What kinds of homes are in Arnold, MD?

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

Arnold, MD has 9,102 (±506) homes (2020–2024 American Community Survey).

That is about 841 homes per square mile of land.

69.9% are detached single-family houses.

0.4% are in buildings of two to four units.

5.8% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 9,102 (±506)
Detached houses: 69.9%
2–4 unit buildings: 0.4%
5+ unit buildings: 5.8%

Homes in Arnold by building size

Housing units by units in structure, 2020–2024
Building type	Arnold	Anne Arundel County	Maryland	United States
Single-family, detached	69.9% (±2.9 points)	59.5%	51.2%	61.3%
Single-family, attached (townhouse, rowhouse)	23.5% (±2.8 points)	21.4%	21.3%	6.2%
2 units	0.4% (±0.3 points)	0.9%	1.5%	3.4%
3 or 4 units	0.0% (±0.5 points)	0.8%	2.1%	4.3%
5 to 9 units	3.8% (±1.3 points)	3.0%	5.2%	4.5%
10 to 19 units	1.0% (±0.6 points)	7.1%	7.3%	4.3%
20 or more units	1.0% (±0.8 points)	5.9%	10.2%	10.3%
Mobile home	0.3% (±0.4 points)	1.2%	1.3%	5.6%
Boat, RV, van, etc.	0.2% (±0.3 points)	0.1%	0.0%	0.1%

In Arnold, the share of homes in buildings of five or more units is lower than in Anne Arundel County (16.0%).

It is also lower than in Maryland (22.7%).

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

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

Nearest places with a published estimate, compared with Arnold
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Arnold	—	5.8% (±1.6 points)	—
Cape St. Claire	3.2 mi	5.6% (±2.4 points)	Not measurably different
Lake Shore	3.5 mi	7.5% (±4.0 points)	Not measurably different
Herald Harbor	3.8 mi	1.2% (±6.2 points)	Not measurably different
Naval Academy	4.2 mi	64.8% (±32.7 points)	Higher
Severna Park	4.4 mi	4.2% (±1.5 points)	Not measurably different
Parole	4.6 mi	40.1% (±4.4 points)	Higher
Crownsville	4.8 mi	0.0% (±12.0 points)	Not measurably different
Annapolis	4.9 mi	29.8% (±2.8 points)	Higher

Nearby places with a measurably higher figure: Naval Academy, MD (64.8%), Parole, MD (40.1%), Annapolis, MD (29.8%).

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 Anne Arundel County, place by place

Rank	Place	Homes in buildings of 5 or more units
10	Severn	14.3% (±2.2 points)
11	Linthicum	13.7% (±3.7 points)
12	Pasadena	9.6% (±3.1 points)
13	Crofton	7.9% (±2.0 points)
14	Lake Shore	7.5% (±4.0 points)
15	Annapolis Neck	6.3% (±2.1 points)
16	Arnold	5.8% (±1.6 points)
17 (tie)	Brooklyn Park	5.6% (±2.7 points)
17 (tie)	Cape St. Claire	5.6% (±2.4 points)
19	Edgewater	4.8% (±2.4 points)
20	Severna Park	4.2% (±1.5 points)
21	Riviera Beach	2.7% (±2.5 points)
22	Galesville	2.3% (±14.9 points)

Showing 13 of 31 places in Anne Arundel County, ranked from highest to lowest.

Arnold is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

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 Arnold

How many homes are in Arnold?

Arnold, MD has an estimated 9,102 (±506) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Arnold houses or apartments?

69.9% are detached houses and 23.5% attached houses, while 6.2% are in buildings of two or more units.

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

0.4% of homes in Arnold 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 — Arnold CDP, Maryland

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 Arnold CDP, Maryland (place:02275, in state:24).

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.