Islesboro ZIP Codes — Waldo County, ME

There is one unique ZIP code in Islesboro, Maine and it is 04848. Area code: 207.
1
ZIP codes
14.31
sq mi land
54.57
sq mi water
207
area code
Islesboro, ME ZIP code map

About Islesboro, ME

Islesboro is a picturesque island town located in Waldo County, Maine. Known for its stunning natural beauty and tranquil atmosphere, it serves as a popular retreat for those seeking serenity away from the hustle and bustle of city life. The town is accessible only by boat or ferry, enhancing its charm and exclusivity.

Location & geography

Islesboro is situated approximately 14 miles off the mainland, making it a unique island destination in Maine. The town is surrounded by an expansive water area of 54.57 square miles, while its land area measures 14.31 square miles, featuring a mix of rocky coastline and lush forests. Neighboring cities include Belfast, located about 15 miles to the west, Camden approximately 18 miles to the northwest, Lincolnville which is 19 miles away, and Rockland approximately 22 miles to the south.

Community & economy

The character of Islesboro is that of a quaint, close-knit community with a strong emphasis on preserving its natural environment and local heritage. The economy is primarily driven by tourism, with many visitors drawn to its stunning shores, recreational opportunities, and local art scene. Daily life on the island often revolves around outdoor activities such as boating, hiking, and enjoying the rich marine environment.

Transportation

Access to Islesboro is primarily through ferry services that connect the island to the mainland, with no major highways directly on the island itself. The nearest named airports include Knox County Regional Airport in Owls Head, approximately 21 miles away, and Belfast Municipal Airport, located about 15 miles from the island.

History

Islesboro was first settled in the late 18th century, becoming officially incorporated in 1870. The island’s economy historically relied on shipbuilding and fishing, which played crucial roles in its development. Over the years, Islesboro has become known for its summer communities and vacation homes, attracting affluent visitors and preserving its rich history.

Did you know?

A surprising fact about Islesboro is that it has only one ZIP code, which is 04848, making it unique in its simplicity. Additionally, its vast water area of 54.57 square miles means that the majority of its territory is actually covered by water, providing ample opportunities for marine activities.

ZIP codes for Islesboro, ME (1)
ZIP code City County Map
04848 Islesboro Waldo View map

Demographics & statistics

617
Population
62.6
Median age
$73,611
Median household income
$55,848
Per capita income
$274,500
Median home value
$0
Median monthly rent
92.7%
Home ownership
14.9%
Poverty rate
16.4%
Unemployment
738
Housing units
44.8%
Bachelor's or higher

Age distribution

Male Female
10
5–9
10
28
10–14
28
13
15–19
13
3
20–24
3
26
25–34
26
19
35–44
20
31
45–54
31
17
55–59
17
20
60–64
21
104
65–74
106
25
75–84
25
10
85+
11
← Male
Female →

Age summary

GroupCount%
Under 188613.9%
18 and over53186.1%
65 and over28145.5%
Median age62.6 years

Race & ethnicity

White 97.1%
Two or more races 2.1%
Hispanic or Latino 0.6%
Black or African American 0.2%
GroupCount%
White60397.1%
Two or more races132.1%
Hispanic or Latino40.6%
Black or African American10.2%

Household income

Under $10k 0.9%
$10k–$15k 22.1%
$15k–$25k 2.0%
$25k–$35k 2.3%
$35k–$50k 6.4%
$50k–$75k 19.2%
$75k–$100k 16.3%
$100k–$150k 15.4%
$150k–$200k 6.4%
$200k+ 9.0%
Range% of households
Under $10k0.9%
$10k–$15k22.1%
$15k–$25k2.0%
$25k–$35k2.3%
$35k–$50k6.4%
$50k–$75k19.2%
$75k–$100k16.3%
$100k–$150k15.4%
$150k–$200k6.4%
$200k+9.0%
Median income$73,611

Housing

Home values

Under $50k 0.6%
$50k–$100k 4.1%
$100k–$150k 4.1%
$150k–$200k 0.9%
$200k–$300k 48.9%
$300k–$500k 10.0%
$500k–$1M 18.5%
$1M+ 12.9%

Housing overview

MetricValue
Median home value$274,500
Median rent / month$0
Owner occupied92.7%
Renter occupied7.3%
Vacant54.9%
Single-family detached97.0%
Large apartment buildings0.0%
Mobile homes2.4%
Median rooms6.2
Avg household size (owned)1.81

Year built

Era%
2020 or later0.0%
2010–20199.8%
2000–200912.2%
1990–199910.6%
1980–198912.5%
1970–19798.3%
1960–19692.1%
1950–19593.8%
1940–19491.6%
1939 or earlier39.2%

Bedrooms

Size% of units
No bedroom (studio)1.0%
1 bedroom5.6%
2 bedrooms29.0%
3 bedrooms30.4%
4 bedrooms24.0%
5+ bedrooms10.0%

Vehicles per household

Vehicles% of households
No vehicle2.6%
1 vehicle48.5%
2 vehicles23.5%
3 or more25.3%

Heating fuel

Fuel type%
Electricity23.8%
Propane / LP gas3.8%
Fuel oil55.5%
Wood16.0%

Households & families

Household typeCount%
Married-couple family13940.4%
Cohabiting couple308.7%
Male householder, no spouse9728.2%
Female householder, no spouse7822.7%
Households with children under 187822.7%
Households with seniors (65+)21963.7%
Average household size1.76

Marital status

StatusMaleFemale
Never married32.5%18.0%
Married44.5%52.8%
Separated0.0%0.0%
Widowed2.6%7.9%
Divorced20.4%21.3%

Education

Less than 9th grade 0.0%
Some HS, no diploma 2.4%
HS graduate 17.5%
Some college, no degree 31.2%
Associate's degree 4.1%
Bachelor's degree 18.7%
Graduate / professional 26.1%
Metric%
HS diploma or higher97.6%
Bachelor's or higher44.8%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool87.5%
Kindergarten32.8%
Elementary school5854.7%
High school3129.2%
College / grad school65.7%

Employment

Industry of employment

Construction 24.8%
Other services 13.9%
Education & healthcare 13.0%
Professional & management 12.6%
Transportation & utilities 10.9%
Agriculture & mining 6.1%
Retail trade 5.7%
Finance & real estate 5.7%
Manufacturing 3.5%
Information 2.2%
Public administration 1.7%

Occupation

Category%
Management, business & arts47.0%
Service5.2%
Sales & office11.7%
Natural resources & construction26.5%
Production & transportation9.6%

Employment type

Type%
Private sector71.3%
Government13.5%
Self-employed15.2%
Unpaid family workers0.0%

Commute

Method%
Drive alone60.4%
Carpool12.0%
Public transit0.0%
Walk11.1%
Other means1.3%
Avg commute (minutes)9.9

Poverty

All people 14.9%
Under 18 years 2.3%
18 and over 16.9%
Married-couple families 0.0%
Female-led households 18.8%

Income support

Source% of households
Social Security57.3%
Retirement income20.6%
Supplemental Security1.5%
Cash public assistance1.5%
Food stamps / SNAP1.5%

Health indicators

Condition%
High blood pressure35.6%
High cholesterol35.5%
Heart disease7.7%
Stroke3.2%
Asthma9.7%
Arthritis30.2%
Kidney disease3.2%
Pulmonary disease7.7%
Cancer9.5%
Behavior / access%
Binge drinking14.1%
No physical activity18.2%
Less than 7 hrs sleep29.9%
Fair or poor health10.8%
Poor mental health11.3%
Poor physical health8.8%
No health insurance9.9%
Visited doctor (checkup)77.7%
Visited dentist70.2%
Cholesterol screening93.0%
Teeth loss13.5%

Veterans & disability

VeteransCount%
Civilian veterans112.1%
Disability%
Any disability17.2%
Under 189.3%
18–64 years5.6%
65 and over29.9%

Health insurance coverage

Type%
Private insurance68.2%
Public insurance51.4%
Uninsured under 1910.3%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only617100.0%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)59496.3%
Born in same state57192.5%
Born in different state19231.1%
Foreign born233.7%
Naturalized citizen233.7%
Not a US citizen1252.2%

Ancestry

AncestryCount%
French18029.2%
German355.7%
Italian345.5%
Arab304.9%
AncestryCount%
Polish182.9%
English152.4%
Norwegian61%
Dutch20.3%

Technology access

Metric% of households
Computer access55.8%
Internet access96.5%

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

Frequently asked questions
What ZIP codes does Islesboro, ME have?
Islesboro, ME has one ZIP code: 04848. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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