About Washington County
Washington County is a city located in United States, in the Rhode Island region. According to the latest available data (2026), the population of Washington County is approximately 129,839 residents, making it the #632 most populous city in United States.
Globally, Washington County ranks #12,677 among the world's most populated cities.
Washington County City Statistics
| City | Washington County |
| Country |  United States |
| Population | 129,839 |
| Global Rank | #12,677 |
| Rank in United States | #632 of 867 cities |
| City Category | city |
| Region | Rhode Island |
| Latitude | 41.4545 |
| Longitude | -71.5812 |
| Data Year | 2026 |
Where is Washington County Located?
Washington County is located in United States, in the Rhode Island region, at coordinates 41.4545° latitude and -71.5812° longitude. Located in the mid-latitudes, Washington 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 Washington County?
The population of Washington County is approximately 129,839 residents according to the latest available data (2026).
Where is Washington County located?
Washington County is located in United States at approximately 41.4545° latitude and -71.5812° longitude.
Is Washington County one of the largest cities in United States?
With a population of 129,839, Washington County is one of the notable urban areas in United States. It ranks #632 out of 867 cities in the country.
