04578 ZIP Code — Wiscasset, ME

Lincoln County, Maine

ZIP code 04578 is located in Wiscasset, Maine, within Lincoln County. It covers approximately 33.44 square miles and serves a population of 4,657 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 207.

About ZIP code 04578

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 $278,300. Owner-occupancy is high at 84%, well above the national average.

Median household income is $86,300. The poverty rate of 7% is below the national average. 42% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 25 minutes is near the national average.

Educational attainment is near the national average, with 37% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 12% of civilians, above the national average of 7%.

Overall, ZIP code 04578 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

4,657

population

33.44

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

04578 ZIP code map

Cities in ZIP code 04578

Below are the cities the US Postal Service accepts for ZIP code 04578. Using any city not on this list may result in mail delivery delays.

City	Status
Wiscasset	Acceptable
Wiscasset	Preferred

Nearby ZIP codes

04556 Edgecomb (3.5 mi) 04571 Trevett (4.7 mi) 04579 Woolwich (4.7 mi) 04537 Boothbay (5.7 mi) 04573 Walpole (6.2 mi) 04549 Isle Of Springs (7.5 mi) 04553 Newcastle (7.9 mi) 04342 Dresden (8 mi) 04535 Alna (8.4 mi) 04538 Boothbay Harbor (8.7 mi) 04539 Bristol (9.2 mi) 04568 South Bristol (9.2 mi)

Demographics updated 06/2026

Population
Total population	4,657
Population density	139 / sq mi
State FIPS	23
County FIPS	015

Geography
Land area	33.44 sq mi
Water area	8.47 sq mi
Latitude	43.9702
Longitude	-69.6790
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	38.5%	42.6%	42.3%
$50k – $100k	41.6%	35.0%	32.3%
$100k – $200k	18.4%	18.1%	20.6%
Over $200k	1.5%	4.3%	4.9%

Demographics & statistics

4,657

Population

139

People per sq mi

48.2

Median age

$86,300

Median household income

$40,618

Per capita income

$278,300

Median home value

$957

Median monthly rent

83.5%

Home ownership

7.4%

Poverty rate

4.3%

Unemployment

2,095

Housing units

37.3%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

136

15–19

105

342

20–24

266

211

25–34

164

257

35–44

199

415

45–54

322

143

55–59

110

268

60–64

208

391

65–74

303

175

75–84

135

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	664	14.3%
18 and over	3,993	85.7%
65 and over	1,080	23.2%
Median age	48.2 years

Race & ethnicity

White 92.2%

Hispanic or Latino 1.7%

Black or African American 1.7%

Other race 1.5%

Two or more races 1.5%

Asian 1.2%

American Indian / Alaska Native 0.2%

Group	Count	%
White	4,368	92.2%
Hispanic or Latino	80	1.7%
Black or African American	79	1.7%
Other race	73	1.5%
Two or more races	71	1.5%
Asian	58	1.2%
American Indian / Alaska Native	8	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	38.5%	42.6%	42.3%
$50k – $100k	41.6%	35.0%	32.3%
$100k – $200k	18.4%	18.1%	20.6%
Over $200k	1.5%	4.3%	4.9%

Under $10k 2.3%

$10k–$15k 6.5%

$15k–$25k 2.3%

$25k–$35k 9.5%

$35k–$50k 5.9%

$50k–$75k 16.9%

$75k–$100k 18.9%

$100k–$150k 24.6%

$150k–$200k 10.1%

$200k+ 3.0%

Range	% of households
Under $10k	2.3%
$10k–$15k	6.5%
$15k–$25k	2.3%
$25k–$35k	9.5%
$35k–$50k	5.9%
$50k–$75k	16.9%
$75k–$100k	18.9%
$100k–$150k	24.6%
$150k–$200k	10.1%
$200k+	3.0%
Median income	$86,300

Housing

Home values

Under $50k 3.6%

$50k–$100k 2.4%

$100k–$150k 5.7%

$150k–$200k 13.5%

$200k–$300k 30.2%

$300k–$500k 27.6%

$500k–$1M 14.8%

$1M+ 2.3%

Housing overview

Metric	Value
Median home value	$278,300
Median rent / month	$957
Owner occupied	83.5%
Renter occupied	16.5%
Vacant	18.6%
Single-family detached	83.7%
Large apartment buildings	0.0%
Mobile homes	8.8%
Median rooms	6.1
Avg household size (owned)	2.18

Year built

Era	%
2020 or later	0.0%
2010–2019	3.5%
2000–2009	20.0%
1990–1999	13.6%
1980–1989	11.4%
1970–1979	15.9%
1960–1969	8.8%
1950–1959	1.5%
1940–1949	3.4%
1939 or earlier	22.0%

Bedrooms

Size	% of units
No bedroom (studio)	1.4%
1 bedroom	7.4%
2 bedrooms	17.7%
3 bedrooms	53.5%
4 bedrooms	9.2%
5+ bedrooms	10.7%

Vehicles per household

Vehicles	% of households
No vehicle	4.1%
1 vehicle	27.1%
2 vehicles	49.8%
3 or more	19.0%

Heating fuel

Fuel type	%
Utility gas	1.0%
Electricity	6.1%
Propane / LP gas	14.4%
Fuel oil	61.6%
Wood	13.0%
Solar	0.6%
No fuel used	3.1%

Households & families

Household type	Count	%
Married-couple family	920	46.7%
Cohabiting couple	175	8.9%
Male householder, no spouse	499	25.3%
Female householder, no spouse	376	19.1%
Households with children under 18	430	21.8%
Households with seniors (65+)	722	36.6%
Average household size	2.27

Marital status

Status	Male	Female
Never married	35.6%	21.3%
Married	44.3%	55.2%
Separated	1.8%	0.6%
Widowed	2.4%	4.8%
Divorced	15.9%	18.1%

Education

Less than 9th grade 0.9%

Some HS, no diploma 4.1%

HS graduate 31.6%

Some college, no degree 18.7%

Associate's degree 7.3%

Bachelor's degree 23.2%

Graduate / professional 14.1%

Metric	%
HS diploma or higher	95.0%
Bachelor's or higher	37.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	399	61.2%
High school	128	19.6%
College / grad school	125	19.2%

Employment

Industry of employment

Manufacturing 17.3%

Arts, food & hospitality 16.9%

Education & healthcare 13.8%

Construction 11.3%

Finance & real estate 10.1%

Retail trade 7.0%

Professional & management 7.0%

Public administration 5.3%

Agriculture & mining 2.8%

Information 2.8%

Wholesale trade 2.3%

Other services 2.3%

Transportation & utilities 1.2%

Occupation

Category	%
Management, business & arts	42.4%
Service	15.6%
Sales & office	18.3%
Natural resources & construction	15.0%
Production & transportation	8.7%

Employment type

Type	%
Private sector	73.7%
Government	13.7%
Self-employed	12.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	74.0%
Carpool	14.3%
Public transit	0.0%
Walk	0.2%
Work from home	11.2%
Other means	0.3%
Avg commute (minutes)	25.1

Poverty

All people 7.4%

Under 18 years 2.1%

18 and over 8.3%

Married-couple families 3.7%

Female-led households 4.8%

Income support

Source	% of households
Social Security	42.3%
Retirement income	35.0%
Supplemental Security	3.3%
Cash public assistance	3.1%
Food stamps / SNAP	4.9%

Health indicators

Condition	%
Obesity	26.3%
High blood pressure	33.9%
High cholesterol	32.6%
Diabetes	9.4%
Heart disease	7.2%
Stroke	3.2%
Asthma	10.1%
Arthritis	28.7%
Kidney disease	3.1%
Pulmonary disease	8.9%
Cancer	7.3%

Behavior / access	%
Smoking	19.9%
Binge drinking	15.5%
No physical activity	20.9%
Less than 7 hrs sleep	29.9%
Depression	24.9%
Fair or poor health	12.9%
Poor mental health	14.2%
Poor physical health	10.3%
No health insurance	13.6%
Visited doctor (checkup)	75.8%
Visited dentist	66.8%
Cholesterol screening	88.6%
Teeth loss	17.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	465	11.6%

Disability	%
Any disability	17.9%
Under 18	0.9%
18–64 years	18.6%
65 and over	26.4%

Health insurance coverage

Type	%
Private insurance	77.0%
Public insurance	42.7%
No insurance	7.1%
Uninsured under 19	4.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,528	97.2%
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)	4,556	97.8%
Born in same state	4,540	97.5%
Born in different state	2,754	59.1%
Foreign born	16	0.3%
Naturalized citizen	101	2.2%
Not a US citizen	92	91.1%

Ancestry

Ancestry	Count	%
French	1,172	25.2%
Italian	620	13.3%
English	406	8.7%
Arab	164	3.5%

Ancestry	Count	%
German	135	2.9%
Polish	40	0.9%
Irish	3	0.1%
Dutch	2	0%

Technology access

Metric	% of households
Computer access	42.3%
Internet access	95.8%

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

Frequently asked questions about ZIP code 04578

What city is ZIP code 04578 in?

ZIP code 04578 is primarily assigned to Wiscasset, Maine.

What county is ZIP code 04578 in?

ZIP code 04578 falls within Lincoln County, Maine.

Is ZIP code 04578 mostly owner-occupied?

84% of occupied units in ZIP code 04578 are owner-occupied, well above the national average.

Does ZIP code 04578 have a large retiree population?

42% of households in ZIP code 04578 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 04578 have a large veteran population?

12% of civilians in ZIP code 04578 are veterans, above the national average of ~7%.

What is the population of ZIP code 04578?

ZIP code 04578 has an estimated population of 4,657 residents, with a density of 139 people per square mile.

What timezone is ZIP code 04578 in?

ZIP code 04578 observes the EST timezone.