ZIP Code: 21012, Arnold, MD
ZIP Code 21012 is located in Arnold, Maryland. Its detail State, County, City, Longitude, Latitude, Envelope Example, Population is as below.

ZIP Code 21012 Information
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Country:
U.S. - United States
State:
County FIPS:
24003
City:
City 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.:
D (Default)
ZIP Code:
21012
❓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.
ZIP Code 21012 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 21012 below.
ZIP Code 5 Plus 4 | Address |
---|---|
21012-0001 | PO BOX 1, ARNOLD, MD |
21012-0061 | PO BOX 61, ARNOLD, MD |
21012-0121 | PO BOX 121, ARNOLD, MD |
21012-0181 | PO BOX 181, ARNOLD, MD |
21012-0241 | PO BOX 241, ARNOLD, MD |
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.

21012 Basic Meaning
What does each digit of ZIP Code 21012 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.

Online Map
This is online map of the address Arnold, Maryland, United States. You may use button to move and zoom in / out. The map information is for reference only.
School
This is the ZIP Code 21012 - School page list. Its detail School Name, Address, City, State, ZIP Code is as below.
School Name | Address | City | State | Grades | ZIP Code |
---|---|---|---|---|---|
Belvedere Elementary | 360 Broadwater Rd | Arnold | MD | UG | 21012 |
AACPS Virtual Academy | 241 Peninsula Farm Road | Arnold | MD | UG | 21012 |
Population for ZIP Code 21012
What is the total population in ZIP Code 21012? Below is detail information.
- Population for ZIP Code 21012: 22,501
- 2010 Population: 21,317
The 2020 demographic statistics are in progress. The current population in ZIP code 21012 is 22,501, and the population in 2010 is 21,317.
Gender
In all the statistical population, the male population is 10,338, the female population is 10,979.
- Male Population: 10,338
- Female Population: 10,979
Race
In all the statistical population, the male population is 10,338, the female population is 10,979.
- White Population: 19,540
- Black Population: 1,152
- Hispanic Population: 809
- Asian Population: 708
- Hawaiian Population: 35
- Indian Population: 157
- Other Population: 277
Age
In all the statistical population, the White population is 19,540, the Black population is 1,152, the Hispanic population is 809, the Asian population is 708, the Hawaiian population is 35, the Indian Ppopulation is 157 and Other population is 277.
- Age's Median: 41.3
- Median of male age: 40.2
- Median of female age: 42.3
Households for ZIP Code 21012
ZIP code 21012 has 7,807 households, with an average number of 2.71 persons per household. The average income per household in Zip code 21012 is 124,605 USD, and the average house value is 449,200 USD.
- Households Per Zipcode: 7,807
- Persons Per Household: 2.71
- Average House Value: 449,200
- Income Per Household: 124,605
Geographic
The latitude of the Zip code 21012 is 39.043002, the longitude is -76.494210, and the elevation is 78. It has land area of 9.761 square miles, and water area of 2.73 square miles. The time zone for ZIP code 21012 is Eastern (GMT -05:00). Daylight saving time should be observed in the area where the zip code is located.
- Latitude: 39.043002
- Longitude: -76.494210
- Elevation: 78
- Land Area: 9.761
- Water Area: 2.73
- Time Zone: Eastern (GMT -05:00)
- Region: South
- Division: South Atlantic
- Day Light Saving: Y
Congressional District
The Congressional District for ZIP code 21012 is Maryland's 3rd|04th congressional district, the Congressional Land Area is 304.14|297.81 square mile.
- Congressional District: 3rd|04th
- Congressional Land Area: 304.14|297.81
Delivery
In the ZIP code 21012, there are 8,303 residential delivery mailboxes and centralized units, and 220 commercial delivery mailbox and centralized units, 6,096 single family deliveries and 664 multifamily deliveries, and the box count is 9,168. The main post office does not have city delivery carrier routes for the ZIP code 21012.
- Delivery Residential: 8,303
- Delivery Business: 220
- Delivery Total: 9,168
- Single Family Delivery Units: 6,096
- Multi Family Delivery Units: 664
- City Delivery Indicator: N
Business
In ZIP code 21012, the number of business is 387, the number of employee is 3,425, the business first quarter payroll is 26,307,000 USD, the business annual payroll is 114,563,000 USD.
- Number Of Businesses: 387
- Number Of Employees: 3,425
- Business First Quarter Payroll: 26,307,000
- Business Annual Payroll: 114,563,000
Social Security Benefits
There are 3,670 beneficiaries with benefits in current-payment status for ZIP code 21012, of which 2,910 are retired workers, 255 are disabled workers, 180 are widow(er)s and parents, 150 are spouses and 175 are children. The number of beneficiaries aged 65 or older is 3,110. The total monthly benefits are 6,206,000 USD, of which 5,211,000 USD for retired workers, 295,000 USD for widow(er)s and parents.
- Total Number: 3,670
- Retired workers Number: 2,910
- Disabled workers Number: 255
- Widow(er)s and parents Number: 180
- Spouses Number: 150
- Children Number: 175
- All beneficiaries per month: 6,206,000
- Retired workers per month: 5,211,000
- Widow(er)s and parents per month: 295,000
- Number of beneficiaries aged 65 or older: 3,110
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