04348 ZIP Code — Jefferson, ME

Lincoln County, Maine

ZIP code 04348 is located in Jefferson, Maine, within Lincoln County. It covers approximately 75.25 square miles and serves a population of 3,508 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 207.

About ZIP code 04348

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $212,800. Owner-occupancy is high at 85%, well above the national average.

Median household income is $71,211. 42% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 29 minutes is near the national average.

Educational attainment is near the national average, with 30% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (20%) compared to national benchmarks.

Notable community characteristics include a notable veteran presence at 13% of civilians, above the national average of 7%.

Overall, ZIP code 04348 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

3,508

population

75.25

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

04348 ZIP code map

Cities in ZIP code 04348

Below are the cities the US Postal Service accepts for ZIP code 04348. Using any city not on this list may result in mail delivery delays.

City	Status
Jefferson	Acceptable
Jefferson	Preferred

Nearby ZIP codes

04353 Whitefield (5.6 mi) 04574 Washington (6.5 mi) 04363 Windsor (7.4 mi) 04555 Nobleboro (7.7 mi) 04572 Waldoboro (10.3 mi) 04862 Union (11.2 mi) 04535 Alna (11.4 mi) 04553 Newcastle (12.4 mi) 04354 Palermo (12.6 mi) 04543 Damariscotta (12.9 mi) 04949 Liberty (13 mi) 04358 South China (13.8 mi)

Demographics updated 05/2026

Population
Total population	3,508
Population density	47 / sq mi
State FIPS	23
County FIPS	015

Geography
Land area	75.25 sq mi
Water area	6.89 sq mi
Latitude	44.2219
Longitude	-69.4977
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	40.7%	42.6%	42.3%
$50k – $100k	41.8%	35.0%	32.3%
$100k – $200k	15.9%	18.1%	20.6%
Over $200k	1.7%	4.3%	4.9%

Demographics & statistics

3,508

Population

People per sq mi

37.1

Median age

$71,211

Median household income

$31,921

Per capita income

$212,800

Median home value

$943

Median monthly rent

85.3%

Home ownership

9.3%

Poverty rate

3.1%

Unemployment

1,707

Housing units

29.9%

Bachelor's or higher

Age distribution

Male Female

138

Under 5

111

110

5–9

168

10–14

135

107

15–19

126

20–24

100

235

25–34

188

221

35–44

176

235

45–54

187

107

55–59

117

60–64

213

65–74

171

132

75–84

105

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	895	25.5%
18 and over	2,613	74.5%
65 and over	693	19.8%
Median age	37.1 years

Race & ethnicity

White 90.4%

Two or more races 4.8%

Hispanic or Latino 3.4%

Black or African American 1.4%

Asian 0.1%

Group	Count	%
White	3,281	90.4%
Two or more races	173	4.8%
Hispanic or Latino	123	3.4%
Black or African American	50	1.4%
Asian	3	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	40.7%	42.6%	42.3%
$50k – $100k	41.8%	35.0%	32.3%
$100k – $200k	15.9%	18.1%	20.6%
Over $200k	1.7%	4.3%	4.9%

Under $10k 0.6%

$10k–$15k 0.9%

$15k–$25k 8.6%

$25k–$35k 9.7%

$35k–$50k 15.3%

$50k–$75k 18.2%

$75k–$100k 14.3%

$100k–$150k 22.2%

$150k–$200k 7.0%

$200k+ 3.2%

Range	% of households
Under $10k	0.6%
$10k–$15k	0.9%
$15k–$25k	8.6%
$25k–$35k	9.7%
$35k–$50k	15.3%
$50k–$75k	18.2%
$75k–$100k	14.3%
$100k–$150k	22.2%
$150k–$200k	7.0%
$200k+	3.2%
Median income	$71,211

Housing

Home values

Under $50k 2.9%

$50k–$100k 7.5%

$100k–$150k 24.3%

$150k–$200k 9.7%

$200k–$300k 29.7%

$300k–$500k 19.9%

$500k–$1M 5.1%

$1M+ 0.9%

Housing overview

Metric	Value
Median home value	$212,800
Median rent / month	$943
Owner occupied	85.3%
Renter occupied	14.7%
Vacant	33.0%
Single-family detached	86.1%
Large apartment buildings	0.0%
Mobile homes	12.4%
Median rooms	5.6
Avg household size (owned)	2.70

Year built

Era	%
2020 or later	0.0%
2010–2019	4.4%
2000–2009	13.2%
1990–1999	14.2%
1980–1989	21.7%
1970–1979	11.8%
1960–1969	11.0%
1950–1959	6.7%
1940–1949	0.5%
1939 or earlier	16.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	9.6%
2 bedrooms	33.1%
3 bedrooms	39.2%
4 bedrooms	14.1%
5+ bedrooms	3.4%

Vehicles per household

Vehicles	% of households
No vehicle	4.1%
1 vehicle	22.7%
2 vehicles	44.8%
3 or more	28.4%

Heating fuel

Fuel type	%
Electricity	7.6%
Propane / LP gas	7.5%
Fuel oil	58.4%
Wood	25.6%
No fuel used	0.6%

Households & families

Household type	Count	%
Married-couple family	716	56.4%
Cohabiting couple	158	12.5%
Male householder, no spouse	205	16.2%
Female householder, no spouse	190	15.0%
Households with children under 18	445	35.1%
Households with seniors (65+)	477	37.6%
Average household size	2.76

Marital status

Status	Male	Female
Never married	30.3%	24.7%
Married	56.4%	56.6%
Separated	0.0%	1.2%
Widowed	2.7%	8.3%
Divorced	10.6%	9.2%

Education

Less than 9th grade 1.8%

Some HS, no diploma 3.2%

HS graduate 35.1%

Some college, no degree 21.7%

Associate's degree 8.3%

Bachelor's degree 21.8%

Graduate / professional 8.1%

Metric	%
HS diploma or higher	95.1%
Bachelor's or higher	29.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	44	5.7%
Kindergarten	55	7.1%
Elementary school	418	53.7%
High school	168	21.6%
College / grad school	93	12.0%

Employment

Industry of employment

Education & healthcare 26.0%

Manufacturing 14.5%

Professional & management 11.0%

Retail trade 9.9%

Public administration 8.3%

Construction 7.0%

Other services 5.8%

Arts, food & hospitality 5.4%

Transportation & utilities 4.9%

Agriculture & mining 2.8%

Finance & real estate 2.3%

Wholesale trade 1.2%

Information 1.0%

Occupation

Category	%
Management, business & arts	35.0%
Service	20.0%
Sales & office	13.6%
Natural resources & construction	12.8%
Production & transportation	18.6%

Employment type

Type	%
Private sector	67.5%
Government	24.0%
Self-employed	8.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	77.1%
Carpool	12.2%
Public transit	1.3%
Walk	2.3%
Work from home	6.9%
Other means	0.2%
Avg commute (minutes)	29.0

Poverty

All people 9.3%

Under 18 years 16.6%

18 and over 7.0%

Married-couple families 3.9%

Female-led households 17.4%

Income support

Source	% of households
Social Security	41.5%
Retirement income	29.2%
Supplemental Security	3.1%
Cash public assistance	0.9%
Food stamps / SNAP	9.5%

Health indicators

Condition	%
Obesity	27.1%
High blood pressure	35.3%
High cholesterol	33.5%
Diabetes	10.0%
Heart disease	7.7%
Stroke	3.5%
Asthma	10.3%
Arthritis	30.0%
Kidney disease	3.3%
Pulmonary disease	9.5%
Cancer	7.5%

Behavior / access	%
Smoking	20.2%
Binge drinking	15.0%
No physical activity	21.3%
Less than 7 hrs sleep	30.0%
Depression	25.1%
Fair or poor health	13.6%
Poor mental health	14.2%
Poor physical health	10.8%
No health insurance	13.2%
Visited doctor (checkup)	76.4%
Visited dentist	66.2%
Cholesterol screening	89.4%
Teeth loss	18.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	328	12.6%

Disability	%
Any disability	14.0%
Under 18	6.5%
18–64 years	12.8%
65 and over	26.8%

Health insurance coverage

Type	%
Private insurance	64.3%
Public insurance	42.5%
No insurance	10.1%
Uninsured under 19	9.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,259	92.9%
Spanish	31	1.0%
Other Indo-European	6	0.2%
Asian & Pacific Islander	22	0.7%
Other languages	3	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,442	98.1%
Born in same state	3,419	97.5%
Born in different state	2,451	69.9%
Foreign born	23	0.7%
Naturalized citizen	66	1.9%
Not a US citizen	50	75.8%

Ancestry

Ancestry	Count	%
French	897	25.6%
Italian	481	13.7%
Arab	226	6.4%
Irish	106	3%

Ancestry	Count	%
German	80	2.3%
English	19	0.5%
Dutch	14	0.4%
Polish	2	0.1%

Technology access

Metric	% of households
Computer access	36.2%
Internet access	89.8%

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

Frequently asked questions about ZIP code 04348

What city is ZIP code 04348 in?

ZIP code 04348 is primarily assigned to Jefferson, Maine.

What county is ZIP code 04348 in?

ZIP code 04348 falls within Lincoln County, Maine.

Is ZIP code 04348 mostly owner-occupied?

85% of occupied units in ZIP code 04348 are owner-occupied, well above the national average.

Does ZIP code 04348 have a large retiree population?

42% of households in ZIP code 04348 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 04348 have a large veteran population?

13% of civilians in ZIP code 04348 are veterans, above the national average of ~7%.

What is the population of ZIP code 04348?

ZIP code 04348 has an estimated population of 3,508 residents, with a density of 47 people per square mile.

What timezone is ZIP code 04348 in?

ZIP code 04348 observes the EST timezone.