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21228 ZIP Code

ZIP Code: 21228 Catonsville

Extra Details of ZIP Code 21228

ZIP Code 21228
Zip Code Type Standard
State Maryland - MD
Official Zip Code Name Catonsville
Primary County Baltimore
Area Code (s) 410
Racial Majority White 64.59%
Elevation Range 233 - 466 ft.

Data: State Statistics Office | Updated on: May 01, 2026

How to write a U.S. envelope?

The first step is to write the recipient address:
First, you need to fill in the recipient's mailing information in the center of the envelope. The first line is also the recipient's name. When writing the recipient's name, pay attention to the title, and write the person's title and name in the middle of the envelope. On the second line, write the recipient's full address, including any associated apartment or suite numbers. The more detailed the better. The third line writes the recipient's city, state, and zip code, this information is the last line of the address.

The second step is to write the reply address:
The return address is three lines, the first line will be the sender's name. The second line writes the sender's detailed address, including the street address, please remember to write the house number. On the third line write your city, state abbr, and zip code.

Finally, don't forget to stick the stamp on the right top corner. Otherwise, the letter will not go into the delivery process.

How to Read Zip Code

Population and Employment

population

49,438

Unemployment Rate
2.6%
Poverty Rate
7.3%
Non-Citizens
6.2%

Location of Zip Code 21228

On this map you can see exactly where postcodes are located within Germany.

Gender & Age Statistics

Gender

  • Male
    48%
  • Female
    52%

Age

  • <10 years
    10%
  • 10-17 years
    10%
  • 18-34 years
    20%
  • 35-64 years
    39%
  • 65+ years
    21%

21228 Demographics

Racial Diversity

  • White
    59%
  • African American
    19%
  • Hispanic
    5%
  • American Indian or Alaska native
    1%
  • Asian & Other race
    12%

Education Levels

  • Master's degree or above
    22%
  • Bachelor's degree
    26%
  • Some college or associate degree
    24%
  • High school diploma or vocational degree
    21%
  • Less than high school diploma
    8%

21228 Income

Median Household Income

$91,178

National $64,994

Household Income Brackets

  • <$30k
    11%
  • $30-$44k
    12%
  • $45-$84k
    20%
  • $85-$149k
    35%
  • $150k+
    23%

Median Individual Income

$45,907

National $32,197

Individual Income Brackets

  • <$20k
    21%
  • $20-$34k
    20%
  • $35-$74k
    34%
  • $75k+
    26%

Online Business Directory

Whether you're looking for hotels, hairdressers, doctors or lawyers in Catonsville, MD. You can find these phone numbers in our phone book. With us, you can easily book a restaurant or hotel in your location. You can also find reputable real estate agents and insurance agents. Everything you need is easily accessible here!

iCoderz Solutions – Mobile App & Web Development Company
Woodland, Boulevard,Suite B, Oxon Hill, 20745

Glue Machinery Corporation
4234 Boston St, Baltimore, 21224

Junk Removal Hagerstown Maryland
905 Dewey Ave, Hagerstown, 21742

Trusts and Estates Attorney Kerri Castellini
110 N Washington St #207, Rockville, 20850

Cloudbunks Hostel
2937 N Calvert, Baltimore, 21218

Bay Lighting
2146 Priest Bridge Court #13, Crofton, 21114

Schools Serving Catonsville

Catonsville Center For Alternative Studies
901 S Rolling Rd Baltimore, MD 21228

Westowne Elementary
401 Harlem Ln Catonsville, MD 21228

Catonsville Middle
2301 Edmondson Ave Catonsville, MD 21228

Catonsville High
421 Bloomsbury Ave Baltimore, MD 21228

Catonsville Elementary
615 Frederick Rd Catonsville, MD 21228

Library Catonsville

Museum Catonsville

Historical Old Salem
615 Ingleside Ave Catonsville, MD 21228

Alumni Museum Spring Grove Hospital Center
55 Wade Avenue Catonsville, MD 21228

Catonsville Historical Society
1824 Frederick Rd Catonsville, MD 21228

Hospital Catonsville

Spring Grove Hospital Center
55 Wade Avenue Catonsville, MD 21228

University Catonsville