United States ZIP Code: 21231

This is the Maryland ZIP Code 21231 page list. Its detail State, County, City, Longitude, Latitude, Envelope Example, Population is as below.

Modern illustration of Patterson Park in Baltimore City, Maryland, featuring lush green spaces, the iconic Pagoda, and a creatively designed airmail envelope with postal elements, symbolizing the area's historic charm and vibrant community spirit.

ZIP Code 21231 Information ZIP Code 21231 Information

  • Country:

    U.S. - United States

    State FIPS:

    24

    Area Code:

    410 / 443 / 667

    ZIP Code:

    21231

    ZIP Type:

    S (Standard)

    ❓What does S (Standard) mean? A "standard" ZIP Code is what most people think of when they talk about ZIP Codes - essentially a town, city, or a division of a city that has mail service.

ZIP Code 21231 - City ZIP Code - City

This is the city information corresponding to 21231:

State County CityCity Type ?In many cases, a ZIP Code can have multiple "names", meaning cities, towns, or subdivisions, in its boundaries. However, it will ALWAYS have exactly 1 "default" name. D - Default - This is the "preferred" name - by the USPS - for a city. Each ZIP Code has one - and only one - "default" name. In most cases, this is what people who live in that area call the city as well. A - Acceptable - This name can be used for mailing purposes. Often times alternative names are large neighborhoods or sections of the city/town. In some cases a ZIP Code may have several "acceptable" names which is used to group towns under one ZIP Code. N - Not Acceptable - A "not acceptable" name is, in many cases, a nickname that residents give that location. According to the USPS, you should NOT send mail to that ZIP Code using the "not acceptable" name when mailing.ZIP Code
MDBaltimore CityBaltimoreD (Default)21231
MDBaltimore CityPattersonN (Not Acceptable)21231

❓What does D (Default) mean? This is the "preferred" name - by the USPS - for a city. Each ZIP Code has one - and only one - "default" name. In most cases, this is what people who live in that area call the city as well.

❓What does N (Not Acceptable) mean? A "not acceptable" name is, in many cases, a nickname that residents give that location. According to the USPS, you should NOT send mail to that ZIP Code using the "not acceptable" name when mailing.

ZIP Code 21231 Plus 4 ZIP Code 21231 Plus 4

ZIP Code 5 plus 4 is the extension of 5-digit zip code, It can be used to locate a more detailed location. The last four digits designate segment or one side of a street or an apartment. You can find the ZIP+4 code and corresponding address of the zip code 21231 below.

ZIP Code 5 Plus 4Address
21231-0001PO BOX 6001, BALTIMORE, MD
21231-0121PO BOX 6121, BALTIMORE, MD
21231-0181PO BOX 6181, BALTIMORE, MD
21231-0200223 S BROADWAY #1R , BALTIMORE, MD
21231-0200223 S BROADWAY #2F , BALTIMORE, MD

More ZIP+4 Codes of ZIP Code 21231

Envelope Example Envelope Example

This is an example of a US zip envelope. You can use a 5-digit zipcode or a detailed 9-digit zipcode to copy the mail in the following address format.

ZIP Code: 21231

21231 Basic Meaning Basic Meaning

What does each digit of ZIP Code 21231 stands for? The first digit designates a national area, which ranges from zero for the Northeast to nine for the far West. The 2-3 digits are the code of a sectional center facility in that region. The last two digits designate small post offices or postal zones.

ZIP Code: 21231

Online Map Online Map

This is online map of the address Patterson, Maryland, United States. You may use button to move and zoom in / out. The map information is for reference only.

Museum Museum

This is the ZIP Code 21231 - Museum page list. Its detail Museum Name, Street, City, State, ZIP Code, Phone is as below.

NameStreetCityStateZIP CodePhone
ROBERT LONG HOUSE812 S ANN STBALTIMORE MD21231(410) 675-6750
BALTIMORE MARITIME MUSEUM802 S CAROLINE STREETBALTIMORE MD21231(410) 539-1797
HISTORIC FELLS POINT AND FEDERAL HILL FUND812 SOUTH ANN STREETBALTIMORE MD21231
NATIONAL CATHOLIC MUSEUM AND INSTITUTE524 S WOLFE STBALTIMORE MD21231

School School

This is the ZIP Code 21231 - School page list. Its detail School Name, Address, City, State, ZIP Code is as below.

School NameAddressCityStateGradesZIP Code
Paul Laurence Dunbar High1400 Orleans StreetBaltimore MDUG21231
The Crossroads School802 S Caroline StreetBaltimore MDUG21231

Population for ZIP Code 21231 Population for ZIP Code 21231

What is the total population in ZIP Code 21231? Below is detail information.

  • Population for ZIP Code 21231: 18,117
  • 2010 Population: 15,748

The 2020 demographic statistics are in progress. The current population in ZIP code 21231 is 18,117, and the population in 2010 is 15,748.

Gender Gender

In all the statistical population, the male population is 7,715, the female population is 8,033.

  • Male Population: 7,715
  • Female Population: 8,033

Race Race

In all the statistical population, the male population is 7,715, the female population is 8,033.

  • White Population: 8,949
  • Black Population: 5,337
  • Hispanic Population: 1,821
  • Asian Population: 738
  • Hawaiian Population: 34
  • Indian Population: 214
  • Other Population: 965

Age Age

In all the statistical population, the White population is 8,949, the Black population is 5,337, the Hispanic population is 1,821, the Asian population is 738, the Hawaiian population is 34, the Indian Ppopulation is 214 and Other population is 965.

  • Age's Median: 32.1
  • Median of male age: 32.7
  • Median of female age: 31.6

Households for ZIP Code 21231 Households for ZIP Code 21231

ZIP code 21231 has 7,640 households, with an average number of 2.02 persons per household. The average income per household in Zip code 21231 is 71,719 USD, and the average house value is 290,700 USD.

  • Households Per Zipcode: 7,640
  • Persons Per Household: 2.02
  • Average House Value: 290,700
  • Income Per Household: 71,719

Geographic Geographic

The latitude of the Zip code 21231 is 39.287896, the longitude is -76.592319, and the elevation is 35. It has land area of 0.871 square miles, and water area of 0.148 square miles. The time zone for ZIP code 21231 is Eastern (GMT -05:00). Daylight saving time should be observed in the area where the zip code is located.

  • Latitude: 39.287896
  • Longitude: -76.592319
  • Elevation: 35
  • Land Area: 0.871
  • Water Area: 0.148
  • Time Zone: Eastern (GMT -05:00)
  • Region: South
  • Division: South Atlantic
  • Day Light Saving: Y

Congressional District Congressional District

The Congressional District for ZIP code 21231 is Maryland's 2nd|3rd|07th congressional district, the Congressional Land Area is 348.88|304.14|488.03 square mile.

  • Congressional District: 2nd|3rd|07th
  • Congressional Land Area: 348.88|304.14|488.03

Delivery Delivery

In the ZIP code 21231, there are 8,969 residential delivery mailboxes and centralized units, and 720 commercial delivery mailbox and centralized units, 5,796 single family deliveries and 2,840 multifamily deliveries, and the box count is 11,751. The main post office has city delivery carrier routes for the ZIP code 21231.

  • Delivery Residential: 8,969
  • Delivery Business: 720
  • Delivery Total: 11,751
  • Single Family Delivery Units: 5,796
  • Multi Family Delivery Units: 2,840
  • City Delivery Indicator: Y

Business Business

In ZIP code 21231, the number of business is 490, the number of employee is 9,459, the business first quarter payroll is 259,498,000 USD, the business annual payroll is 739,860,000 USD.

  • Number Of Businesses: 490
  • Number Of Employees: 9,459
  • Business First Quarter Payroll: 259,498,000
  • Business Annual Payroll: 739,860,000

Social Security Benefits Social Security Benefits

There are 1,670 beneficiaries with benefits in current-payment status for ZIP code 21231, of which 1,020 are retired workers, 370 are disabled workers, 130 are widow(er)s and parents, 35 are spouses and 115 are children. The number of beneficiaries aged 65 or older is 1,120. The total monthly benefits are 2,097,000 USD, of which 1,484,000 USD for retired workers, 132,000 USD for widow(er)s and parents.

  • Total Number: 1,670
  • Retired workers Number: 1,020
  • Disabled workers Number: 370
  • Widow(er)s and parents Number: 130
  • Spouses Number: 35
  • Children Number: 115
  • All beneficiaries per month: 2,097,000
  • Retired workers per month: 1,484,000
  • Widow(er)s and parents per month: 132,000
  • Number of beneficiaries aged 65 or older: 1,120
Baltimore ZIP Code, Patterson ZIP Code, Maryland ZIP Code, 21231 ZIP Code, United States

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