The population count of Marion County, OR was 335,553 in 2018. The population count of Polk County, OR was 81,427 in 2018. The population count of Cowlitz County, WA was 105,112 in 2018.
Population
Population Change
Above charts are based on data from the U.S. Census American Community Survey | ODN Dataset | API -
Demographics and Population Datasets Involving Cowlitz County, WA or Polk County, OR or Marion County, OR
- API
Cooperative Weed Management Areas
data.oregon.gov | Last Updated 2018-07-07T23:58:47.000ZList of contact information for all Cooperative Weed Management Areas in Oregon, including associations with county programs. See also https://data.oregon.gov/d/9ut9-4jvn/data for County Weed Control Programs.