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21155 ZIP Code

ZIP Code: 21155 Upperco

Extra Details of ZIP Code 21155

ZIP Code 21155
Zip Code Type Standard
State Maryland - MD
Official Zip Code Name Upperco
Primary County Baltimore
Area Code (s)
Racial Majority White 91.42%
Elevation Range 554 - 722 ft.

Data: State Statistics Office | Updated on: Jun 04, 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

2,363

Unemployment Rate
0.8%
Poverty Rate
4.2%
Non-Citizens
6.7%

Location of Zip Code 21155

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

Gender & Age Statistics

Gender

  • Male
    48%
  • Female
    52%

Age

  • <10 years
    9%
  • 10-17 years
    7%
  • 18-34 years
    22%
  • 35-64 years
    46%
  • 65+ years
    15%

21155 Demographics

Racial Diversity

  • White
    91%
  • African American
    3%
  • Hispanic
    2%
  • American Indian or Alaska native
    0%
  • Asian & Other race
    2%

Education Levels

  • Master's degree or above
    14%
  • Bachelor's degree
    27%
  • Some college or associate degree
    28%
  • High school diploma or vocational degree
    25%
  • Less than high school diploma
    6%

21155 Income

Median Household Income

$120,625

National $64,994

Household Income Brackets

  • <$30k
    6%
  • $30-$44k
    8%
  • $45-$84k
    17%
  • $85-$149k
    35%
  • $150k+
    34%

Median Individual Income

$55,029

National $32,197

Individual Income Brackets

  • <$20k
    12%
  • $20-$34k
    20%
  • $35-$74k
    43%
  • $75k+
    24%

Online Business Directory

Whether you're looking for hotels, hairdressers, doctors or lawyers in Upperco, 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!

Platinum Plus Limousines
8359 Washington Blvd., Jessup, 20794

Assisting Hands-Serving Potomac
4853 Cordell Avenue, Suite PH 10A, Bethesda, 20814

Women’s Health Specialists
6301 Executive Blvd, Rockville, 20852

Moran Insurance
696 Ritchie Highway Severna Park, MD 21146, Severna Park, 21146

Clean Polish Shines
4450 Mitchellville Rd, Bowie, 20716

Van Dorn Pools and Spas
12100 Belair Road, Kingsville, 21087

Locksmith Potomac MD
7825 Tuckerman Ln, Potomac, 20854

Mission Comfort
11491 Shearwater Dr, Waldorf, 20601

Schools Serving Upperco

Fifth District Elementary
3725 Mount Carmel Rd Upperco, MD 21155

Library Upperco

Museum Upperco

Maryland Steam Historical Society
15923 Dark Hollow Rd Upperco, MD 21155-9350

Hospital Upperco

University Upperco