%
Heart disease7.4%
Stroke3.3%
Asthma9.6%
Arthritis28.5%
Kidney disease3.2%
Pulmonary disease7.6%
Cancer8.2%
Behavior / access%
Binge drinking16.6%
No physical activity23.7%
Less than 7 hrs sleep31.1%
Fair or poor health11.8%
Poor mental health12.9%
Poor physical health9.9%
No health insurance8.9%
Visited doctor (checkup)81.5%
Visited dentist67.2%
Cholesterol screening92.3%
Teeth loss13.3%

Veterans & disability

VeteransCount%
Civilian veterans165.9%
Disability%
Any disability24.0%
Under 180.0%
18–64 years3.4%
65 and over50.8%

Health insurance coverage

Type%
Private insurance61.5%
Public insurance55.6%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only28898.0%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)28496.6%
Born in same state28496.6%
Born in different state15452.4%
Foreign born00.0%
Naturalized citizen103.4%
Not a US citizen10100.0%

Ancestry

AncestryCount%
French12442.2%
Italian5819.7%
English206.8%
AncestryCount%
Arab186.1%
German41.4%

Technology access

Metric% of households
Computer access47.3%
Internet access97.1%

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

Frequently asked questions
What ZIP codes does Three Mile Bay, NY have?
Three Mile Bay, NY has one ZIP code: 13693. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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