United States ZIP Code: 21010
This is the Maryland ZIP Code 21010 page list. Its detail State, County, City, Longitude, Latitude, Envelope Example, Population is as below.
ZIP Code 21010 Information
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Country:
U.S. - United States
State:
State FIPS:
24
Area Code:
ZIP Code:
21010
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 21010 - City
This is the city information corresponding to 21010:
State | County | 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. | ZIP Code |
---|---|---|---|---|
MD | Harford | Aber Prov Grd | A (Acceptable) | 21010 |
MD | Harford | Aberdeen Proving Ground | A (Acceptable) | 21010 |
MD | Harford | Edgewood Arsenal | N (Not Acceptable) | 21010 |
MD | Harford | Gunpowder | D (Default) | 21010 |
❓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 A (Acceptable) mean? 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.
❓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 21010 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 21010 below.
ZIP Code 5 Plus 4 | Address |
---|---|
21010-0001 | PO BOX 1, GUNPOWDER, MD |
21010-0051 | PO BOX 51, GUNPOWDER, MD |
21010-0101 | PO BOX 101, GUNPOWDER, MD |
21010-0151 | PO BOX 151, GUNPOWDER, MD |
21010-0201 | PO BOX 201, GUNPOWDER, 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.
21010 Basic Meaning
What does each digit of ZIP Code 21010 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 Gunpowder, Maryland, United States. You may use button to move and zoom in / out. The map information is for reference only.
Population for ZIP Code 21010
What is the total population in ZIP Code 21010? Below is detail information.
- Population for ZIP Code 21010: 269
- 2010 Population: 104
The 2020 demographic statistics are in progress. The current population in ZIP code 21010 is 269, and the population in 2010 is 104.
Gender
In all the statistical population, the male population is 46, the female population is 58.
- Male Population: 46
- Female Population: 58
Race
In all the statistical population, the male population is 46, the female population is 58.
- White Population: 86
- Black Population: 12
- Hispanic Population: 13
- Asian Population: 8
- Hawaiian Population: 0
- Indian Population: 0
- Other Population: 3
Age
In all the statistical population, the White population is 86, the Black population is 12, the Hispanic population is 13, the Asian population is 8, the Hawaiian population is 0, the Indian Ppopulation is 0 and Other population is 3.
- Age's Median: 35.5
- Median of male age: 38.2
- Median of female age: 29.5
Households for ZIP Code 21010
ZIP code 21010 has 34 households, with an average number of 3.06 persons per household. The average income per household in Zip code 21010 is 75,583 USD, and the average house value is 0 USD.
- Households Per Zipcode: 34
- Persons Per Household: 3.06
- Average House Value: 0
- Income Per Household: 75,583
Geographic
The latitude of the Zip code 21010 is 39.367349, the longitude is -76.295893, and the elevation is 19. It has land area of 5.136 square miles, and water area of 0.222 square miles. The time zone for ZIP code 21010 is Eastern (GMT -05:00). Daylight saving time should be observed in the area where the zip code is located.
- Latitude: 39.367349
- Longitude: -76.295893
- Elevation: 19
- Land Area: 5.136
- Water Area: 0.222
- Time Zone: Eastern (GMT -05:00)
- Region: South
- Division: South Atlantic
- Day Light Saving: Y
Congressional District
The Congressional District for ZIP code 21010 is Maryland's 2nd congressional district, the Congressional Land Area is 348.88 square mile.
- Congressional District: 2nd
- Congressional Land Area: 348.88
Delivery
In the ZIP code 21010, there are 88 residential delivery mailboxes and centralized units, and 7 commercial delivery mailbox and centralized units, 51 single family deliveries and 37 multifamily deliveries, and the box count is 5,567. The main post office has city delivery carrier routes for the ZIP code 21010.
- Delivery Residential: 88
- Delivery Business: 7
- Delivery Total: 5,567
- Single Family Delivery Units: 51
- Multi Family Delivery Units: 37
- City Delivery Indicator: Y
Business
In ZIP code 21010, the number of business is 33, the number of employee is 336, the business first quarter payroll is 9,206,000 USD, the business annual payroll is 39,131,000 USD.
- Number Of Businesses: 33
- Number Of Employees: 336
- Business First Quarter Payroll: 9,206,000
- Business Annual Payroll: 39,131,000
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