21778 Zip Code

About 21778 Zip Code

ZIP Code: 21778
Latitude: 39.61576
Longitude: -77.33754
Population: 840
Density: 17.8
City: Rocky Ridge
State: Maryland
County: Frederick County
All Counties: Frederick
Time Zone: America/New_York

ZIP code 21778 covers the area of Rocky Ridge, Maryland in the United States. It is primarily associated with Frederick County and lies in the America/New_York time zone.

ZIP Code 21778 Overview

ZIP code 21778 serves the community of Rocky Ridge, Maryland. Based on available data, this ZIP code has an estimated population of around 840 people and a population density of roughly 17.8 people per square kilometer.

The primary county linked to this ZIP code is Frederick County. In some datasets, ZIP codes can overlap multiple counties. For ZIP code 21778, the extended county coverage is recorded as: Frederick.

Location and Coordinates

The geographic center (approximate) of ZIP code 21778 is located near latitude 39.61576 and longitude -77.33754. This information is useful for mapping, distance calculations, and understanding how this ZIP fits within Maryland.

Time Zone

ZIP code 21778 falls under the America/New_York time zone. This can be important for scheduling, logistics, and travel planning.

Related ZIP Code Pages

Explore other related ZIP code resources on Burning Compass:

• All ZIP codes in Maryland
• All ZIP codes for the city of Rocky Ridge
• All ZIP codes in Frederick County