Gardiner ZIP Codes — Kennebec County, ME

There is one unique ZIP code in Gardiner, Maine and it is 04345. Area code: 207.

ZIP codes

71.74

sq mi land

4.59

sq mi water

207

area code

Gardiner, ME ZIP code map

About Gardiner, ME

Gardiner, Maine, is a charming city located in Kennebec County. Known for its vibrant community and rich history, it offers a blend of both urban and rural living. With picturesque landscapes and a variety of local attractions, Gardiner provides a unique experience for residents and visitors alike.

Location & geography

The city of Gardiner is situated in the central part of Maine, making it easily accessible from nearby urban areas. It is approximately 10 miles from Augusta, the state capital, and about 15 miles from Hallowell. The total land area covers 71.74 square miles, with an additional 4.59 square miles of water, providing a mix of rugged terrain and scenic waterfront views.

Community & economy

Gardiner exhibits a strong sense of community, characterized by friendly residents and an active local culture. This city has a diverse economy, with key industries including healthcare, retail, and manufacturing, which contribute to the daily life of its inhabitants. Many local events and gatherings foster a sense of belonging and pride among Gardiner's citizens.

Transportation

Gardiner is conveniently located near major highways, including U.S. Route 201 and Interstate 95, facilitating easy travel to surrounding areas. The nearest airport is the Augusta State Airport, approximately 10 miles away. Public transit options are limited but available, connecting residents to nearby cities and towns.

History

Founded in the early 19th century, Gardiner initially thrived on its shipbuilding and lumber industries, which were pivotal to its growth. The city became known as a manufacturing hub over the years, especially in textiles and paper products. Notable events in Gardiner's history include its incorporation in 1803 and the establishment of various cultural and educational institutions that continue to serve the community.

Did you know?

One little-known fact about Gardiner is that it has a significant historical connection to the lumber trade, which played a crucial role in the city's economic development. Additionally, Gardiner is home to the historic Gardiner Common, a beautiful area that hosts various community events throughout the year.

ZIP codes for Gardiner, ME (1)

ZIP code	City	County	Map
04345	Gardiner	Kennebec	View map

Demographics & statistics

12,282

Population

43.9

Median age

$70,194

Median household income

$37,385

Per capita income

$182,100

Median home value

$922

Median monthly rent

76.7%

Home ownership

9.3%

Poverty rate

5.0%

Unemployment

4,364

Housing units

26.6%

Bachelor's or higher

Age distribution

Male Female

206

Under 5

218

352

5–9

371

255

10–14

269

369

15–19

389

543

20–24

573

525

25–34

554

819

35–44

864

955

45–54

1,008

422

55–59

446

353

60–64

373

731

65–74

771

318

75–84

335

128

85+

135

← Male

Female →

Age summary

Group	Count	%
Under 18	2,219	18.1%
18 and over	10,063	81.9%
65 and over	2,418	19.7%
Median age	43.9 years

Race & ethnicity

White 87.2%

Two or more races 5.3%

Hispanic or Latino 5.3%

Other race 1.1%

Asian 0.9%

American Indian / Alaska Native 0.1%

Group	Count	%
White	11,317	87.2%
Two or more races	694	5.3%
Hispanic or Latino	692	5.3%
Other race	141	1.1%
Asian	114	0.9%
American Indian / Alaska Native	13	0.1%

Household income

Under $10k 4.5%

$10k–$15k 5.5%

$15k–$25k 7.9%

$25k–$35k 7.8%

$35k–$50k 10.4%

$50k–$75k 17.2%

$75k–$100k 13.1%

$100k–$150k 19.2%

$150k–$200k 9.3%

$200k+ 5.1%

Range	% of households
Under $10k	4.5%
$10k–$15k	5.5%
$15k–$25k	7.9%
$25k–$35k	7.8%
$35k–$50k	10.4%
$50k–$75k	17.2%
$75k–$100k	13.1%
$100k–$150k	19.2%
$150k–$200k	9.3%
$200k+	5.1%
Median income	$70,194

Housing

Home values

Under $50k 7.5%

$50k–$100k 10.6%

$100k–$150k 21.0%

$150k–$200k 17.6%

$200k–$300k 28.5%

$300k–$500k 11.3%

$500k–$1M 3.4%

Housing overview

Metric	Value
Median home value	$182,100
Median rent / month	$922
Owner occupied	76.7%
Renter occupied	23.3%
Vacant	10.4%
Single-family detached	64.8%
Large apartment buildings	0.9%
Mobile homes	13.1%
Median rooms	5.4
Avg household size (owned)	2.57

Year built

Era	%
2020 or later	0.0%
2010–2019	7.0%
2000–2009	8.0%
1990–1999	11.0%
1980–1989	10.5%
1970–1979	13.8%
1960–1969	6.3%
1950–1959	7.9%
1940–1949	4.0%
1939 or earlier	31.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.7%
1 bedroom	11.4%
2 bedrooms	32.1%
3 bedrooms	37.1%
4 bedrooms	13.2%
5+ bedrooms	5.4%

Vehicles per household

Vehicles	% of households
No vehicle	8.3%
1 vehicle	28.8%
2 vehicles	39.6%
3 or more	23.3%

Heating fuel

Fuel type	%
Utility gas	6.9%
Electricity	7.6%
Propane / LP gas	8.3%
Fuel oil	66.7%
Wood	6.9%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	2,557	51.8%
Cohabiting couple	412	8.3%
Male householder, no spouse	706	14.3%
Female householder, no spouse	1,263	25.6%
Households with children under 18	1,230	24.9%
Households with seniors (65+)	1,653	33.5%
Average household size	2.47

Marital status

Status	Male	Female
Never married	33.1%	28.6%
Married	53.9%	51.4%
Separated	0.5%	0.5%
Widowed	2.2%	7.8%
Divorced	10.3%	11.7%

Education

Less than 9th grade 2.2%

Some HS, no diploma 2.2%

HS graduate 38.7%

Some college, no degree 21.2%

Associate's degree 9.2%

Bachelor's degree 18.4%

Graduate / professional 8.1%

Metric	%
HS diploma or higher	95.6%
Bachelor's or higher	26.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	78	2.9%
Kindergarten	244	9.1%
Elementary school	767	28.7%
High school	1,013	37.9%
College / grad school	568	21.3%

Employment

Industry of employment

Education & healthcare 28.0%

Retail trade 17.1%

Public administration 9.9%

Construction 8.9%

Professional & management 7.4%

Manufacturing 7.0%

Other services 5.4%

Arts, food & hospitality 4.8%

Finance & real estate 3.8%

Wholesale trade 3.4%

Transportation & utilities 3.1%

Agriculture & mining 1.0%

Information 0.3%

Occupation

Category	%
Management, business & arts	38.0%
Service	14.1%
Sales & office	23.1%
Natural resources & construction	12.3%
Production & transportation	12.5%

Employment type

Type	%
Private sector	73.3%
Government	20.4%
Self-employed	6.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	82.4%
Carpool	6.5%
Public transit	0.3%
Walk	1.8%
Other means	0.7%
Avg commute (minutes)	26.0

Poverty

All people 9.3%

Under 18 years 10.7%

18 and over 9.0%

Married-couple families 3.9%

Female-led households 18.7%

Income support

Source	% of households
Social Security	34.9%
Retirement income	28.4%
Supplemental Security	4.8%
Cash public assistance	3.2%
Food stamps / SNAP	9.7%

Health indicators

Condition	%
High blood pressure	33.1%
High cholesterol	32.6%
Heart disease	7.3%
Stroke	3.2%
Asthma	11.2%
Arthritis	27.9%
Kidney disease	3.0%
Pulmonary disease	9.0%
Cancer	6.9%

Behavior / access	%
Binge drinking	15.8%
No physical activity	22.7%
Less than 7 hrs sleep	30.1%
Fair or poor health	13.8%
Poor mental health	14.6%
Poor physical health	10.7%
No health insurance	12.7%
Visited doctor (checkup)	79.1%
Visited dentist	65.3%
Cholesterol screening	88.6%
Teeth loss	18.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,152	11.4%

Disability	%
Any disability	16.8%
Under 18	8.4%
18–64 years	15.3%
65 and over	29.6%

Health insurance coverage

Type	%
Private insurance	71.3%
Public insurance	36.7%
Uninsured under 19	4.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	11,858	96.5%
Spanish	281	2.4%
Other Indo-European	180	1.5%
Asian & Pacific Islander	72	0.6%
Other languages	29	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	11,951	97.3%
Born in same state	11,900	96.9%
Born in different state	9,135	74.4%
Foreign born	51	0.4%
Naturalized citizen	331	2.7%
Not a US citizen	198	59.8%

Ancestry

Ancestry	Count	%
French	2,846	23.2%
Italian	1,804	14.7%
Arab	1,202	9.8%
German	433	3.5%
Norwegian	105	0.9%

Ancestry	Count	%
English	80	0.7%
Dutch	77	0.6%
Irish	49	0.4%
Polish	37	0.3%

Technology access

Metric	% of households
Computer access	40.2%
Internet access	94.3%

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

Frequently asked questions

What ZIP codes does Gardiner, ME have?

Gardiner, ME has one ZIP code: 04345. Each ZIP code serves a distinct delivery area within the city and surrounding region.