04564 ZIP Code — Round Pond, ME

Lincoln County, Maine

ZIP code 04564 is located in Round Pond, Maine, within Lincoln County. It covers approximately 7.52 square miles and serves a population of 436 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 207.

About ZIP code 04564

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 $448,900. Owner-occupancy is high at 91%, well above the national average.

The gap between median ($112,250) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 2% is below the national average. 39% 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 20 minutes is near the national average. Remote work is prevalent — 29% of workers work from home.

Educational attainment is high — 58% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 04564 reflects a community defined by a highly educated population, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

436

population

7.52

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

04564 ZIP code map

Cities in ZIP code 04564

Below are the cities the US Postal Service accepts for ZIP code 04564. Using any city not on this list may result in mail delivery delays.

City	Status
Round Pond	Preferred

Nearby ZIP codes

04539 Bristol (2.8 mi) 04541 Chamberlain (2.9 mi) 04558 Pemaquid (4 mi) 04573 Walpole (5.3 mi) 04554 New Harbor (5.3 mi) 04551 Bremen (6.2 mi) 04568 South Bristol (6.9 mi) 04543 Damariscotta (7.7 mi) 04556 Edgecomb (8.1 mi) 04537 Boothbay (8.8 mi) 04544 East Boothbay (9.3 mi) 04547 Friendship (9.5 mi)

Demographics updated 06/2026

Population
Total population	436
Population density	58 / sq mi
State FIPS	23
County FIPS	015

Geography
Land area	7.52 sq mi
Water area	2.10 sq mi
Latitude	43.9271
Longitude	-69.4554
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	39.7%	42.6%	42.3%
$50k – $100k	38.0%	35.0%	32.3%
$100k – $200k	13.1%	18.1%	20.6%
Over $200k	9.3%	4.3%	4.9%

Demographics & statistics

436

Population

People per sq mi

58.2

Median age

$112,250

Median household income

$66,266

Per capita income

$448,900

Median home value

Median monthly rent

90.7%

Home ownership

2.3%

Poverty rate

0.0%

Unemployment

454

Housing units

57.7%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

25–34

35–44

45–54

55–59

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	60	13.8%
18 and over	376	86.2%
65 and over	112	25.7%
Median age	58.2 years

Race & ethnicity

White 94.5%

Two or more races 5.5%

Group	Count	%
White	412	94.5%
Two or more races	24	5.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	39.7%	42.6%	42.3%
$50k – $100k	38.0%	35.0%	32.3%
$100k – $200k	13.1%	18.1%	20.6%
Over $200k	9.3%	4.3%	4.9%

Under $10k 4.2%

$15k–$25k 10.2%

$25k–$35k 14.4%

$35k–$50k 5.6%

$50k–$75k 3.3%

$75k–$100k 6.5%

$100k–$150k 26.5%

$150k–$200k 20.0%

$200k+ 9.3%

Range	% of households
Under $10k	4.2%
$15k–$25k	10.2%
$25k–$35k	14.4%
$35k–$50k	5.6%
$50k–$75k	3.3%
$75k–$100k	6.5%
$100k–$150k	26.5%
$150k–$200k	20.0%
$200k+	9.3%
Median income	$112,250

Housing

Home values

$100k–$150k 2.1%

$150k–$200k 29.7%

$200k–$300k 7.2%

$300k–$500k 22.6%

$500k–$1M 28.7%

$1M+ 9.7%

Housing overview

Metric	Value
Median home value	$448,900
Median rent / month	$0
Owner occupied	90.7%
Renter occupied	9.3%
Vacant	54.6%
Single-family detached	99.2%
Large apartment buildings	0.0%
Mobile homes	0.8%
Median rooms	6.0
Avg household size (owned)	2.08

Year built

Era	%
2020 or later	0.0%
2010–2019	10.3%
2000–2009	13.7%
1990–1999	5.1%
1980–1989	11.6%
1970–1979	4.0%
1960–1969	8.6%
1950–1959	1.7%
1940–1949	9.9%
1939 or earlier	35.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	12.9%
2 bedrooms	17.9%
3 bedrooms	52.7%
4 bedrooms	9.5%
5+ bedrooms	7.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	50.7%
2 vehicles	21.4%
3 or more	27.9%

Heating fuel

Fuel type	%
Electricity	4.2%
Propane / LP gas	47.9%
Fuel oil	28.8%
Wood	19.1%

Households & families

Household type	Count	%
Married-couple family	119	55.3%
Cohabiting couple	8	3.7%
Male householder, no spouse	21	9.8%
Female householder, no spouse	67	31.2%
Households with children under 18	27	12.6%
Households with seniors (65+)	100	46.5%
Average household size	2.01

Marital status

Status	Male	Female
Never married	17.0%	8.2%
Married	70.3%	57.7%
Separated	0.0%	0.0%
Widowed	12.7%	14.1%
Divorced	0.0%	20.0%

Education

Less than 9th grade 0.3%

Some HS, no diploma 0.0%

HS graduate 17.8%

Some college, no degree 18.9%

Associate's degree 5.3%

Bachelor's degree 39.9%

Graduate / professional 17.8%

Metric	%
HS diploma or higher	99.7%
Bachelor's or higher	57.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	23	59.0%
Kindergarten	0	0.0%
Elementary school	16	41.0%
High school	0	0.0%
College / grad school	0	0.0%

Employment

Industry of employment

Education & healthcare 31.5%

Professional & management 22.6%

Manufacturing 14.4%

Retail trade 10.5%

Public administration 5.8%

Construction 5.1%

Agriculture & mining 3.5%

Arts, food & hospitality 3.5%

Other services 3.1%

Occupation

Category	%
Management, business & arts	56.4%
Service	7.0%
Sales & office	18.7%
Natural resources & construction	8.6%
Production & transportation	9.3%

Employment type

Type	%
Private sector	66.1%
Government	26.5%
Self-employed	3.9%
Unpaid family workers	3.5%

Commute

Method	%
Drive alone	54.1%
Carpool	11.3%
Public transit	0.0%
Walk	1.9%
Work from home	29.2%
Other means	3.5%
Avg commute (minutes)	19.6

Poverty

All people 2.3%

Under 18 years 0.0%

18 and over 2.7%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	38.6%
Retirement income	50.7%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	24.9%
High blood pressure	40.7%
High cholesterol	37.6%
Diabetes	11.2%
Heart disease	9.6%
Stroke	4.1%
Asthma	9.2%
Arthritis	35.4%
Kidney disease	4.0%
Pulmonary disease	9.8%
Cancer	10.4%

Behavior / access	%
Smoking	15.5%
Binge drinking	12.2%
No physical activity	20.6%
Less than 7 hrs sleep	27.2%
Depression	21.6%
Fair or poor health	13.0%
Poor mental health	11.3%
Poor physical health	10.5%
No health insurance	10.6%
Visited doctor (checkup)	80.3%
Visited dentist	71.2%
Cholesterol screening	93.5%
Teeth loss	15.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	5	1.3%

Disability	%
Any disability	4.1%
Under 18	0.0%
18–64 years	1.1%
65 and over	13.4%

Health insurance coverage

Type	%
Private insurance	83.0%
Public insurance	27.5%
No insurance	8.9%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	401	92.0%
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)	428	98.2%
Born in same state	417	95.6%
Born in different state	190	43.6%
Foreign born	11	2.5%
Naturalized citizen	8	1.8%
Not a US citizen	8	100.0%

Ancestry

Ancestry	Count	%
French	104	23.9%
Italian	76	17.4%
Arab	14	3.2%

Ancestry	Count	%
German	11	2.5%
Irish	3	0.7%

Technology access

Metric	% of households
Computer access	49.3%
Internet access	94.9%

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

Frequently asked questions about ZIP code 04564

What city is ZIP code 04564 in?

ZIP code 04564 is primarily assigned to Round Pond, Maine.

What county is ZIP code 04564 in?

ZIP code 04564 falls within Lincoln County, Maine.

Is ZIP code 04564 mostly owner-occupied?

91% of occupied units in ZIP code 04564 are owner-occupied, well above the national average.

Does ZIP code 04564 have an older population?

26% of residents in ZIP code 04564 are 65 or older, above the national average of ~17%.

How educated is the population of ZIP code 04564?

58% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Does ZIP code 04564 have a large retiree population?

39% of households in ZIP code 04564 receive Social Security income, suggesting a significant retiree or disability population.

What timezone is ZIP code 04564 in?

ZIP code 04564 observes the EST timezone.