Monrovia, MD ZIP Codes, Coordinates & Counties
Monrovia, Maryland has 1 ZIP code in Frederick county. The approximate center of Monrovia is 39.352, -77.257. Monrovia has about 7,517 known street addresses.
ZIP codes in Monrovia, MD
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 21770 | Frederick | 39.352 | -77.257 |
Counties Monrovia spans
Frederick
Most common streets in Monrovia
Green Valley, Weller, Fingerboard, Ridgeway, Plum, Overlook, Greystone, Pine, Saint Clair, Rowe
Frequently asked questions
What ZIP codes are in Monrovia, MD?
Monrovia, Maryland has 1 ZIP code, ranging from 21770 to 21770. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Monrovia, MD in?
Monrovia is in Frederick county.
What are the latitude and longitude of Monrovia, MD?
The approximate center of Monrovia, Maryland is latitude 39.352, longitude -77.257. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Monrovia, MD have?
Monrovia has 1 ZIP code.
How many addresses are in Monrovia, MD?
Monrovia, Maryland has about 7,517 known street addresses in the sthan.io US address database.
What are the most common streets in Monrovia, MD?
Some of the most common street names in Monrovia are Green Valley, Weller, Fingerboard, Ridgeway, Plum, Overlook.
What cities are near Monrovia, MD?
Cities near Monrovia include Ijamsville (3 mi), New Market (4 mi), Damascus (5 mi), Clarksburg (6 mi), Mount Airy (6 mi).
Cities near Monrovia
Ijamsville, MD (3 mi) New Market, MD (4 mi) Damascus, MD (5 mi) Clarksburg, MD (6 mi) Mount Airy, MD (6 mi) Frederick, MD (9 mi) Libertytown, MD (9 mi) Buckeystown, MD (10 mi)
Need this for any US address, in code?
Get the ZIP code, county, and coordinates for any US address through the sthan.io API. Free 100 requests/month, no credit card required.
View the API →Last updated: June 2026 · Data: sthan.io US address database