About Rock County
Rock County is a city located in United States, in the Wisconsin region. According to the latest available data (2026), the population of Rock County is approximately 163,687 residents, making it the #494 most populous city in United States.
Globally, Rock County ranks #10,412 among the world's most populated cities.
Rock County City Statistics
| City | Rock County |
| Country |  United States |
| Population | 163,687 |
| Global Rank | #10,412 |
| Rank in United States | #494 of 867 cities |
| City Category | city |
| Region | Wisconsin |
| Latitude | 42.67 |
| Longitude | -89.07 |
| Data Year | 2026 |
Where is Rock County Located?
Rock County is located in United States, in the Wisconsin region, at coordinates 42.67° latitude and -89.07° longitude. Located in the mid-latitudes, Rock 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 Rock County?
The population of Rock County is approximately 163,687 residents according to the latest available data (2026).
Where is Rock County located?
Rock County is located in United States at approximately 42.67° latitude and -89.07° longitude.
Is Rock County one of the largest cities in United States?
With a population of 163,687, Rock County is one of the notable urban areas in United States. It ranks #494 out of 867 cities in the country.
