04573 ZIP Code — Walpole, ME

Lincoln County, Maine

ZIP code 04573 is located in Walpole, Maine, within Lincoln County. It covers approximately 7.90 square miles and serves a population of 460 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 207.

About ZIP code 04573

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 $395,000. Owner-occupancy is high at 92%, well above the national average.

The gap between median ($90,446) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 3% is below the national average. 50% 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 24 minutes is near the national average.

Educational attainment is high — 59% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 04573 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.

460

population

7.90

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

04573 ZIP code map

Cities in ZIP code 04573

Below are the cities the US Postal Service accepts for ZIP code 04573. Using any city not on this list may result in mail delivery delays.

City	Status
Walpole	Preferred

Nearby ZIP codes

04556 Edgecomb (2.9 mi) 04539 Bristol (3.1 mi) 04558 Pemaquid (4.1 mi) 04537 Boothbay (4.9 mi) 04541 Chamberlain (5.1 mi) 04564 Round Pond (5.3 mi) 04568 South Bristol (5.7 mi) 04578 Wiscasset (6.2 mi) 04571 Trevett (6.6 mi) 04554 New Harbor (6.7 mi) 04543 Damariscotta (6.8 mi) 04553 Newcastle (7.1 mi)

Demographics updated 06/2026

Population
Total population	460
Population density	58 / sq mi
State FIPS	23
County FIPS	015

Geography
Land area	7.90 sq mi
Water area	0.14 sq mi
Latitude	43.9469
Longitude	-69.5583
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	20.6%	42.6%	42.3%
$50k – $100k	45.1%	35.0%	32.3%
$100k – $200k	25.1%	18.1%	20.6%
Over $200k	9.1%	4.3%	4.9%

Demographics & statistics

460

Population

People per sq mi

42.4

Median age

$90,446

Median household income

$47,853

Per capita income

$395,000

Median home value

Median monthly rent

91.8%

Home ownership

2.5%

Poverty rate

6.8%

Unemployment

212

Housing units

58.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	56	12.2%
18 and over	404	87.8%
65 and over	143	31.1%
Median age	42.4 years

Race & ethnicity

White 91.2%

Two or more races 3.2%

Asian 2.8%

Black or African American 1.3%

Hispanic or Latino 1.3%

Other race 0.2%

Group	Count	%
White	425	91.2%
Two or more races	15	3.2%
Asian	13	2.8%
Black or African American	6	1.3%
Hispanic or Latino	6	1.3%
Other race	1	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.6%	42.6%	42.3%
$50k – $100k	45.1%	35.0%	32.3%
$100k – $200k	25.1%	18.1%	20.6%
Over $200k	9.1%	4.3%	4.9%

Under $10k 5.8%

$35k–$50k 7.0%

$50k–$75k 21.1%

$75k–$100k 24.6%

$100k–$150k 29.2%

$150k–$200k 3.5%

$200k+ 8.8%

Range	% of households
Under $10k	5.8%
$35k–$50k	7.0%
$50k–$75k	21.1%
$75k–$100k	24.6%
$100k–$150k	29.2%
$150k–$200k	3.5%
$200k+	8.8%
Median income	$90,446

Housing

Home values

Under $50k 3.2%

$50k–$100k 1.9%

$100k–$150k 1.3%

$150k–$200k 4.5%

$200k–$300k 21.0%

$300k–$500k 35.7%

$500k–$1M 18.5%

$1M+ 14.0%

Housing overview

Metric	Value
Median home value	$395,000
Median rent / month	$0
Owner occupied	91.8%
Renter occupied	8.2%
Vacant	24.3%
Single-family detached	95.1%
Large apartment buildings	0.0%
Mobile homes	2.2%
Median rooms	6.1
Avg household size (owned)	2.43

Year built

Era	%
2020 or later	0.0%
2010–2019	4.4%
2000–2009	21.2%
1990–1999	12.4%
1980–1989	4.4%
1970–1979	17.3%
1960–1969	1.3%
1950–1959	4.9%
1940–1949	0.0%
1939 or earlier	34.1%

Bedrooms

Size	% of units
No bedroom (studio)	1.3%
1 bedroom	9.7%
2 bedrooms	19.9%
3 bedrooms	53.1%
4 bedrooms	7.1%
5+ bedrooms	8.8%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	19.3%
2 vehicles	59.6%
3 or more	21.1%

Heating fuel

Fuel type	%
Electricity	1.8%
Propane / LP gas	19.3%
Fuel oil	71.9%
Wood	5.8%
Solar	1.2%

Households & families

Household type	Count	%
Married-couple family	90	52.6%
Cohabiting couple	19	11.1%
Male householder, no spouse	27	15.8%
Female householder, no spouse	35	20.5%
Households with children under 18	37	21.6%
Households with seniors (65+)	92	53.8%
Average household size	2.38

Marital status

Status	Male	Female
Never married	35.2%	44.5%
Married	50.0%	44.5%
Separated	0.0%	0.0%
Widowed	9.7%	3.1%
Divorced	5.1%	7.9%

Education

Less than 9th grade 0.0%

Some HS, no diploma 3.1%

HS graduate 14.2%

Some college, no degree 17.5%

Associate's degree 6.8%

Bachelor's degree 36.6%

Graduate / professional 21.8%

Metric	%
HS diploma or higher	96.9%
Bachelor's or higher	58.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	25	22.1%
High school	27	23.9%
College / grad school	61	54.0%

Employment

Industry of employment

Education & healthcare 34.5%

Professional & management 15.9%

Construction 14.5%

Manufacturing 7.3%

Agriculture & mining 6.4%

Public administration 5.5%

Finance & real estate 3.2%

Transportation & utilities 2.7%

Arts, food & hospitality 2.7%

Information 2.3%

Wholesale trade 1.8%

Retail trade 1.8%

Other services 1.4%

Occupation

Category	%
Management, business & arts	48.2%
Service	16.8%
Sales & office	7.7%
Natural resources & construction	18.6%
Production & transportation	8.6%

Employment type

Type	%
Private sector	63.2%
Government	11.8%
Self-employed	25.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	68.6%
Carpool	13.7%
Public transit	0.0%
Walk	7.4%
Work from home	10.3%
Other means	0.0%
Avg commute (minutes)	23.9

Poverty

All people 2.5%

Under 18 years 0.0%

18 and over 2.8%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	49.7%
Retirement income	36.8%
Supplemental Security	4.7%
Cash public assistance	1.8%
Food stamps / SNAP	2.9%

Health indicators

Condition	%
Obesity	24.1%
High blood pressure	35.2%
High cholesterol	34.7%
Diabetes	9.2%
Heart disease	7.3%
Stroke	3.0%
Asthma	9.2%
Arthritis	30.1%
Kidney disease	3.1%
Pulmonary disease	7.7%
Cancer	8.9%

Behavior / access	%
Smoking	14.5%
Binge drinking	14.2%
No physical activity	17.4%
Less than 7 hrs sleep	27.0%
Depression	22.3%
Fair or poor health	10.4%
Poor mental health	11.6%
Poor physical health	8.7%
No health insurance	10.1%
Visited doctor (checkup)	78.3%
Visited dentist	74.0%
Cholesterol screening	92.2%
Teeth loss	12.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	42	10.4%

Disability	%
Any disability	17.0%
Under 18	21.4%
18–64 years	11.5%
65 and over	25.2%

Health insurance coverage

Type	%
Private insurance	82.8%
Public insurance	36.1%
No insurance	6.1%
Uninsured under 19	12.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	452	98.3%
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)	435	94.6%
Born in same state	432	93.9%
Born in different state	240	52.2%
Foreign born	3	0.7%
Naturalized citizen	25	5.4%
Not a US citizen	18	72.0%

Ancestry

Ancestry	Count	%
French	130	28.3%
Italian	38	8.3%
Arab	8	1.7%

Ancestry	Count	%
English	5	1.1%
German	4	0.9%
Polish	2	0.4%

Technology access

Metric	% of households
Computer access	37.2%
Internet access	100.0%

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

Frequently asked questions about ZIP code 04573

What city is ZIP code 04573 in?

ZIP code 04573 is primarily assigned to Walpole, Maine.

What county is ZIP code 04573 in?

ZIP code 04573 falls within Lincoln County, Maine.

Does ZIP code 04573 have an older population?

31% of residents in ZIP code 04573 are 65 or older, above the national average of ~17%.

Is ZIP code 04573 mostly owner-occupied?

92% of occupied units in ZIP code 04573 are owner-occupied, well above the national average.

How educated is the population of ZIP code 04573?

59% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Does ZIP code 04573 have a large retiree population?

50% of households in ZIP code 04573 receive Social Security income, suggesting a significant retiree or disability population.

What timezone is ZIP code 04573 in?

ZIP code 04573 observes the EST timezone.