What kinds of homes are in Castine, ME?

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

Castine, ME has 720 (±91) homes (2020–2024 American Community Survey).

That is about 93 homes per square mile of land.

86.9% are detached single-family houses.

3.5% are in buildings of two to four units.

1.5% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 720 (±91)
Detached houses: 86.9%
2–4 unit buildings: 3.5%
5+ unit buildings: 1.5%

Homes in Castine by building size

Housing units by units in structure, 2020–2024
Building type	Castine	Hancock County	Maine	United States
Single-family, detached	86.9% (±5.7 points)	80.9%	70.0%	61.3%
Single-family, attached (townhouse, rowhouse)	1.1% (±1.4 points)	1.0%	2.6%	6.2%
2 units	2.4% (±2.6 points)	2.4%	4.7%	3.4%
3 or 4 units	1.1% (±1.7 points)	3.0%	5.5%	4.3%
5 to 9 units	1.5% (±1.9 points)	3.1%	3.7%	4.5%
10 to 19 units	0.0% (±3.7 points)	0.5%	1.8%	4.3%
20 or more units	0.0% (±3.7 points)	1.6%	3.6%	10.3%
Mobile home	6.9% (±5.5 points)	7.4%	8.2%	5.6%
Boat, RV, van, etc.	0.0% (±3.7 points)	0.0%	0.1%	0.1%

In Castine, the share of homes in buildings of five or more units is not measurably different from Hancock County (5.2%).

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 Castine

Nearest places with a published estimate, compared with Castine
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Castine	—	1.5% (±5.6 points)	—
Brooksville	4.9 mi	0.0% (±5.0 points)	Not measurably different
Searsport (community)	6.7 mi	6.8% (±6.4 points)	Not measurably different
Searsport	7.0 mi	4.1% (±2.7 points)	Not measurably different
Stockton Springs	7.3 mi	1.2% (±4.2 points)	Not measurably different
Penobscot	7.4 mi	3.5% (±4.8 points)	Not measurably different
Verona Island	8.9 mi	0.0% (±15.2 points)	Not measurably different
Northport	9.3 mi	1.3% (±3.6 points)	Not measurably different
Sedgwick	9.9 mi	1.0% (±4.7 points)	Not measurably different

None of the nearby places differs measurably from this one on this figure.

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 Hancock County, place by place

Rank	Place	Homes in buildings of 5 or more units
7	Mount Desert	4.1% (±3.3 points)
8	Penobscot	3.5% (±4.8 points)
9	Trenton	3.4% (±4.1 points)
10	Stonington	2.2% (±5.2 points)
11	Franklin	1.8% (±3.1 points)
12	Tremont	1.6% (±3.4 points)
13	Castine	1.5% (±5.6 points)
14	Hancock	1.2% (±2.9 points)
15	Sedgwick	1.0% (±4.7 points)
16	Swans Island	0.8% (±7.7 points)
17	Dedham	0.3% (±3.3 points)
18	Deer Isle	0.2% (±2.0 points)
19 (tie)	Amherst	0.0% (±20.3 points)

Showing 13 of 37 places in Hancock County, ranked from highest to lowest.

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 Castine

How many homes are in Castine?

Castine, ME has an estimated 720 (±91) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Castine houses or apartments?

86.9% are detached houses and 1.1% attached houses, while 5.0% are in buildings of two or more units.

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

3.5% of homes in Castine 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 — Castine town, Hancock 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 Castine town, Hancock County, Maine (county subdivision:11265, in state:23 county:009).

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.