About Pennington County
Pennington County is a city located in United States, in the South Dakota region. According to the latest available data (2026), the population of Pennington County is approximately 109,222 residents, making it the #779 most populous city in United States.
Globally, Pennington County ranks #14,554 among the world's most populated cities.
Pennington County City Statistics
| City | Pennington County |
| Country |  United States |
| Population | 109,222 |
| Global Rank | #14,554 |
| Rank in United States | #779 of 867 cities |
| City Category | city |
| Region | South Dakota |
| Latitude | 44.01 |
| Longitude | -102.82 |
| Data Year | 2026 |
Where is Pennington County Located?
Pennington County is located in United States, in the South Dakota region, at coordinates 44.01° latitude and -102.82° longitude. Located in the mid-latitudes, Pennington 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 Pennington County?
The population of Pennington County is approximately 109,222 residents according to the latest available data (2026).
Where is Pennington County located?
Pennington County is located in United States at approximately 44.01° latitude and -102.82° longitude.
Is Pennington County one of the largest cities in United States?
With a population of 109,222, Pennington County is one of the notable urban areas in United States. It ranks #779 out of 867 cities in the country.
