About Mercer County
Mercer County is a city located in United States, in the Pennsylvania region. According to the latest available data (2026), the population of Mercer County is approximately 110,652 residents, making it the #767 most populous city in United States.
Globally, Mercer County ranks #14,404 among the world's most populated cities.
Mercer County City Statistics
| City | Mercer County |
| Country |  United States |
| Population | 110,652 |
| Global Rank | #14,404 |
| Rank in United States | #767 of 867 cities |
| City Category | city |
| Region | Pennsylvania |
| Latitude | 41.31 |
| Longitude | -80.25 |
| Data Year | 2026 |
Where is Mercer County Located?
Mercer County is located in United States, in the Pennsylvania region, at coordinates 41.31° latitude and -80.25° longitude. Located in the mid-latitudes, Mercer County experiences distinct four-season weather patterns.
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 Mercer County?
The population of Mercer County is approximately 110,652 residents according to the latest available data (2026).
Where is Mercer County located?
Mercer County is located in United States at approximately 41.31° latitude and -80.25° longitude.
Is Mercer County one of the largest cities in United States?
With a population of 110,652, Mercer County is one of the notable urban areas in United States. It ranks #767 out of 867 cities in the country.
