About Multnomah County
Multnomah County is a mid-sized city located in United States, in the Oregon region. According to the latest available data (2026), the population of Multnomah County is approximately 815,428 residents, making it the #78 most populous city in United States.
Globally, Multnomah County ranks #2,272 among the world's most populated cities.
Multnomah County City Statistics
| City | Multnomah County |
| Country | |
| Population | 815,428 |
| Global Rank | #2,272 |
| Rank in United States | #78 of 867 cities |
| City Category | mid-sized city |
| Region | Oregon |
| Latitude | 45.54 |
| Longitude | -122.41 |
| Data Year | 2026 |
Population Comparison
To put Multnomah County's population of 815,428 into perspective:
- Multnomah County has over 815,000 residents.
Where is Multnomah County
Located?
Multnomah County is located in United States, in the Oregon region, at coordinates 45.54° latitude and -122.41° longitude. Located in the mid-latitudes, Multnomah 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 Multnomah County?
The population of Multnomah County is approximately 815,428 residents according to the latest available data (2026).
Where is Multnomah County located?
Multnomah County is located in United States at approximately 45.54° latitude and -122.41° longitude.
Is Multnomah County one of the largest cities in United States?
With a population of 815,428, Multnomah County is one of the notable urban areas in United States. It ranks #78 out of 867 cities in the country.