Newcastle ZIP Codes — Lincoln County, ME

There is one unique ZIP code in Newcastle, Maine and it is 04553. Area code: 207.

ZIP codes

29.05

sq mi land

3.52

sq mi water

207

area code

Newcastle, ME ZIP code map

About Newcastle, ME

Newcastle, Maine, is a picturesque town located in Lincoln County, known for its rich history and charming New England atmosphere. Nestled along the scenic Damariscotta River, Newcastle offers a serene setting that captivates both residents and visitors alike. With a strong sense of community and beautiful natural surroundings, Newcastle is a delightful place to explore and enjoy.

Location & geography

Newcastle is situated in the mid-coast region of Maine, approximately 2 miles from Damariscotta, 18 miles from Wiscasset, and 25 miles from Augusta. The town encompasses a land area of 29.05 square miles, complemented by a water area of 3.52 square miles, which contributes to its beautiful waterfront views. The terrain is characterized by rolling hills and lush forests, with the Damariscotta River serving as a prominent feature.

Community & economy

The character of Newcastle is reflective of its strong historical roots, with many buildings and sites that tell the story of its past. The local economy is supported by various industries, including boatbuilding, tourism, and agriculture, which thrive in the area’s natural beauty. Daily life in Newcastle is enriched by community events, local markets, and a focus on outdoor activities such as boating and hiking.

Transportation

Newcastle is accessible via U.S. Route 1, which runs nearby, connecting it to various coastal towns and cities. The nearest airport is the Augusta State Airport, located approximately 25 miles away, providing regional air travel options. Public transportation is limited, making personal vehicles the primary mode of transport for residents and visitors.

History

Newcastle was founded in the early 1700s and has a rich maritime history, particularly in shipbuilding and fishing. The town played a significant role in the shipping economy of the region, with many notable structures from this era still standing today. Historical events, such as the construction of the famous Fort Frederick during the colonial period, highlight its strategic importance.

Did you know?

A little-known fact about Newcastle is that it is home to several historic sites, including the Kennebec New England Botanical Gardens, which showcases the region's native flora. Additionally, the town celebrates its heritage with annual events such as the Newcastle Fourth of July parade, bringing the community together in a festive atmosphere.

ZIP codes for Newcastle, ME (1)

ZIP code	City	County	Map
04553	Newcastle	Lincoln	View map

Demographics & statistics

1,766

Population

50.1

Median age

$81,979

Median household income

$56,885

Per capita income

$396,300

Median home value

$1,039

Median monthly rent

78.7%

Home ownership

5.9%

Poverty rate

1.8%

Unemployment

763

Housing units

47.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

140

45–54

139

108

55–59

107

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	321	18.2%
18 and over	1,445	81.8%
65 and over	395	22.4%
Median age	50.1 years

Race & ethnicity

White 88.4%

Asian 5.1%

Two or more races 2.4%

American Indian / Alaska Native 2.1%

Hispanic or Latino 1.9%

Group	Count	%
White	1,592	88.4%
Asian	92	5.1%
Two or more races	44	2.4%
American Indian / Alaska Native	38	2.1%
Hispanic or Latino	34	1.9%

Household income

Under $10k 4.0%

$10k–$15k 1.6%

$15k–$25k 4.9%

$25k–$35k 12.0%

$35k–$50k 6.9%

$50k–$75k 14.8%

$75k–$100k 10.4%

$100k–$150k 18.1%

$150k–$200k 16.6%

$200k+ 10.7%

Range	% of households
Under $10k	4.0%
$10k–$15k	1.6%
$15k–$25k	4.9%
$25k–$35k	12.0%
$35k–$50k	6.9%
$50k–$75k	14.8%
$75k–$100k	10.4%
$100k–$150k	18.1%
$150k–$200k	16.6%
$200k+	10.7%
Median income	$81,979

Housing

Home values

Under $50k 1.0%

$50k–$100k 1.3%

$100k–$150k 1.3%

$150k–$200k 5.0%

$200k–$300k 23.8%

$300k–$500k 49.0%

$500k–$1M 18.5%

Housing overview

Metric	Value
Median home value	$396,300
Median rent / month	$1,039
Owner occupied	78.7%
Renter occupied	21.3%
Vacant	18.1%
Single-family detached	83.8%
Large apartment buildings	2.1%
Mobile homes	1.9%
Median rooms	6.1
Avg household size (owned)	2.49

Year built

Era	%
2020 or later	1.3%
2010–2019	6.5%
2000–2009	17.0%
1990–1999	18.8%
1980–1989	20.9%
1970–1979	5.4%
1960–1969	5.2%
1950–1959	3.6%
1940–1949	1.9%
1939 or earlier	19.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	4.5%
2 bedrooms	37.7%
3 bedrooms	39.8%
4 bedrooms	9.7%
5+ bedrooms	7.6%

Vehicles per household

Vehicles	% of households
No vehicle	5.5%
1 vehicle	24.6%
2 vehicles	47.2%
3 or more	22.7%

Heating fuel

Fuel type	%
Utility gas	1.8%
Electricity	14.9%
Propane / LP gas	14.3%
Fuel oil	49.8%
Wood	17.2%
No fuel used	0.8%

Households & families

Household type	Count	%
Married-couple family	451	59.6%
Cohabiting couple	36	4.8%
Male householder, no spouse	85	11.2%
Female householder, no spouse	185	24.4%
Households with children under 18	154	20.3%
Households with seniors (65+)	289	38.2%
Average household size	2.31

Marital status

Status	Male	Female
Never married	25.3%	17.1%
Married	64.7%	58.2%
Separated	0.6%	0.0%
Widowed	1.8%	12.1%
Divorced	7.6%	12.5%

Education

Less than 9th grade 0.0%

Some HS, no diploma 1.6%

HS graduate 26.4%

Some college, no degree 18.0%

Associate's degree 6.4%

Bachelor's degree 22.7%

Graduate / professional 24.8%

Metric	%
HS diploma or higher	98.4%
Bachelor's or higher	47.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	4	1.0%
Kindergarten	35	8.9%
Elementary school	192	48.6%
High school	63	15.9%
College / grad school	101	25.6%

Employment

Industry of employment

Education & healthcare 18.7%

Finance & real estate 15.8%

Professional & management 14.4%

Retail trade 12.7%

Construction 9.5%

Arts, food & hospitality 9.4%

Manufacturing 8.2%

Other services 5.2%

Agriculture & mining 2.5%

Public administration 1.8%

Wholesale trade 1.5%

Information 0.4%

Occupation

Category	%
Management, business & arts	56.4%
Service	17.3%
Sales & office	9.8%
Natural resources & construction	7.7%
Production & transportation	8.7%

Employment type

Type	%
Private sector	78.3%
Government	8.0%
Self-employed	12.7%
Unpaid family workers	0.9%

Commute

Method	%
Drive alone	53.6%
Carpool	22.4%
Public transit	0.0%
Walk	2.7%
Other means	1.3%
Avg commute (minutes)	16.5

Poverty

All people 5.9%

Under 18 years 4.5%

18 and over 6.3%

Married-couple families 2.2%

Female-led households 9.5%

Income support

Source	% of households
Social Security	33.0%
Retirement income	29.2%
Supplemental Security	4.5%
Cash public assistance	5.2%
Food stamps / SNAP	3.2%

Health indicators

Condition	%
High blood pressure	35.5%
High cholesterol	34.4%
Heart disease	7.7%
Stroke	3.3%
Asthma	9.6%
Arthritis	30.8%
Kidney disease	3.3%
Pulmonary disease	8.1%
Cancer	8.8%

Behavior / access	%
Binge drinking	13.9%
No physical activity	18.5%
Less than 7 hrs sleep	27.5%
Fair or poor health	11.3%
Poor mental health	12.2%
Poor physical health	9.4%
No health insurance	10.4%
Visited doctor (checkup)	78.4%
Visited dentist	72.6%
Cholesterol screening	92.1%
Teeth loss	13.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	168	11.6%

Disability	%
Any disability	13.5%
Under 18	14.3%
18–64 years	7.0%
65 and over	30.2%

Health insurance coverage

Type	%
Private insurance	77.0%
Public insurance	30.5%
Uninsured under 19	7.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,725	97.7%
Spanish	19	1.1%
Other Indo-European	8	0.5%
Asian & Pacific Islander	11	0.6%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,716	97.2%
Born in same state	1,699	96.2%
Born in different state	775	43.9%
Foreign born	17	1.0%
Naturalized citizen	50	2.8%
Not a US citizen	41	82.0%

Ancestry

Ancestry	Count	%
French	504	28.5%
Italian	184	10.4%
German	100	5.7%
Polish	76	4.3%

Ancestry	Count	%
English	74	4.2%
Arab	26	1.5%
Dutch	6	0.3%
Irish	4	0.2%

Technology access

Metric	% of households
Computer access	42.9%
Internet access	94.7%

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

Frequently asked questions

What ZIP codes does Newcastle, ME have?

Newcastle, ME has one ZIP code: 04553. Each ZIP code serves a distinct delivery area within the city and surrounding region.