What kinds of homes are in Grantham, NH?

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

Grantham, NH has 2,336 (±224) homes (2020–2024 American Community Survey).

That is about 86 homes per square mile of land.

91.4% are detached single-family houses.

0.0% are in buildings of two to four units.

5.3% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 2,336 (±224)
Detached houses: 91.4%
2–4 unit buildings: 0.0%
5+ unit buildings: 5.3%

Homes in Grantham by building size

Housing units by units in structure, 2020–2024
Building type	Grantham	Sullivan County	New Hampshire	United States
Single-family, detached	91.4% (±6.6 points)	73.9%	63.3%	61.3%
Single-family, attached (townhouse, rowhouse)	3.4% (±5.0 points)	1.9%	5.5%	6.2%
2 units	0.0% (±1.5 points)	3.1%	5.2%	3.4%
3 or 4 units	0.0% (±1.5 points)	4.1%	5.3%	4.3%
5 to 9 units	3.9% (±4.0 points)	3.8%	4.6%	4.5%
10 to 19 units	1.4% (±2.3 points)	2.3%	3.1%	4.3%
20 or more units	0.0% (±1.5 points)	3.2%	7.7%	10.3%
Mobile home	0.0% (±1.5 points)	7.7%	5.2%	5.6%
Boat, RV, van, etc.	0.0% (±1.5 points)	0.0%	0.0%	0.1%

In Grantham, the share of homes in buildings of five or more units is not measurably different from Sullivan County (9.3%).

It is also lower than in New Hampshire (15.4%).

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

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

Nearest places with a published estimate, compared with Grantham
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Grantham	—	5.3% (±4.9 points)	—
Croydon	5.2 mi	0.0% (±13.3 points)	Not measurably different
Springfield	5.8 mi	0.0% (±9.4 points)	Not measurably different
Enfield	6.2 mi	4.7% (±3.3 points)	Not measurably different
Plainfield	7.6 mi	2.1% (±4.0 points)	Not measurably different
Cornish	8.7 mi	0.0% (±7.1 points)	Not measurably different
Enfield (community)	8.8 mi	11.5% (±8.4 points)	Not measurably different
Sunapee	9.2 mi	5.0% (±4.7 points)	Not measurably different
Lebanon	9.7 mi	37.6% (±5.2 points)	Higher

Nearby places with a measurably higher figure: Lebanon, NH (37.6%).

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 Sullivan County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Claremont	22.6% (±4.7 points)
2	Newport	12.7% (±5.7 points)
3	Grantham	5.3% (±4.9 points)
4 (tie)	Charlestown	5.0% (±4.2 points)
4 (tie)	Sunapee	5.0% (±4.7 points)
6	Plainfield	2.1% (±4.0 points)
7	Acworth	1.9% (±7.3 points)
8	Lempster	0.5% (±8.0 points)
9 (tie)	Cornish	0.0% (±7.1 points)

Showing 9 of 15 places in Sullivan 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 Grantham

How many homes are in Grantham?

Grantham, NH has an estimated 2,336 (±224) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Grantham houses or apartments?

91.4% are detached houses and 3.4% attached houses, while 5.3% are in buildings of two or more units.

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

0.0% of homes in Grantham 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 — Grantham town, Sullivan County, New Hampshire

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 Grantham town, Sullivan County, New Hampshire (county subdivision:31220, in state:33 county:019).

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.