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ZIP code 21228: Catonsville, MD

21228 is a ZIP code in Catonsville, Maryland, mainly in Baltimore County, part of the Baltimore-Columbia-Towson, MD metro area. About 50,492 people live here.

Population
50,492
Median household income
$112,656
Typical home value
$424,900+1.3% in 12 months
Median rent
$1,701gross, per month
Median age
42.2
Homeowners
71%of occupied homes
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Shaded: ZIP code 21228's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 21228 details

CityCatonsville
StateMaryland
CountyBaltimore County (also partly Baltimore city)
Metro areaBaltimore-Columbia-Towson, MD
Time zoneEastern Time (UTC−5), observes daylight saving time
TypeStandard (delivery area)
Land area15.6 sq mi, plus 0 sq mi of water
Population density3,241 people per sq mi
Bachelor's degree or higher52.5% of adults 25+
Average commute25.4 minutes
Center coordinates39.27286, -76.74774

Median rent in 21228 by bedrooms

SizeMedian gross rent
Studio$1,861/mo
1 bedroom$1,436/mo
2 bedrooms$1,724/mo
3 bedrooms$1,867/mo
4 bedrooms$2,621/mo

Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.

ZIP codes near 21228

ZIP codeCityDistancePopulation
21250Baltimore, MD2.3 mi2,834
21043Ellicott City, MD3.1 mi48,525
21229Baltimore, MD3.1 mi46,679
21207Gwynn Oak, MD3.9 mi47,099
21227Halethorpe, MD4.3 mi34,907
21244Windsor Mill, MD4.6 mi38,208
21075Elkridge, MD4.8 mi37,363
21216Baltimore, MD4.8 mi29,426

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Buying a home in 21228?

A typical home in ZIP code 21228 is worth about $424,900 (Zillow Home Value Index). The median household here earns $112,656 a year. See what buying here would cost per month, with Maryland average taxes and insurance filled in.

Monthly payment for a $424,900 homeWhat can a $112,656 income afford?Rental property numbers

About ZIP code 21228

What city is ZIP code 21228?

ZIP code 21228 is in Catonsville, MD, in Baltimore County.

What county is ZIP code 21228 in?

21228 is mainly in Baltimore County, Maryland, and partly in Baltimore city.

What is the population of ZIP code 21228?

About 50,492 people live in ZIP code 21228, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 21228 in?

21228 is in Eastern Time (UTC−5). It observes daylight saving time.