21227 ZIP Code, Halethorpe, MD

21227 is a ZIP code in Halethorpe, Maryland in Baltimore County. It covers 11 square miles of land. The closest ZIP codes are 21250, 21090 and 21229. 34,907 people live here in 13,396 households. At about 3,080 people per square mile it has suburban density, and owners and renters are mixed (65% own). Median household income is $85,986, below the Maryland median of $103,678.

Quick facts

Key figures

MeasureValue
Residents34,907
Households13,396
Median household income$85,986
Income per person$39,325
Median age36.2
Homeowners64.7%
Median home value$289,400
Median rent$1,420
Bachelor's degree or higher28.5%
Average commute (minutes)27.5
Households with kids under 1828.7%
Moved in the past year9.5%
Below the poverty line15.7%
Broadband internet87.5%
Speak a non-English language at home18.7%

Household income

% of householdsValue
<$10K8.7%
$10–15K2.9%
$15–25K5.3%
$25–35K6.9%
$35–50K7.5%
$50–75K12.8%
$75–100K15.1%
$100–150K16.6%
$150–200K12.4%
$200K+11.6%

Age

% of all residentsValue
<1014.1%
10–199.8%
20–245.7%
25–3418.7%
35–4412.3%
45–549.4%
55–6414.0%
65–7410.8%
75+5.1%

Tenure

% of housing unitsValue
Owned, with mortgage45.6%
Owned outright16.6%
Rented32.9%
Vacant4.9%

Type of building

% of housing unitsValue
Detached house45.8%
Townhome37.1%
2–4 units4.8%
5–19 units5.8%
20+ units6.0%
Mobile / other0.6%

Businesses in 21227

920 business establishments with 20,296 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

See every USPS carrier route in 21227 with residential and business mailbox counts on the route map. Open the EDDM route map.

Nearby ZIP codes

Areas that include 21227

Where it ranks

Mail every home in 21227

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 21227, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 21227 in?
21227 is a Halethorpe, MD mailing address. By land area, 55% lies inside Arbutus, 20% lies inside Lansdowne, 15% lies inside Baltimore Highlands and 7% lies inside Catonsville.
What county is 21227 in?
21227 is in Baltimore County.
What is the population of 21227?
About 34,907 people (±2,024), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 35,837.
What is the median household income in 21227?
$85,986 (±$6,796), compared with $103,678 for Maryland as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 21227?
EDDM2GO's stored route library does not include 21227 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
What ZIP codes are near 21227?
The closest, measured center to center: 21250 (2 mi, Catonsville), 21090 (2.2 mi, Linthicum), 21229 (3.1 mi, Baltimore), 21223 (3.3 mi, Baltimore), 21230 (3.4 mi, Baltimore) and 21225 (3.5 mi, Brooklyn Park).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.