04861 ZIP Code — Thomaston, ME

Knox County, Maine

ZIP code 04861 is located in Thomaston, Maine, within Knox County. It covers approximately 10.94 square miles and serves a population of 2,753 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 207.

About ZIP code 04861

The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $254,500. Owner-occupancy sits near the national average at 68%.

Median household income is $58,426. 53% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is natural resources, construction, and trades, with construction as the leading industry. The average commute of 16 minutes is near the national average.

Educational attainment is near the national average, with 24% of residents holding a bachelor's degree or higher.

2,753

population

10.94

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

04861 ZIP code map

Cities in ZIP code 04861

Below are the cities the US Postal Service accepts for ZIP code 04861. Using any city not on this list may result in mail delivery delays.

City	Status
Thomaston	Preferred

Nearby ZIP codes

04841 Rockland (2.9 mi) 04864 Warren (3.9 mi) 04858 South Thomaston (4.3 mi) 04854 Owls Head (5.5 mi) 04856 Rockport (6 mi) 04859 Spruce Head (6.1 mi) 04859 Spruce Head (6.1 mi) 04563 Cushing (7.1 mi) 04547 Friendship (8.8 mi) 04860 Tenants Harbor (9.3 mi) 04572 Waldoboro (9.4 mi) 04843 Camden (9.9 mi)

Demographics updated 05/2026

Population
Total population	2,753
Population density	252 / sq mi
State FIPS	23
County FIPS	013

Geography
Land area	10.94 sq mi
Water area	0.54 sq mi
Latitude	44.0950
Longitude	-69.1746
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	48.0%	42.0%	42.3%
$50k – $100k	41.4%	34.5%	32.3%
$100k – $200k	10.7%	19.0%	20.6%
Over $200k	0.0%	4.6%	4.9%

Demographics & statistics

2,753

Population

252

People per sq mi

53.6

Median age

$58,426

Median household income

$29,658

Per capita income

$254,500

Median home value

$905

Median monthly rent

68.3%

Home ownership

7.9%

Poverty rate

1.7%

Unemployment

955

Housing units

23.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

200

35–44

182

102

45–54

55–59

201

60–64

184

309

65–74

283

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	489	17.8%
18 and over	2,264	82.2%
65 and over	814	29.6%
Median age	53.6 years

Race & ethnicity

White 81.1%

Hispanic or Latino 8%

Other race 7.4%

American Indian / Alaska Native 1.5%

Black or African American 1.2%

Two or more races 0.7%

Group	Count	%
White	2,429	81.1%
Hispanic or Latino	241	8%
Other race	222	7.4%
American Indian / Alaska Native	46	1.5%
Black or African American	36	1.2%
Two or more races	20	0.7%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	48.0%	42.0%	42.3%
$50k – $100k	41.4%	34.5%	32.3%
$100k – $200k	10.7%	19.0%	20.6%
Over $200k	0.0%	4.6%	4.9%

Under $10k 1.4%

$10k–$15k 6.4%

$15k–$25k 11.0%

$25k–$35k 5.2%

$35k–$50k 16.9%

$50k–$75k 24.4%

$75k–$100k 17.2%

$100k–$150k 15.0%

$150k–$200k 2.4%

Range	% of households
Under $10k	1.4%
$10k–$15k	6.4%
$15k–$25k	11.0%
$25k–$35k	5.2%
$35k–$50k	16.9%
$50k–$75k	24.4%
$75k–$100k	17.2%
$100k–$150k	15.0%
$150k–$200k	2.4%
Median income	$58,426

Housing

Home values

Under $50k 4.2%

$50k–$100k 1.0%

$100k–$150k 6.4%

$150k–$200k 19.7%

$200k–$300k 54.7%

$300k–$500k 13.9%

Housing overview

Metric	Value
Median home value	$254,500
Median rent / month	$905
Owner occupied	68.3%
Renter occupied	31.7%
Vacant	6.1%
Single-family detached	68.0%
Large apartment buildings	0.0%
Mobile homes	0.8%
Median rooms	5.6
Avg household size (owned)	2.26

Year built

Era	%
2020 or later	0.0%
2010–2019	0.7%
2000–2009	10.1%
1990–1999	8.2%
1980–1989	9.8%
1970–1979	6.8%
1960–1969	8.0%
1950–1959	4.6%
1940–1949	0.0%
1939 or earlier	51.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	11.5%
2 bedrooms	31.3%
3 bedrooms	41.1%
4 bedrooms	14.2%
5+ bedrooms	2.0%

Vehicles per household

Vehicles	% of households
No vehicle	2.9%
1 vehicle	46.2%
2 vehicles	37.2%
3 or more	13.7%

Heating fuel

Fuel type	%
Electricity	11.8%
Propane / LP gas	10.7%
Fuel oil	69.7%
Wood	7.1%
Solar	0.7%

Households & families

Household type	Count	%
Married-couple family	535	41.9%
Cohabiting couple	60	4.7%
Male householder, no spouse	202	15.8%
Female householder, no spouse	479	37.5%
Households with children under 18	224	17.6%
Households with seniors (65+)	616	48.3%
Average household size	2.14

Marital status

Status	Male	Female
Never married	45.1%	16.7%
Married	40.8%	46.6%
Separated	0.0%	3.7%
Widowed	0.6%	4.3%
Divorced	13.5%	28.7%

Education

Less than 9th grade 2.6%

Some HS, no diploma 4.5%

HS graduate 41.2%

Some college, no degree 23.9%

Associate's degree 4.3%

Bachelor's degree 11.8%

Graduate / professional 11.7%

Metric	%
HS diploma or higher	92.9%
Bachelor's or higher	23.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	59	11.9%
Kindergarten	21	4.2%
Elementary school	222	44.8%
High school	110	22.2%
College / grad school	83	16.8%

Employment

Industry of employment

Construction 22.8%

Retail trade 19.1%

Education & healthcare 15.8%

Professional & management 8.3%

Transportation & utilities 6.6%

Arts, food & hospitality 5.4%

Finance & real estate 5.0%

Other services 4.8%

Agriculture & mining 4.2%

Manufacturing 3.5%

Public administration 2.3%

Wholesale trade 1.6%

Information 0.6%

Occupation

Category	%
Management, business & arts	17.9%
Service	13.4%
Sales & office	19.5%
Natural resources & construction	25.4%
Production & transportation	23.9%

Employment type

Type	%
Private sector	77.5%
Government	3.9%
Self-employed	18.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	78.0%
Carpool	18.3%
Public transit	0.0%
Walk	0.1%
Work from home	1.2%
Other means	2.3%
Avg commute (minutes)	15.6

Poverty

All people 7.9%

Under 18 years 0.6%

18 and over 9.5%

Married-couple families 0.2%

Female-led households 16.0%

Income support

Source	% of households
Social Security	53.2%
Retirement income	30.1%
Supplemental Security	7.0%
Cash public assistance	4.5%
Food stamps / SNAP	14.6%

Health indicators

Condition	%
Obesity	31.6%
High blood pressure	34.4%
High cholesterol	36.2%
Diabetes	10.2%
Heart disease	7.5%
Stroke	3.4%
Asthma	10.8%
Arthritis	29.3%
Kidney disease	3.2%
Pulmonary disease	9.1%
Cancer	7.8%

Behavior / access	%
Smoking	18.2%
Binge drinking	15.1%
No physical activity	22.0%
Less than 7 hrs sleep	32.0%
Depression	23.2%
Fair or poor health	14.0%
Poor mental health	14.6%
Poor physical health	10.6%
No health insurance	13.8%
Visited doctor (checkup)	77.7%
Visited dentist	66.7%
Cholesterol screening	89.2%
Teeth loss	17.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	129	5.7%

Disability	%
Any disability	20.2%
Under 18	3.3%
18–64 years	16.9%
65 and over	36.1%

Health insurance coverage

Type	%
Private insurance	65.9%
Public insurance	47.6%
No insurance	8.1%
Uninsured under 19	16.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,663	96.7%
Spanish	187	7.0%
Other Indo-European	187	7.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,552	92.7%
Born in same state	2,552	92.7%
Born in different state	1,521	55.2%
Foreign born	0	0.0%
Naturalized citizen	201	7.3%
Not a US citizen	9	4.5%

Ancestry

Ancestry	Count	%
Italian	414	15%
French	408	14.8%
Arab	148	5.4%
German	122	4.4%

Ancestry	Count	%
Polish	70	2.5%
Dutch	9	0.3%
English	7	0.3%

Technology access

Metric	% of households
Computer access	46.3%
Internet access	91.4%

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

Frequently asked questions about ZIP code 04861

What city is ZIP code 04861 in?

ZIP code 04861 is primarily assigned to Thomaston, Maine.

What county is ZIP code 04861 in?

ZIP code 04861 falls within Knox County, Maine.

Does ZIP code 04861 have an older population?

30% of residents in ZIP code 04861 are 65 or older, above the national average of ~17%.

Does ZIP code 04861 have a large retiree population?

53% of households in ZIP code 04861 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 04861?

ZIP code 04861 has an estimated population of 2,753 residents, with a density of 252 people per square mile.

What is the median household income in ZIP code 04861?

The median household income in ZIP code 04861 is $58,426, below the national median of ~$75,000.

What timezone is ZIP code 04861 in?

ZIP code 04861 observes the EST timezone.