04558 ZIP Code — Pemaquid, ME

Lincoln County, Maine

ZIP code 04558 is located in Pemaquid, Maine, within Lincoln County. It covers approximately 5.57 square miles and serves a population of 276 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 207.

About ZIP code 04558

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 $406,300. Owner-occupancy is high at 92%, well above the national average.

The gap between median ($78,409) and mean household income suggests income inequality — a small number of higher earners pull the average up. 56% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 20 minutes is near the national average. Remote work is prevalent — 32% of workers work from home.

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

Overall, ZIP code 04558 reflects a community defined by a highly educated population, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

276

population

5.57

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

04558 ZIP code map

Cities in ZIP code 04558

Below are the cities the US Postal Service accepts for ZIP code 04558. Using any city not on this list may result in mail delivery delays.

City	Status
Pemaquid	Acceptable
Pemaquid	Preferred

Nearby ZIP codes

04541 Chamberlain (1.6 mi) 04554 New Harbor (2.6 mi) 04568 South Bristol (3 mi) 04564 Round Pond (4 mi) 04573 Walpole (4.1 mi) 04539 Bristol (4.3 mi) 04537 Boothbay (5.3 mi) 04544 East Boothbay (5.4 mi) 04538 Boothbay Harbor (5.7 mi) 04556 Edgecomb (6.8 mi) 04571 Trevett (7.8 mi) 04549 Isle Of Springs (8.3 mi)

Demographics updated 06/2026

Population
Total population	276
Population density	50 / sq mi
State FIPS	23
County FIPS	015

Geography
Land area	5.57 sq mi
Water area	1.49 sq mi
Latitude	43.8940
Longitude	-69.5202
Timezone	Eastern (ET)
Area code	207

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.0%	42.6%	42.3%
$50k – $100k	57.3%	35.0%	32.3%
$100k – $200k	8.3%	18.1%	20.6%
Over $200k	8.3%	4.3%	4.9%

Demographics & statistics

276

Population

People per sq mi

64.4

Median age

$78,409

Median household income

$56,020

Per capita income

$406,300

Median home value

Median monthly rent

92.4%

Home ownership

13.5%

Poverty rate

0.0%

Unemployment

357

Housing units

55.6%

Bachelor's or higher

Age distribution

Male Female

10–14

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	6	2.2%
18 and over	270	97.8%
65 and over	125	45.3%
Median age	64.4 years

Race & ethnicity

White 98.6%

Two or more races 0.7%

Black or African American 0.4%

Asian 0.4%

Group	Count	%
White	272	98.6%
Two or more races	2	0.7%
Black or African American	1	0.4%
Asian	1	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.0%	42.6%	42.3%
$50k – $100k	57.3%	35.0%	32.3%
$100k – $200k	8.3%	18.1%	20.6%
Over $200k	8.3%	4.3%	4.9%

$15k–$25k 7.6%

$25k–$35k 7.6%

$35k–$50k 6.9%

$50k–$75k 18.1%

$75k–$100k 34.7%

$100k–$150k 4.2%

$150k–$200k 5.6%

$200k+ 15.3%

Range	% of households
$15k–$25k	7.6%
$25k–$35k	7.6%
$35k–$50k	6.9%
$50k–$75k	18.1%
$75k–$100k	34.7%
$100k–$150k	4.2%
$150k–$200k	5.6%
$200k+	15.3%
Median income	$78,409

Housing

Home values

$100k–$150k 6.0%

$200k–$300k 4.5%

$300k–$500k 67.7%

$500k–$1M 12.8%

$1M+ 9.0%

Housing overview

Metric	Value
Median home value	$406,300
Median rent / month	$0
Owner occupied	92.4%
Renter occupied	7.6%
Vacant	60.9%
Single-family detached	97.8%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	6.3
Avg household size (owned)	1.78

Year built

Era	%
2020 or later	0.0%
2010–2019	2.2%
2000–2009	6.0%
1990–1999	1.9%
1980–1989	5.4%
1970–1979	13.3%
1960–1969	0.0%
1950–1959	4.3%
1940–1949	23.9%
1939 or earlier	42.9%

Bedrooms

Size	% of units
No bedroom (studio)	2.2%
1 bedroom	7.9%
2 bedrooms	15.8%
3 bedrooms	56.5%
4 bedrooms	1.9%
5+ bedrooms	15.8%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	28.5%
2 vehicles	59.7%
3 or more	11.8%

Heating fuel

Fuel type	%
Electricity	6.9%
Propane / LP gas	27.1%
Fuel oil	66.0%

Households & families

Household type	Count	%
Married-couple family	96	66.7%
Cohabiting couple	0	0.0%
Male householder, no spouse	29	20.1%
Female householder, no spouse	19	13.2%
Households with children under 18	6	4.2%
Households with seniors (65+)	90	62.5%
Average household size	1.79

Marital status

Status	Male	Female
Never married	0.8%	14.7%
Married	83.5%	74.1%
Separated	0.0%	1.4%
Widowed	15.0%	5.6%
Divorced	0.8%	4.2%

Education

Less than 9th grade 0.0%

Some HS, no diploma 3.8%

HS graduate 12.8%

Some college, no degree 8.3%

Associate's degree 19.5%

Bachelor's degree 28.6%

Graduate / professional 27.1%

Metric	%
HS diploma or higher	96.2%
Bachelor's or higher	55.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	6	85.7%
High school	0	0.0%
College / grad school	1	14.3%

Employment

Industry of employment

Agriculture & mining 21.8%

Education & healthcare 19.5%

Finance & real estate 10.5%

Arts, food & hospitality 9.8%

Manufacturing 9.0%

Public administration 8.3%

Retail trade 6.0%

Transportation & utilities 6.0%

Construction 4.5%

Professional & management 4.5%

Occupation

Category	%
Management, business & arts	54.9%
Service	14.3%
Sales & office	12.8%
Natural resources & construction	16.5%
Production & transportation	1.5%

Employment type

Type	%
Private sector	61.7%
Government	14.3%
Self-employed	24.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	36.8%
Carpool	17.3%
Public transit	0.0%
Walk	0.0%
Work from home	31.6%
Other means	14.3%
Avg commute (minutes)	20.1

Poverty

All people 13.5%

Under 18 years 0.0%

18 and over 13.8%

Married-couple families 11.5%

Female-led households 0.0%

Income support

Source	% of households
Social Security	55.6%
Retirement income	61.8%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	7.6%

Health indicators

Condition	%
Obesity	24.7%
High blood pressure	37.4%
High cholesterol	35.6%
Diabetes	10.3%
Heart disease	8.5%
Stroke	3.6%
Asthma	9.7%
Arthritis	32.4%
Kidney disease	3.5%
Pulmonary disease	9.1%
Cancer	9.2%

Behavior / access	%
Smoking	15.6%
Binge drinking	13.1%
No physical activity	19.6%
Less than 7 hrs sleep	27.4%
Depression	23.2%
Fair or poor health	12.2%
Poor mental health	12.4%
Poor physical health	9.9%
No health insurance	10.8%
Visited doctor (checkup)	79.0%
Visited dentist	71.1%
Cholesterol screening	91.7%
Teeth loss	15.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	21	7.8%

Disability	%
Any disability	10.9%
Under 18	0.0%
18–64 years	0.0%
65 and over	24.0%

Health insurance coverage

Type	%
Private insurance	68.5%
Public insurance	46.4%
No insurance	5.8%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	276	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)	268	97.1%
Born in same state	267	96.7%
Born in different state	67	24.3%
Foreign born	1	0.4%
Naturalized citizen	8	2.9%
Not a US citizen	8	100.0%

Ancestry

Ancestry	Count	%
French	65	23.6%
Italian	48	17.4%
German	13	4.7%
Polish	12	4.3%

Ancestry	Count	%
Irish	11	4%
Norwegian	8	2.9%
English	1	0.4%

Technology access

Metric	% of households
Computer access	52.2%
Internet access	100.0%

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

Frequently asked questions about ZIP code 04558

What city is ZIP code 04558 in?

ZIP code 04558 is primarily assigned to Pemaquid, Maine.

What county is ZIP code 04558 in?

ZIP code 04558 falls within Lincoln County, Maine.

Does ZIP code 04558 have an older population?

45% of residents in ZIP code 04558 are 65 or older, above the national average of ~17%.

Does ZIP code 04558 have a large retiree population?

56% of households in ZIP code 04558 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 04558 mostly owner-occupied?

92% of occupied units in ZIP code 04558 are owner-occupied, well above the national average.

How educated is the population of ZIP code 04558?

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

What timezone is ZIP code 04558 in?

ZIP code 04558 observes the EST timezone.