04355 ZIP Code — Readfield, ME

Kennebec County, Maine

ZIP code 04355 is located in Readfield, Maine, within Kennebec County. It covers approximately 29.11 square miles and serves a population of 2,616 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 207.

About ZIP code 04355

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $266,500. Owner-occupancy is high at 87%, well above the national average.

Median household income is $96,563. The poverty rate of 4% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 30 minutes is near the national average. Remote work is prevalent — 26% of workers work from home.

Educational attainment is high — 49% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 04355 reflects a community defined by high homeownership and a high rate of remote workers.

2,616

population

29.11

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

04355 ZIP code map

Cities in ZIP code 04355

Below are the cities the US Postal Service accepts for ZIP code 04355. Using any city not on this list may result in mail delivery delays.

City	Status
Readfield	Preferred

Nearby ZIP codes

04364 Winthrop (5.4 mi) 04352 Mount Vernon (5.8 mi) 04351 Manchester (5.9 mi) 04349 Kents Hill (6.7 mi) 04284 Wayne (6.9 mi) 04917 Belgrade (8.6 mi) 04265 North Monmouth (9 mi) 04918 Belgrade Lakes (9.3 mi) 04347 Hallowell (9.7 mi) 04336 Augusta (10.1 mi) 04254 Livermore Falls (10.1 mi) 04333 Augusta (10.2 mi)

Demographics updated 05/2026

Population
Total population	2,616
Population density	90 / sq mi
State FIPS	23
County FIPS	011

Geography
Land area	29.11 sq mi
Water area	1.79 sq mi
Latitude	44.3894
Longitude	-69.9524
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	26.9%	45.7%	42.3%
$50k – $100k	34.4%	32.0%	32.3%
$100k – $200k	30.5%	18.4%	20.6%
Over $200k	8.2%	3.8%	4.9%

Demographics & statistics

2,616

Population

People per sq mi

45.0

Median age

$96,563

Median household income

$43,496

Per capita income

$266,500

Median home value

$1,173

Median monthly rent

87.3%

Home ownership

4.2%

Poverty rate

4.2%

Unemployment

1,172

Housing units

48.9%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

104

15–19

20–24

162

25–34

138

157

35–44

133

239

45–54

204

105

55–59

103

60–64

203

65–74

172

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	549	21.0%
18 and over	2,067	79.0%
65 and over	480	18.3%
Median age	45.0 years

Race & ethnicity

White 97%

Two or more races 1.2%

Hispanic or Latino 1%

American Indian / Alaska Native 0.5%

Black or African American 0.3%

Group	Count	%
White	2,564	97%
Two or more races	32	1.2%
Hispanic or Latino	26	1%
American Indian / Alaska Native	13	0.5%
Black or African American	7	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.9%	45.7%	42.3%
$50k – $100k	34.4%	32.0%	32.3%
$100k – $200k	30.5%	18.4%	20.6%
Over $200k	8.2%	3.8%	4.9%

Under $10k 0.7%

$10k–$15k 2.5%

$15k–$25k 2.7%

$25k–$35k 2.1%

$35k–$50k 15.4%

$50k–$75k 11.2%

$75k–$100k 17.2%

$100k–$150k 26.3%

$150k–$200k 12.1%

$200k+ 9.7%

Range	% of households
Under $10k	0.7%
$10k–$15k	2.5%
$15k–$25k	2.7%
$25k–$35k	2.1%
$35k–$50k	15.4%
$50k–$75k	11.2%
$75k–$100k	17.2%
$100k–$150k	26.3%
$150k–$200k	12.1%
$200k+	9.7%
Median income	$96,563

Housing

Home values

Under $50k 3.9%

$50k–$100k 3.0%

$100k–$150k 7.5%

$150k–$200k 17.7%

$200k–$300k 27.9%

$300k–$500k 33.4%

$500k–$1M 6.6%

Housing overview

Metric	Value
Median home value	$266,500
Median rent / month	$1,173
Owner occupied	87.3%
Renter occupied	12.7%
Vacant	23.7%
Single-family detached	88.8%
Large apartment buildings	0.0%
Mobile homes	5.9%
Median rooms	6.0
Avg household size (owned)	2.58

Year built

Era	%
2020 or later	1.8%
2010–2019	3.2%
2000–2009	13.6%
1990–1999	20.1%
1980–1989	10.6%
1970–1979	23.5%
1960–1969	3.0%
1950–1959	5.0%
1940–1949	1.8%
1939 or earlier	17.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	13.8%
2 bedrooms	19.4%
3 bedrooms	41.2%
4 bedrooms	20.5%
5+ bedrooms	5.1%

Vehicles per household

Vehicles	% of households
No vehicle	1.1%
1 vehicle	20.2%
2 vehicles	52.3%
3 or more	26.4%

Heating fuel

Fuel type	%
Utility gas	1.2%
Electricity	1.9%
Propane / LP gas	11.8%
Fuel oil	61.9%
Wood	21.5%

Households & families

Household type	Count	%
Married-couple family	598	60.3%
Cohabiting couple	112	11.3%
Male householder, no spouse	114	11.5%
Female householder, no spouse	167	16.9%
Households with children under 18	303	30.6%
Households with seniors (65+)	331	33.4%
Average household size	2.59

Marital status

Status	Male	Female
Never married	33.6%	20.4%
Married	52.2%	59.6%
Separated	0.0%	0.0%
Widowed	1.5%	6.0%
Divorced	12.7%	14.0%

Education

Less than 9th grade 0.8%

Some HS, no diploma 3.8%

HS graduate 23.1%

Some college, no degree 16.0%

Associate's degree 7.4%

Bachelor's degree 36.0%

Graduate / professional 12.9%

Metric	%
HS diploma or higher	95.3%
Bachelor's or higher	48.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	20	4.3%
Kindergarten	24	5.2%
Elementary school	193	41.7%
High school	169	36.5%
College / grad school	57	12.3%

Employment

Industry of employment

Education & healthcare 40.0%

Construction 10.1%

Manufacturing 9.6%

Public administration 9.4%

Retail trade 6.4%

Arts, food & hospitality 5.5%

Professional & management 4.9%

Transportation & utilities 4.5%

Finance & real estate 3.0%

Other services 2.2%

Agriculture & mining 2.1%

Wholesale trade 2.0%

Information 0.4%

Occupation

Category	%
Management, business & arts	54.4%
Service	8.0%
Sales & office	15.5%
Natural resources & construction	9.9%
Production & transportation	12.3%

Employment type

Type	%
Private sector	76.3%
Government	17.3%
Self-employed	6.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	56.2%
Carpool	10.9%
Public transit	0.0%
Walk	4.7%
Work from home	26.2%
Other means	1.9%
Avg commute (minutes)	29.7

Poverty

All people 4.2%

Under 18 years 2.2%

18 and over 4.7%

Married-couple families 0.0%

Female-led households 9.5%

Income support

Source	% of households
Social Security	29.1%
Retirement income	27.7%
Supplemental Security	4.1%
Cash public assistance	0.7%
Food stamps / SNAP	4.3%

Health indicators

Condition	%
Obesity	33.3%
High blood pressure	31.1%
High cholesterol	32.5%
Diabetes	9.2%
Heart disease	6.4%
Stroke	2.6%
Asthma	10.4%
Arthritis	26.0%
Kidney disease	2.6%
Pulmonary disease	7.2%
Cancer	7.0%

Behavior / access	%
Smoking	16.5%
Binge drinking	16.1%
No physical activity	19.2%
Less than 7 hrs sleep	28.4%
Depression	22.1%
Fair or poor health	11.0%
Poor mental health	13.0%
Poor physical health	8.9%
No health insurance	10.7%
Visited doctor (checkup)	79.3%
Visited dentist	71.1%
Cholesterol screening	90.7%
Teeth loss	13.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	170	8.2%

Disability	%
Any disability	11.9%
Under 18	3.3%
18–64 years	9.3%
65 and over	30.4%

Health insurance coverage

Type	%
Private insurance	78.5%
Public insurance	27.3%
No insurance	6.7%
Uninsured under 19	1.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,489	95.1%
Spanish	5	0.2%
Other Indo-European	0	0.0%
Asian & Pacific Islander	5	0.2%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,532	96.8%
Born in same state	2,512	96.0%
Born in different state	1,576	60.2%
Foreign born	20	0.8%
Naturalized citizen	84	3.2%
Not a US citizen	72	85.7%

Ancestry

Ancestry	Count	%
French	673	25.7%
Italian	527	20.1%
German	133	5.1%
Arab	126	4.8%

Ancestry	Count	%
Polish	32	1.2%
English	13	0.5%
Irish	4	0.2%

Technology access

Metric	% of households
Computer access	37.9%
Internet access	97.6%

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

Frequently asked questions about ZIP code 04355

What city is ZIP code 04355 in?

ZIP code 04355 is primarily assigned to Readfield, Maine.

What county is ZIP code 04355 in?

ZIP code 04355 falls within Kennebec County, Maine.

Is ZIP code 04355 mostly owner-occupied?

87% of occupied units in ZIP code 04355 are owner-occupied, well above the national average.

How educated is the population of ZIP code 04355?

49% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the population of ZIP code 04355?

ZIP code 04355 has an estimated population of 2,616 residents, with a density of 90 people per square mile.

What is the median household income in ZIP code 04355?

The median household income in ZIP code 04355 is $96,563, above the national median of ~$75,000.

What timezone is ZIP code 04355 in?

ZIP code 04355 observes the EST timezone.