04855 ZIP Code — Port Clyde, ME

Knox County, Maine

ZIP code 04855 is located in Port Clyde, Maine, within Knox County. It covers approximately 1.17 square miles and serves a population of 266 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 207.

About ZIP code 04855

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $354,700.

Median household income is $250,001. 93% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. Remote work is prevalent — 56% of workers work from home.

Educational attainment is high — 83% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 04855 reflects a community defined by a highly educated population, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

266

population

1.17

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

04855 ZIP code map

Cities in ZIP code 04855

Below are the cities the US Postal Service accepts for ZIP code 04855. Using any city not on this list may result in mail delivery delays.

City	Status
Port Clyde	Acceptable

Demographics updated 05/2026

Population
Total population	266
Population density	227 / sq mi
State FIPS	23
County FIPS	013

Geography
Land area	1.17 sq mi
Water area	2.85 sq mi
Latitude	43.9276
Longitude	-69.2603
Timezone	Eastern (ET)
Area code	207

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	14.5%	42.0%	42.3%
$50k – $100k	10.4%	34.5%	32.3%
$100k – $200k	32.1%	19.0%	20.6%
Over $200k	43.0%	4.6%	4.9%

Demographics & statistics

266

Population

227

People per sq mi

69.3

Median age

$250,001

Median household income

$139,901

Per capita income

$354,700

Median home value

Median monthly rent

100.0%

Home ownership

0.0%

Poverty rate

0.0%

Unemployment

257

Housing units

83.1%

Bachelor's or higher

Age distribution

Male Female

25–34

35–44

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	0	0.0%
18 and over	266	100.0%
65 and over	166	62.4%
Median age	69.3 years

Race & ethnicity

White 100%

Group	Count	%
White	266	100%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	14.5%	42.0%	42.3%
$50k – $100k	10.4%	34.5%	32.3%
$100k – $200k	32.1%	19.0%	20.6%
Over $200k	43.0%	4.6%	4.9%

$35k–$50k 7.4%

$150k–$200k 7.4%

$200k+ 85.3%

Range	% of households
$35k–$50k	7.4%
$150k–$200k	7.4%
$200k+	85.3%
Median income	$250,001

Housing

Home values

$150k–$200k 7.4%

$300k–$500k 85.3%

$500k–$1M 7.4%

Housing overview

Metric	Value
Median home value	$354,700
Median rent / month	$0
Owner occupied	100.0%
Renter occupied	0.0%
Vacant	36.6%
Single-family detached	100.0%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	7.4
Avg household size (owned)	1.63

Year built

Era	%
2020 or later	0.0%
2010–2019	4.7%
2000–2009	4.7%
1990–1999	4.7%
1980–1989	0.0%
1970–1979	0.0%
1960–1969	0.0%
1950–1959	13.2%
1940–1949	0.0%
1939 or earlier	72.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	31.5%
3 bedrooms	58.8%
4 bedrooms	9.7%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	7.4%
1 vehicle	0.0%
2 vehicles	85.3%
3 or more	7.4%

Heating fuel

Fuel type	%
Propane / LP gas	85.3%
Fuel oil	14.7%

Households & families

Household type	Count	%
Married-couple family	151	92.6%
Cohabiting couple	0	0.0%
Male householder, no spouse	12	7.4%
Female householder, no spouse	0	0.0%
Households with children under 18	0	0.0%
Households with seniors (65+)	151	92.6%
Average household size	1.63

Marital status

Status	Male	Female
Never married	7.4%	0.0%
Married	92.6%	100.0%
Separated	0.0%	0.0%
Widowed	0.0%	0.0%
Divorced	0.0%	0.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 10.2%

Some college, no degree 4.5%

Associate's degree 2.3%

Bachelor's degree 35.3%

Graduate / professional 47.7%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	83.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	0	0.0%
High school	0	0.0%
College / grad school	12	100.0%

Employment

Industry of employment

Professional & management 53.1%

Retail trade 34.3%

Construction 5.0%

Transportation & utilities 5.0%

Education & healthcare 2.5%

Occupation

Category	%
Management, business & arts	60.7%
Service	0.0%
Sales & office	34.3%
Natural resources & construction	0.0%
Production & transportation	5.0%

Employment type

Type	%
Private sector	100.0%
Government	0.0%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	44.4%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Work from home	55.6%
Other means	0.0%
Avg commute (minutes)	0.0

Poverty

All people 0.0%

Under 18 years 0.0%

18 and over 0.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	92.6%
Retirement income	14.7%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	28.4%
High blood pressure	38.6%
High cholesterol	40.3%
Diabetes	11.0%
Heart disease	9.0%
Stroke	3.7%
Asthma	9.6%
Arthritis	33.2%
Kidney disease	3.7%
Pulmonary disease	8.7%
Cancer	10.6%

Behavior / access	%
Smoking	12.9%
Binge drinking	12.8%
No physical activity	19.5%
Less than 7 hrs sleep	28.4%
Depression	20.0%
Fair or poor health	12.3%
Poor mental health	11.4%
Poor physical health	9.6%
No health insurance	11.1%
Visited doctor (checkup)	81.0%
Visited dentist	73.5%
Cholesterol screening	92.9%
Teeth loss	13.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	0	0.0%

Disability	%
Any disability	0.0%
Under 18	0.0%
18–64 years	0.0%
65 and over	0.0%

Health insurance coverage

Type	%
Private insurance	100.0%
Public insurance	62.4%
No insurance	0.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	266	100.0%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	266	100.0%
Born in same state	266	100.0%
Born in different state	18	6.8%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	139	52.3%
Arab	82	30.8%

Ancestry	Count	%
German	27	10.2%
Italian	18	6.8%

Technology access

Metric	% of households
Computer access	61.3%
Internet access	100.0%

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

Frequently asked questions about ZIP code 04855

What city is ZIP code 04855 in?

ZIP code 04855 is primarily assigned to Port Clyde, Maine.

What county is ZIP code 04855 in?

ZIP code 04855 falls within Knox County, Maine.

Does ZIP code 04855 have a large retiree population?

93% of households in ZIP code 04855 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 04855 have an older population?

62% of residents in ZIP code 04855 are 65 or older, above the national average of ~17%.

How educated is the population of ZIP code 04855?

83% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the median household income in ZIP code 04855?

The median household income in ZIP code 04855 is $250,001, above the national median of ~$75,000.

What timezone is ZIP code 04855 in?

ZIP code 04855 observes the EST timezone.