About Arlington County
Arlington County is a city located in United States, in the Virginia region. According to the latest available data (2026), the population of Arlington County is approximately 238,643 residents, making it the #321 most populous city in United States.
Globally, Arlington County ranks #7,628 among the world's most populated cities.
Arlington County City Statistics
| City | Arlington County |
| Country |  United States |
| Population | 238,643 |
| Global Rank | #7,628 |
| Rank in United States | #321 of 867 cities |
| City Category | city |
| Region | Virginia |
| Latitude | 38.8803 |
| Longitude | -77.1083 |
| Data Year | 2026 |
Where is Arlington County Located?
Arlington County is located in United States, in the Virginia region, at coordinates 38.8803° latitude and -77.1083° longitude. Arlington 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 Arlington County?
The population of Arlington County is approximately 238,643 residents according to the latest available data (2026).
Where is Arlington County located?
Arlington County is located in United States at approximately 38.8803° latitude and -77.1083° longitude.
Is Arlington County one of the largest cities in United States?
With a population of 238,643, Arlington County is one of the notable urban areas in United States. It ranks #321 out of 867 cities in the country.
