There are 36 counties in the U.S. State of Oregon. The Oregon Constitution does not explicitly provide for county seats; Article VI, covering the "Administrative Department" of the state of …

Dec 5, 2025 · This Oregon county lines map tool shows Oregon county lines on Google Maps. You can also show county name labels on the map by checking the box in the lower left corner …

Jan 13, 2025 · Check the list of 36 Counties in Oregon and their County Seats in alphabetical order by populations, areas, date of formation and more at Whereig.com.

The county is both the smallest in size and largest in population in Oregon. Over half its people live in Portland, a busy metropolis dominated by rivers and greenery.

Map and list of Oregon’s 36 counties and their county seats. Explore a clean county map, county–seat pairs, and related GIS references for Oregon State.

To change the number of counties displayed, use the drop-down menu above the upper left-hand corner of the table. You can also use the search bar above the upper-right corner of the table …

The Portland MSA (Metropolitan Statistical Area) is comprised of five Oregon counties and two counties from Washington State. They are: Columbia, Washington, Yamhill, Multnomah, and …

Nov 16, 2024 · Oregon has 36 counties. The most populous counties are Multnomah County (Portland), Washington County, Clackamas County, Lane County (Eugene), Marion County …

With a population of 735,334, this county is the most populated in Oregon, despite it being the smallest county in area. Its county seat is Portland, the largest state in the city.

Portland’s three counties, known as the tri-county area, are three of Oregon’s most populated counties, with 1,837,201 total residents, according to Census.gov ‘s 2020 report. Multnomah …