About Hamilton County
Hamilton County is a city located in United States, in the Indiana region. According to the latest available data (2026), the population of Hamilton County is approximately 347,467 residents, making it the #215 most populous city in United States.
Globally, Hamilton County ranks #5,306 among the world's most populated cities.
Hamilton County City Statistics
| City | Hamilton County |
| Country |  United States |
| Population | 347,467 |
| Global Rank | #5,306 |
| Rank in United States | #215 of 867 cities |
| City Category | city |
| Region | Indiana |
| Latitude | 40.07 |
| Longitude | -86.05 |
| Data Year | 2026 |
Where is Hamilton County Located?
Hamilton County is located in United States, in the Indiana region, at coordinates 40.07° latitude and -86.05° longitude. Located in the mid-latitudes, Hamilton 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 Hamilton County?
The population of Hamilton County is approximately 347,467 residents according to the latest available data (2026).
Where is Hamilton County located?
Hamilton County is located in United States at approximately 40.07° latitude and -86.05° longitude.
Is Hamilton County one of the largest cities in United States?
With a population of 347,467, Hamilton County is one of the notable urban areas in United States. It ranks #215 out of 867 cities in the country.
