Catonsville ZIP Codes — Baltimore County, MD

There is one unique ZIP code in Catonsville, Maryland and it is 21228. Area code: 410/443.

ZIP codes

15.58

sq mi land

0.04

sq mi water

410/443

area code

Catonsville, MD ZIP code map

About Catonsville, MD

Catonsville, MD, is a charming suburb located in Baltimore County, within the state of Maryland. Known for its vibrant community and rich history, Catonsville blends small-town charm with proximity to urban amenities. This area offers a unique combination of natural beauty and cultural landmarks, attracting residents and visitors alike.

Location & geography

Catonsville is situated approximately six miles southwest of downtown Baltimore, making it a convenient location for those commuting to the city. The town covers a land area of 31.15 square miles, with a minimal water area of 0.09 square miles. The landscape is primarily suburban, characterized by tree-lined streets, parks, and easy access to nearby attractions.

Community & economy

The community in Catonsville is known for its friendly atmosphere and active civic engagement among residents. The local economy is supported by a mix of industries, including retail, education, and healthcare, ensuring that there are ample job opportunities and resources. Daily life in Catonsville can be enriched by various events, local shops, and cultural offerings that cater to a diverse population.

Transportation

Catonsville is easily accessible via major highways such as Interstate 695 and Route 40, connecting it to Baltimore and surrounding areas. The nearest airport is Baltimore/Washington International Thurgood Marshall Airport, located just a short drive away. Public transportation options, including bus services, provide additional connectivity for residents and visitors.

History

Catonsville was founded in the early 19th century and quickly became known for its beautiful scenery and historic architecture. Key industries have evolved over the years, contributing to its development as a suburban community. Notable events in the area include the founding of the Catonsville Nine protest against the Vietnam War in 1968, highlighting the town's commitment to social activism.

Did you know?

A surprising fact about Catonsville is that it is home to the historic Catonsville Carnival, one of the oldest community events in the region, celebrating local culture and traditions. Additionally, the town has a rich literary connection, being the birthplace of author Philip Caputo.

ZIP codes for Catonsville, MD (1)

ZIP code	City	County	Map
21228	Catonsville	Baltimore	View map

Demographics & statistics

50,268

Population

42.7

Median age

$102,592

Median household income

$48,725

Per capita income

$363,800

Median home value

$1,595

Median monthly rent

73.1%

Home ownership

7.9%

Poverty rate

4.5%

Unemployment

15,128

Housing units

48.7%

Bachelor's or higher

Age distribution

Male Female

1,317

Under 5

1,444

1,301

5–9

1,427

1,355

10–14

1,485

1,453

15–19

1,593

1,496

20–24

1,640

2,616

25–34

2,869

3,129

35–44

3,431

2,409

45–54

2,641

1,575

55–59

1,728

1,968

60–64

2,157

2,568

65–74

2,815

1,587

75–84

1,740

1,204

85+

1,320

← Male

Female →

Age summary

Group	Count	%
Under 18	10,326	20.5%
18 and over	39,942	79.5%
65 and over	11,234	22.3%
Median age	42.7 years

Race & ethnicity

White 55.5%

Black or African American 19.3%

Asian 12.7%

Two or more races 5.6%

Hispanic or Latino 4%

Other race 2.5%

Native Hawaiian / Pacific Islander 0.2%

American Indian / Alaska Native 0.2%

Group	Count	%
White	29,050	55.5%
Black or African American	10,116	19.3%
Asian	6,639	12.7%
Two or more races	2,909	5.6%
Hispanic or Latino	2,120	4%
Other race	1,335	2.5%
Native Hawaiian / Pacific Islander	110	0.2%
American Indian / Alaska Native	109	0.2%

Household income

Under $10k 3.0%

$10k–$15k 1.9%

$15k–$25k 4.9%

$25k–$35k 4.7%

$35k–$50k 8.2%

$50k–$75k 14.2%

$75k–$100k 11.9%

$100k–$150k 22.3%

$150k–$200k 13.4%

$200k+ 15.4%

Range	% of households
Under $10k	3.0%
$10k–$15k	1.9%
$15k–$25k	4.9%
$25k–$35k	4.7%
$35k–$50k	8.2%
$50k–$75k	14.2%
$75k–$100k	11.9%
$100k–$150k	22.3%
$150k–$200k	13.4%
$200k+	15.4%
Median income	$102,592

Housing

Home values

Under $50k 1.4%

$50k–$100k 0.6%

$100k–$150k 1.5%

$150k–$200k 3.9%

$200k–$300k 25.0%

$300k–$500k 46.6%

$500k–$1M 20.4%

$1M+ 0.6%

Housing overview

Metric	Value
Median home value	$363,800
Median rent / month	$1,595
Owner occupied	73.1%
Renter occupied	26.9%
Vacant	3.9%
Single-family detached	54.6%
Large apartment buildings	11.3%
Mobile homes	0.1%
Median rooms	6.7
Avg household size (owned)	2.66

Year built

Era	%
2020 or later	0.2%
2010–2019	5.0%
2000–2009	4.5%
1990–1999	9.8%
1980–1989	18.3%
1970–1979	10.5%
1960–1969	11.5%
1950–1959	21.9%
1940–1949	4.1%
1939 or earlier	14.2%

Bedrooms

Size	% of units
No bedroom (studio)	1.8%
1 bedroom	13.6%
2 bedrooms	17.0%
3 bedrooms	38.3%
4 bedrooms	22.8%
5+ bedrooms	6.6%

Vehicles per household

Vehicles	% of households
No vehicle	9.3%
1 vehicle	35.5%
2 vehicles	37.0%
3 or more	18.1%

Heating fuel

Fuel type	%
Utility gas	54.8%
Electricity	38.1%
Propane / LP gas	1.0%
Fuel oil	4.6%
Wood	0.6%
Solar	0.2%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	9,100	46.4%
Cohabiting couple	959	4.9%
Male householder, no spouse	3,395	17.3%
Female householder, no spouse	6,156	31.4%
Households with children under 18	5,418	27.6%
Households with seniors (65+)	7,758	39.6%
Average household size	2.48

Marital status

Status	Male	Female
Never married	38.6%	28.9%
Married	50.1%	44.3%
Separated	0.8%	1.1%
Widowed	3.7%	13.6%
Divorced	6.8%	12.1%

Education

Less than 9th grade 3.8%

Some HS, no diploma 4.1%

HS graduate 19.8%

Some college, no degree 16.1%

Associate's degree 7.4%

Bachelor's degree 25.9%

Graduate / professional 22.8%

Metric	%
HS diploma or higher	92.1%
Bachelor's or higher	48.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	904	7.2%
Kindergarten	399	3.2%
Elementary school	4,558	36.2%
High school	2,657	21.1%
College / grad school	4,071	32.3%

Employment

Industry of employment

Education & healthcare 26.5%

Professional & management 16.9%

Arts, food & hospitality 9.4%

Public administration 9.4%

Retail trade 7.9%

Finance & real estate 6.6%

Other services 6.4%

Manufacturing 5.3%

Transportation & utilities 4.2%

Construction 3.9%

Wholesale trade 2.0%

Information 1.3%

Agriculture & mining 0.1%

Occupation

Category	%
Management, business & arts	54.3%
Service	16.2%
Sales & office	17.5%
Natural resources & construction	4.0%
Production & transportation	7.9%

Employment type

Type	%
Private sector	74.0%
Government	22.0%
Self-employed	4.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	73.0%
Carpool	5.5%
Public transit	2.7%
Walk	1.4%
Other means	0.9%
Avg commute (minutes)	26.5

Poverty

All people 7.9%

Under 18 years 9.5%

18 and over 7.5%

Married-couple families 3.8%

Female-led households 8.8%

Income support

Source	% of households
Social Security	34.4%
Retirement income	31.3%
Supplemental Security	3.6%
Cash public assistance	1.0%
Food stamps / SNAP	7.5%

Health indicators

Condition	%
High blood pressure	36.1%
High cholesterol	34.1%
Heart disease	6.3%
Stroke	3.2%
Asthma	9.4%
Arthritis	26.5%
Kidney disease	3.1%
Pulmonary disease	5.5%
Cancer	8.0%

Behavior / access	%
Binge drinking	13.8%
No physical activity	21.9%
Less than 7 hrs sleep	31.1%
Fair or poor health	12.5%
Poor mental health	12.9%
Poor physical health	8.2%
No health insurance	9.2%
Visited doctor (checkup)	78.2%
Visited dentist	67.6%
Cholesterol screening	93.5%
Teeth loss	10.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,800	7.0%

Disability	%
Any disability	14.3%
Under 18	4.5%
18–64 years	10.8%
65 and over	33.4%

Health insurance coverage

Type	%
Private insurance	77.3%
Public insurance	35.4%
Uninsured under 19	5.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	47,507	94.5%
Spanish	3,268	6.9%
Other Indo-European	731	1.5%
Asian & Pacific Islander	1,318	2.8%
Other languages	1,036	2.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	42,658	84.9%
Born in same state	41,571	82.7%
Born in different state	28,642	57.0%
Foreign born	1,087	2.2%
Naturalized citizen	7,610	15.1%
Not a US citizen	4,667	61.3%

Ancestry

Ancestry	Count	%
Italian	6,892	13.7%
French	4,934	9.8%
Arab	1,429	2.8%
Norwegian	464	0.9%
English	353	0.7%

Ancestry	Count	%
Polish	314	0.6%
German	137	0.3%
Dutch	51	0.1%
Irish	26	0.1%

Technology access

Metric	% of households
Computer access	39.0%
Internet access	93.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Catonsville, MD have?

Catonsville, MD has one ZIP code: 21228. Each ZIP code serves a distinct delivery area within the city and surrounding region.