What kinds of homes are in Merrimac, MA?

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

Merrimac, MA has 2,899 (±271) homes (2020–2024 American Community Survey).

That is about 341 homes per square mile of land.

61.7% are detached single-family houses.

11.4% are in buildings of two to four units.

9.3% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 2,899 (±271)
Detached houses: 61.7%
2–4 unit buildings: 11.4%
5+ unit buildings: 9.3%

Homes in Merrimac by building size

Housing units by units in structure, 2020–2024
Building type	Merrimac	Essex County	Massachusetts	United States
Single-family, detached	61.7% (±7.5 points)	49.6%	51.1%	61.3%
Single-family, attached (townhouse, rowhouse)	10.6% (±4.3 points)	6.9%	5.9%	6.2%
2 units	2.1% (±1.7 points)	10.2%	9.3%	3.4%
3 or 4 units	9.3% (±7.0 points)	11.6%	10.7%	4.3%
5 to 9 units	2.9% (±3.0 points)	5.4%	5.7%	4.5%
10 to 19 units	0.5% (±0.8 points)	4.1%	4.2%	4.3%
20 or more units	5.9% (±4.4 points)	11.7%	12.3%	10.3%
Mobile home	6.9% (±3.0 points)	0.4%	0.8%	5.6%
Boat, RV, van, etc.	0.0% (±1.5 points)	0.0%	0.0%	0.1%

In Merrimac, the share of homes in buildings of five or more units is lower than in Essex County (21.2%).

It is also lower than in Massachusetts (22.2%).

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

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

Nearest places with a published estimate, compared with Merrimac
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Merrimac	—	9.3% (±5.4 points)	—
Newton	2.8 mi	2.4% (±2.7 points)	Lower
Amesbury	3.0 mi	26.6% (±4.6 points)	Higher
West Newbury	3.6 mi	1.0% (±2.5 points)	Lower
Plaistow	4.1 mi	14.7% (±5.3 points)	Not measurably different
South Hampton	4.4 mi	0.0% (±17.0 points)	Not measurably different
Haverhill	5.4 mi	23.3% (±2.2 points)	Higher
Groveland	5.9 mi	5.3% (±4.3 points)	Not measurably different
East Kingston	6.0 mi	0.0% (±6.9 points)	Lower

Nearby places with a measurably lower figure: Newton, NH (2.4%), West Newbury, MA (1.0%), East Kingston, NH (0.0%).

Nearby places with a measurably higher figure: Amesbury, MA (26.6%), Haverhill, MA (23.3%).

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 Essex County, place by place

Rank	Place	Homes in buildings of 5 or more units
16	Ipswich	13.1% (±3.2 points)
17	Gloucester	11.5% (±1.9 points)
18	Rowley	10.9% (±5.2 points)
19	Nahant	10.7% (±5.1 points)
20	Lynnfield	9.9% (±3.5 points)
21	Wenham	9.8% (±5.2 points)
22 (tie)	Merrimac	9.3% (±5.4 points)
22 (tie)	Rockport	9.3% (±2.9 points)
24	Manchester-by-the-Sea	9.2% (±6.2 points)
25	Middleton	8.7% (±2.6 points)
26	Georgetown	8.6% (±4.7 points)
27	Hamilton	7.4% (±3.4 points)
28	Marblehead	6.4% (±2.7 points)

Showing 13 of 34 places in Essex 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 Merrimac

How many homes are in Merrimac?

Merrimac, MA has an estimated 2,899 (±271) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Merrimac houses or apartments?

61.7% are detached houses and 10.6% attached houses, while 20.7% are in buildings of two or more units.

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

11.4% of homes in Merrimac 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 — Merrimac town, Essex County, Massachusetts

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 Merrimac town, Essex County, Massachusetts (county subdivision:40430, in state:25 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.