What kinds of homes are in Topsham, ME?

Name: Types of homes in Topsham, ME, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Topsham, ME has 4,313 (±233) homes (2020–2024 American Community Survey).

That is about 134 homes per square mile of land.

74.0% are detached single-family houses.

10.2% are in buildings of two to four units.

5.9% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 4,313 (±233)
Detached houses: 74.0%
2–4 unit buildings: 10.2%
5+ unit buildings: 5.9%

Homes in Topsham by building size

Housing units by units in structure, 2020–2024
Building type	Topsham	Sagadahoc County	Maine	United States
Single-family, detached	74.0% (±4.1 points)	75.4%	70.0%	61.3%
Single-family, attached (townhouse, rowhouse)	3.2% (±1.7 points)	2.1%	2.6%	6.2%
2 units	6.5% (±3.1 points)	4.7%	4.7%	3.4%
3 or 4 units	3.7% (±2.4 points)	2.8%	5.5%	4.3%
5 to 9 units	1.0% (±1.2 points)	3.5%	3.7%	4.5%
10 to 19 units	0.7% (±0.5 points)	1.4%	1.8%	4.3%
20 or more units	4.2% (±2.1 points)	2.5%	3.6%	10.3%
Mobile home	6.8% (±2.9 points)	7.7%	8.2%	5.6%
Boat, RV, van, etc.	0.0% (±0.6 points)	0.0%	0.1%	0.1%

In Topsham, the share of homes in buildings of five or more units is not measurably different from Sagadahoc County (7.4%).

It is also lower than in Maine (9.1%).

It is lower than the national figure (19.1%).

Homes in buildings of 5 or more units in places near Topsham

Nearest places with a published estimate, compared with Topsham
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Topsham	—	5.9% (±2.5 points)	—
Brunswick	4.8 mi	14.1% (±2.6 points)	Higher
Brunswick (community)	5.4 mi	16.6% (±3.1 points)	Higher
Bath	5.8 mi	20.7% (±5.6 points)	Higher
Lisbon Falls	5.9 mi	2.4% (±2.3 points)	Lower
Bowdoinham	7.1 mi	5.1% (±6.8 points)	Not measurably different
Lisbon	7.2 mi	7.6% (±3.5 points)	Not measurably different
Bowdoin	7.5 mi	0.0% (±3.3 points)	Lower
West Bath	8.0 mi	5.4% (±4.5 points)	Not measurably different

Nearby places with a measurably lower figure: Lisbon Falls, ME (2.4%), Bowdoin, ME (0.0%).

Nearby places with a measurably higher figure: Brunswick, ME (14.1%), Brunswick (community), ME (16.6%), Bath, ME (20.7%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Homes in buildings of 5 or more units across Sagadahoc County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Bath	20.7% (±5.6 points)
2	Topsham	5.9% (±2.5 points)
3	West Bath	5.4% (±4.5 points)
4	Bowdoinham	5.1% (±6.8 points)
5	Richmond	1.7% (±2.9 points)
6	Georgetown	0.4% (±3.9 points)
7 (tie)	Arrowsic	0.0% (±14.9 points)
7 (tie)	Bowdoin	0.0% (±3.3 points)

Showing 8 of 10 places in Sagadahoc County, ranked from highest to lowest.

The figures for Topsham include the places inside it that have pages of their own: Topsham (community).

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

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Questions about Topsham

How many homes are in Topsham?

Topsham, ME has an estimated 4,313 (±233) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Topsham houses or apartments?

74.0% are detached houses and 3.2% attached houses, while 16.1% are in buildings of two or more units.

How many two-family and small multifamily homes are in Topsham?

10.2% of homes in Topsham are in buildings of two to four units, the small rental buildings that are often owner-occupied.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Topsham town, Sagadahoc County, Maine

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Topsham town, Sagadahoc County, Maine (county subdivision:76960, in state:23 county:023).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The API needs a free key.

Request a Census API key.

DP04_0001E, DP04_0001M, DP04_0007PE, DP04_0007PM, DP04_0008PE, DP04_0008PM, DP04_0009PE, DP04_0009PM, DP04_0010PE, DP04_0010PM, DP04_0011PE, DP04_0011PM, DP04_0012PE, DP04_0012PM, DP04_0013PE, DP04_0013PM, DP04_0014PE, DP04_0014PM, DP04_0015PE, DP04_0015PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.