About Frederick County
Frederick County is a city located in United States, in the Maryland region. According to the latest available data (2026), the population of Frederick County is approximately 271,717 residents, making it the #286 most populous city in United States.
Globally, Frederick County ranks #6,776 among the world's most populated cities.
Frederick County City Statistics
| City | Frederick County |
| Country |  United States |
| Population | 271,717 |
| Global Rank | #6,776 |
| Rank in United States | #286 of 867 cities |
| City Category | city |
| Region | Maryland |
| Latitude | 39.47 |
| Longitude | -77.4 |
| Data Year | 2026 |
Where is Frederick County Located?
Frederick County is located in United States, in the Maryland region, at coordinates 39.47° latitude and -77.4° longitude. Frederick County sits in the subtropics, typically enjoying warm temperatures year-round.
Nearby Cities
Other Cities in United States
Largest Cities in United States
| # | City | Population |
|---|---|---|
| 1 | Harris County | 4,731,145 |
| 2 | Los Angeles | 3,898,747 |
| 3 | San Diego County | 3,298,634 |
| 4 | Brooklyn | 2,736,074 |
| 5 | Miami-Dade County | 2,701,767 |
Frequently Asked Questions
What is the population of Frederick County?
The population of Frederick County is approximately 271,717 residents according to the latest available data (2026).
Where is Frederick County located?
Frederick County is located in United States at approximately 39.47° latitude and -77.4° longitude.
Is Frederick County one of the largest cities in United States?
With a population of 271,717, Frederick County is one of the notable urban areas in United States. It ranks #286 out of 867 cities in the country.
