What kinds of homes are in Catonsville, MD?

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

Catonsville, MD has 16,926 (±699) homes (2020–2024 American Community Survey).

That is about 1,212 homes per square mile of land.

49.8% are detached single-family houses.

5.9% are in buildings of two to four units.

25.8% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 16,926 (±699)
Detached houses: 49.8%
2–4 unit buildings: 5.9%
5+ unit buildings: 25.8%

Homes in Catonsville by building size

Housing units by units in structure, 2020–2024
Building type	Catonsville	Baltimore County	Maryland	United States
Single-family, detached	49.8% (±2.5 points)	47.2%	51.2%	61.3%
Single-family, attached (townhouse, rowhouse)	18.5% (±2.1 points)	23.7%	21.3%	6.2%
2 units	3.3% (±1.0 points)	1.1%	1.5%	3.4%
3 or 4 units	2.6% (±0.8 points)	1.9%	2.1%	4.3%
5 to 9 units	5.4% (±2.0 points)	7.7%	5.2%	4.5%
10 to 19 units	8.6% (±1.7 points)	10.0%	7.3%	4.3%
20 or more units	11.8% (±2.2 points)	7.5%	10.2%	10.3%
Mobile home	0.0% (±0.3 points)	0.8%	1.3%	5.6%
Boat, RV, van, etc.	0.0% (±0.3 points)	0.0%	0.0%	0.1%

In Catonsville, the share of homes in buildings of five or more units is not measurably different from Baltimore County (25.2%).

It is not measurably different from Maryland (22.7%).

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

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

Nearest places with a published estimate, compared with Catonsville
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Catonsville	—	25.8% (±3.4 points)	—
Woodlawn (Baltimore County)	2.9 mi	22.3% (±3.3 points)	Not measurably different
Arbutus	3.0 mi	10.9% (±3.5 points)	Lower
Ilchester	3.5 mi	21.5% (±3.0 points)	Not measurably different
Lansdowne	4.6 mi	17.0% (±6.5 points)	Lower
Elkridge	4.8 mi	29.5% (±4.1 points)	Not measurably different
Ellicott City	5.0 mi	26.1% (±2.9 points)	Not measurably different
Linthicum	5.6 mi	13.7% (±3.7 points)	Lower
Lochearn	5.8 mi	25.3% (±4.4 points)	Not measurably different

Nearby places with a measurably lower figure: Arbutus, MD (10.9%), Lansdowne, MD (17.0%), Linthicum, MD (13.7%).

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 Baltimore County, place by place

Rank	Place	Homes in buildings of 5 or more units
5	Pikesville	43.7% (±4.1 points)
6	Mays Chapel	39.5% (±5.7 points)
7	Towson	38.3% (±3.3 points)
8	Milford Mill	37.4% (±4.3 points)
9	Carney	34.7% (±4.2 points)
10	Reisterstown	28.0% (±5.1 points)
11	Catonsville	25.8% (±3.4 points)
12	Lochearn	25.3% (±4.4 points)
13	Perry Hall	25.1% (±3.8 points)
14	White Marsh	24.5% (±6.0 points)
15	Timonium	23.9% (±4.0 points)
16	Woodlawn (Baltimore County)	22.3% (±3.3 points)
17	Essex	19.5% (±3.0 points)

Showing 13 of 32 places in Baltimore County, ranked from highest to lowest.

Catonsville 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 Catonsville

How many homes are in Catonsville?

Catonsville, MD has an estimated 16,926 (±699) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Catonsville houses or apartments?

49.8% are detached houses and 18.5% attached houses, while 31.7% are in buildings of two or more units.

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

5.9% of homes in Catonsville 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 — Catonsville 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 Catonsville CDP, Maryland (place:14125, 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.