That would be Multnomah County,
home to two large Oregon cities, Portland and Gresham.
In 2010:
Multnomah County had a population of 735,334.
Portland has a population of 583,776.
Gresham had a population of 105,594.
Leaving just 45,964 in the unincorporated areas of Multnomah County.
6,747 - Jul 2008
Idanha
The largest country in population in Oregon is Multnomah County, which includes the city of Portland.
That would be Multnomah county, though smallest in area of the 36 Oregon counties, it is the most populous as its county seat, Portland, is the state's largest city. In 2010, the county had a population of 735,334.
Yes it is the County with the largest area in Oregon.
According to the 2010 census, Lonerock, Oregon in Gilliam county was Oregon's smallest incorporated city with a population of 21. Greenhorn, Oregon might be smaller but it had a population in 2000 and 2010 of 0 (Zero) so it technically is not a city.
New York's largest county by population is Kings County. At the 2010 Census, the population of Kings County was 2,504,700. The second largest county is Queens County with a population of 2,230,722.
According to census.gov, Multnomah County, Oregon, has the most population at 701,986 people in 2007.
Marion County, which encompasses the city of Indianapolis, has the largest population in Indiana.
As of 2020, the population of Harney County, Oregon was around 7,300 people.
SIZE: The largest Minnesota county by size is St. Louis County (6,226 square miles). POPULATION: The largest Minnesota county by population is Hennepin County (population of 1,116,200).
St. Louis County is the largest county by population in Missouri, with over 1 million residents.
Shelby is the largest county in Tennessee based on both population and on area. As of the 2010 census, Shelby County had a population of 927,644. Davidson County is the second largest county in Tennessee with a population of 569,891.
Nye County, population 38,180, is the second largest county in the United States!