About Sullivan County
Sullivan County is a city located in United States, in the Tennessee region. According to the latest available data (2026), the population of Sullivan County is approximately 158,163 residents, making it the #514 most populous city in United States.
Globally, Sullivan County ranks #10,748 among the world's most populated cities.
Sullivan County City Statistics
| City | Sullivan County |
| Country |  United States |
| Population | 158,163 |
| Global Rank | #10,748 |
| Rank in United States | #514 of 867 cities |
| City Category | city |
| Region | Tennessee |
| Latitude | 36.51 |
| Longitude | -82.3 |
| Data Year | 2026 |
Where is Sullivan County Located?
Sullivan County is located in United States, in the Tennessee region, at coordinates 36.51° latitude and -82.3° longitude. Sullivan 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 Sullivan County?
The population of Sullivan County is approximately 158,163 residents according to the latest available data (2026).
Where is Sullivan County located?
Sullivan County is located in United States at approximately 36.51° latitude and -82.3° longitude.
Is Sullivan County one of the largest cities in United States?
With a population of 158,163, Sullivan County is one of the notable urban areas in United States. It ranks #514 out of 867 cities in the country.
