Topsham, ME

Town in ME, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

9,706

Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

44.7

years ∙ half population younger than 44.7, half older

Diversity Index

14.5%

chance two random people differ in race and ethnicity

Nativity

3.2%

foreign-born population

96.8%Native

3.2% Foreign-born

Geographic Context

Location, size, and surroundings

About

Topsham is a town in Sagadahoc County, Maine, United States.

Location

Town in ME, US

Co-ordinates

DEC43.964977° N, 69.955624° W

DMS43° 57′ 53.92″ N, 69° 57′ 20.25″ W

Population Density & area

301.4/sq mi (116.5/km²)

Total Area

35.6 sq mi (92.1 km²)

Land Area

32.2 sq mi (83.3 km²) · 90.4%

Water Area

3.4 sq mi (8.8 km²) · 9.6%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

47.4% male

Male 47.4%

Female 52.6%

males per 100 females

Topsham 90.1

Maine 97.2

United States 98

Nativity

3.2%

foreign-born population

96.8%Native

3.2% Foreign-born

% Foreign-born

Topsham 3.2%

Maine 4.1%

United States 14.1%

Age Distribution

How the population is spread across age groups

Median Age

44.7

years ∙ half population younger than 44.7, half older

Topsham

44.7

Maine

44.8

United States

38.9

Dependency ratio

79.5

dependents per 100 working-age adults

Topsham 79.5

Maine 67.8

United States 64.4

AGE DISTRIBUTION

Distribution of age group

Median age

	Topsham	Maine	United States
Age Group
Children (Under 18)	19.9%	18.1%	22%
Working age (18-64)	55.7%	59.5%	60.8%
Senior (65+)	24.4%	22.4%	17.2%
Dependency ratio
Total dependency ratio	79.5	67.8	64.4
Child dependency ratio	35.7	30.3	36.1
Old-age dependency ratio	43.8	37.5	28.3

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

92.4%

Black

0.9%

Asian

0.5%

Hispanic

3.1%

Other

3.1%

Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

14.5%

chance two random people differ in race and ethnicity

Topsham 14.5%

Maine 18.9%

United States 61.4%

Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity

Percentage of Topsham population

	Topsham	Maine	United States
Hispanic or Latino	3.1%	2.2%	19.3%
Mexican	1.5%	0.7%	11.3%
Puerto Rican	1.1%	0.5%	1.8%
Cuban	0%	0.1%	0.8%
Other Hispanic / Latino	0.5%	0.9%	5.5%
Not Hispanic or Latino	96.9%	97.8%	80.7%
One race	94.5%	93.6%	76.4%
White	92.4%	89.9%	57.4%
Black or African American	0.9%	1.8%	11.9%
American Indian and Alaska Native	0%	0.3%	0.5%
Asian	0.5%	1.1%	5.9%
Native Hawaiian and Other Pacific Islander	0%	0%	0.2%
Some Other Race	0.7%	0.4%	0.6%
Two or more races (Multiracial)	2.4%	4.2%	4.3%

Household & Families Composition

Household size, type, and family structure

Household structure

61.9% family

Family 61.9%

Non family 38.1%

% family households

Topsham 61.9%

Maine 60.7%

United States 64.2%

Average household size

2.38

persons per household

Topsham

2.38

Maine

2.26

United States

2.53

Household & Family COMPOSITION

Households

Percentage of Topsham population

	Topsham	Maine	United States
Total households	4,011	597,159	129,227,496
Average houshold size	2.38	2.26	2.53
Family households	2,483	362,538	82,990,528
Average family size	2.96	2.81	3.14
Married couple family	2,016	286,766	60,637,388
Other families	467	75,772	22,353,140
Male householder	213	24,355	6,572,819
Female householder	254	51,417	15,780,321
Non-family households	1,528	234,621	46,236,968
One-person households	1,111	183,618	37,140,836
Male householder	390	79,882	16,871,444
Senior (65+) living alone	118	29,811	5,225,110
Female householder	721	103,736	20,269,392
Senior (65+) living alone	389	56,986	10,089,070
Other living arrangements	417	51,003	9,096,132

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

4,313

housing units

Topsham 4,313

Maine 751,876

United States 143,775,355

Occupancy status

93% occupied

Occupied 93%

Vacant 7%

vacancy rate

Topsham 7%

Maine 20.6%

United States 10.1%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

77.2%

Single family houses

77.2%

Apartments in multi-unit structures

16.1%

Mobile homes

6.8%

Boat, RV, van, etc

Median Year Built

1981

Half of houses were built before 1981, and half after.

Historic ∙ 1939 or earlier

12.4%

Postwar & mid-century ∙ 1940 - 1969

24.6%

Late 20th century ∙ 1970 - 1999

38.7%

Modern ∙ 2000 or later

24.2%

Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Topsham	Maine	United States
Rooms per unit
Median rooms	5.9	5.5	5.5
1–3 rooms	7.1%	14.4%	15.1%
4–6 rooms	56%	53.6%	51.6%
7+ rooms	36.9%	32%	33.4%
Bedrooms
No bedroom / studio	0%	2.5%	2.9%
1 bedroom	7%	11.7%	10.9%
2 bedrooms	31.1%	29.1%	25%
3 bedrooms	44.4%	38.9%	38.7%
4+ bedrooms	17.4%	17.9%	22.4%
At a glance
Median year built	1981	1977	1981
Total housing units	4,313	751,876	143,775,355

Occupancy Profile

Who is inside and how they use it

Homeownership

78.9% owners

Renter-occupied 21.1%

Owner-occupied 78.9%

homeownership rate

Topsham 78.9%

Maine 74.3%

United States 65.2%

Average household size

2.37

Owner-occupied

2.41

Renter-occupied

owner-occupied average size

Topsham 2.37

Maine 2.37

United States 2.64

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Topsham	Maine	United States
Total occupied units	4,011	597,159	129,227,496
Year moved in
2020 or later	22.6%	20.4%	24.8%
2010 to 2019	37.3%	38.5%	39.6%
2000 to 2009	20.2%	17.9%	16.4%
1999 or earlier	19.9%	23.2%	19.1%
Occupants per room
1.00 or fewer	100%	98.6%	96.6%
1.01 to 1.50	0%	0.8%	2.2%
1.51 or more	0%	0.6%	1.2%
Vehicles availability
No vehicles	4.8%	6.8%	8.4%
1 vehicle	33.6%	33.6%	33.1%
2 vehicles	42.3%	39.9%	36.6%
3 or more vehicles	19.4%	19.8%	21.9%
House heating fuel used
Gas	33.6%	22.1%	51.4%
Electricity	9.9%	11.2%	41.3%
Solar	0.1%	0.4%	0.3%
Fuel oil, kerosene etc	47.6%	55.3%	3.9%
All other fuels	8.6%	10.6%	2%
No fuel used	0%	0.4%	1.2%
Selected characteristics
Lacking complete plumbing	0.1%	0.5%	0.4%
Lacking complete kitchen	1.7%	0.9%	0.8%
No telephone service available	0%	0.7%	0.9%

Housing Value

What owner-occupied units are worth

Median home value

$360,800

owner-occupied units

Median value(USD)

Topsham

$360,800

Maine

$296,600

United States

$332,700

Housing Cost Burden

26.7%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

26.7%

Owners without a mortgage

27.5%

Renters

40.3%

Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs

Tenure, crowding, and utilities

	Topsham	Maine	United States
Property value
Median Value	$360,800	$296,600	$332,700
Under $100,000	3.3%	12.3%	11.4%
$100,000 - $200,000	7.6%	17.7%	15.8%
$200,000 - $300,000	23.3%	20.6%	17.8%
$300,000 - $500,000	49.4%	29.5%	26.9%
$500,000 - $1,000,000	13.8%	16.5%	20.9%
$1,000,000 and more	2.5%	3.3%	7.1%
Owner-occupied households
With a mortgage	64.3%	57.7%	60.6%
Without a mortgage	35.7%	42.3%	39.4%
Median monthly owner costs
With a mortgage	$1,833	$1,729	$1,963
Without a mortgage	$842	$638	$638
Gross rent
Median rent	$1,355	$1,139	$1,413

Education Profile

How educated is the community and how education pays off

Adults with a college degree

50%

of adults 25+ with a bachelor's degree or higher

Topsham 50%

Maine 36.2%

United States 35.7%

Adults without a high school diploma

3.1%

of adults (25+) without a high school diploma

Topsham 3.1%

Maine 5.2%

United States 10.4%

School Enrollment

Who is enrolled in school and at what level

School enrollment

2,149

population (age 3+) enrolled in school

Nursery / Preschool

11.1%

K–12

66.9%

College / Undergraduate

14.3%

Graduate / Professional

7.7%

College-going rate (18-24 yr olds)

47.2%

of 18-24-year-olds in college or graduate school

Topsham

47.2%

Maine

43.5%

United States

40.9%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split

Population 3+ currently enrolled in a school

	Topsham	Maine	United States
Total enrolled (age 3+)	2,149	281,216	80,089,790
Nursery / preschool	11.1%	5%	5.7%
K–12	66.9%	66.2%	67.6%
Kindergarten	5.5%	5.1%	5%
Elementary: Grades 1–4	13.4%	19.6%	19.8%
Elementary: Grades 5–8	24.5%	19.8%	21%
High School: Grades 9–12	23.5%	21.8%	21.7%
College or graduate school	22%	28.7%	26.7%
College, undergraduate	14.3%	23.1%	21%
Graduate, professional school	7.7%	5.7%	5.8%
College-going rate · 18-24 yr olds	47.2%	43.5%	40.9%
School type
Public school	81.7%	79.4%	82%
Private school	18.3%	20.6%	18%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

7,287

population 25 years and over

Total adults (25+)

Less than 9th grade

1.4%

9th-12th, no diploma

1.7%

HS graduate

24%

Some college no degree

13.1%

Associates degree

9.8%

Bachelors degree

27.8%

Graduate or professional degree

22.2%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

55.9% · 44.1%

9th-12th, no diploma

54% · 46%

HS graduate

47.5% · 52.5%

Some college no degree

60.8% · 39.2%

Associates degree

53.6% · 46.4%

Bachelors degree

43% · 57%

Graduate or professional degree

38.8% · 61.2%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)

Highest credential completed · adults 25+

	Topsham	Maine	United States
Population (25+)	7,287	1,026,250	230,807,303
Less than 9th grade	1.4%	1.7%	4.7%
9th–12th, no diploma	1.7%	3.5%	5.7%
High school diploma or GED	24%	30.1%	26%
Some college, no degree	13.1%	18.1%	19.1%
Associate's degree	9.8%	10.4%	8.8%
Bachelor's degree or higher	50%	36.2%	35.7%
Bachelor's degree	27.8%	22.5%	21.6%
Graduate or professional	22.2%	13.7%	14.1%
High School or higher	96.9%	94.8%	89.6%

Earnings by education level

percentage as applicable

Median Earnings

$54,200

Median earnings for adults 25+, by level

Less than HS graduate

$31,458

HS graduate

$30,436

Some college or associates

$54,894

Bachelors degree

$58,529

Graduate or professional degree

$73,269

Poverty Rate

4.1%

for ages 25+, with bachelors degree or higher

Less than HS graduate

14.6%

HS graduate

6.8%

Some college or associates

8.1%

Bachelors degree or higher

4.1%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Topsham	Maine	United States
Median earnings
Population 25+, with earnings	$54,200	$50,103	$52,696
Less than high school graduate	$31,458	$35,887	$32,485
High school graduate (includes equivalency)	$30,436	$40,775	$40,153
Some college or associate's degree	$54,894	$46,697	$47,260
Bachelor's degree	$58,529	$59,190	$70,044
Graduate or professional degree	$73,269	$75,851	$90,720
Poverty rates
Less than high school graduate	14.6%	27.2%	24.2%
High school graduate (includes equivalency)	6.8%	13.9%	14.4%
Some college or associate's degree	8.1%	8.8%	9.8%
Bachelor's degree or higher	4.1%	4.5%	4.5%

Insights for Topsham, by topic

Income By year By race By age By gender

Population By year By race By age By gender

About Neilsberg Research

Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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