ZIP Code: 21778, Rocky Ridge, MD

ZIP Code 21778 Information

• Country:

  U.S. - United States

  State:

  MD - Maryland

  County FIPS:

  24021

  County:

  CountyFIPS: 24021 - Frederick

  City:

  Rocky Ridge

  Area Code:

  240 / 301

  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:

  21778

  ❓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 21778 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 21778 below.

More ZIP+4 Codes of ZIP Code 21778

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.

21778 Basic Meaning

What does each digit of ZIP Code 21778 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 Rocky Ridge, Maryland, United States. You may use button to move and zoom in / out. The map information is for reference only.

Population for ZIP Code 21778

What is the total population in ZIP Code 21778? Below is detail information.

• Population for ZIP Code 21778: 1,161
• 2010 Population: 1,094

The 2020 demographic statistics are in progress. The current population in ZIP code 21778 is 1,161, and the population in 2010 is 1,094.

Gender

In all the statistical population, the male population is 544, the female population is 550.

• Male Population: 544
• Female Population: 550

Race

In all the statistical population, the male population is 544, the female population is 550.

• White Population: 1,077
• Black Population: 2
• Hispanic Population: 24
• Asian Population: 13
• Hawaiian Population: 3
• Indian Population: 5
• Other Population: 10

Age

In all the statistical population, the White population is 1,077, the Black population is 2, the Hispanic population is 24, the Asian population is 13, the Hawaiian population is 3, the Indian Ppopulation is 5 and Other population is 10.

• Age's Median: 45.1
• Median of male age: 43.8
• Median of female age: 46.5

Households for ZIP Code 21778

ZIP code 21778 has 409 households, with an average number of 2.67 persons per household. The average income per household in Zip code 21778 is 69,722 USD, and the average house value is 263,500 USD.

• Households Per Zipcode: 409
• Persons Per Household: 2.67
• Average House Value: 263,500
• Income Per Household: 69,722

Geographic

The latitude of the Zip code 21778 is 39.611768, the longitude is -77.333956, and the elevation is 405. It has land area of 17.531 square miles, and water area of 0.371 square miles. The time zone for ZIP code 21778 is Eastern (GMT -05:00). Daylight saving time should be observed in the area where the zip code is located.

• Latitude: 39.611768
• Longitude: -77.333956
• Elevation: 405
• Land Area: 17.531
• Water Area: 0.371
• Time Zone: Eastern (GMT -05:00)
• Region: South
• Division: South Atlantic
• Day Light Saving: Y

Congressional District

The Congressional District for ZIP code 21778 is Maryland's 08th congressional district, the Congressional Land Area is 859.85 square mile.

• Congressional District: 08th
• Congressional Land Area: 859.85

Delivery

In the ZIP code 21778, there are 435 residential delivery mailboxes and centralized units, and 5 commercial delivery mailbox and centralized units, 435 single family deliveries and 0 multifamily deliveries, and the box count is 484. The main post office does not have city delivery carrier routes for the ZIP code 21778.

• Delivery Residential: 435
• Delivery Business: 5
• Delivery Total: 484
• Single Family Delivery Units: 435
• Multi Family Delivery Units: 0
• City Delivery Indicator: N

Business

In ZIP code 21778, the number of business is 17, the number of employee is 104, the business first quarter payroll is 1,001,000 USD, the business annual payroll is 5,104,000 USD.

• Number Of Businesses: 17
• Number Of Employees: 104
• Business First Quarter Payroll: 1,001,000
• Business Annual Payroll: 5,104,000

Social Security Benefits

There are 270 beneficiaries with benefits in current-payment status for ZIP code 21778, of which 205 are retired workers, 35 are disabled workers, 20 are widow(er)s and parents, 10 are spouses and 0 are children. The number of beneficiaries aged 65 or older is 210. The total monthly benefits are 400,000 USD, of which 305,000 USD for retired workers, 35,000 USD for widow(er)s and parents.

• Total Number: 270
• Retired workers Number: 205
• Disabled workers Number: 35
• Widow(er)s and parents Number: 20
• Spouses Number: 10
• Children Number: 0
• All beneficiaries per month: 400,000
• Retired workers per month: 305,000
• Widow(er)s and parents per month: 35,000
• Number of beneficiaries aged 65 or older: 210