Empowered by Tyler Technologies
Refine Results

The population count of Clackamas County, OR was 405,788 in 2018. The population count of Multnomah County, OR was 798,647 in 2018. The population count of Clark County, WA was 465,384 in 2018.

Population

Population Change

Above charts are based on data from the U.S. Census American Community Survey | ODN Dataset | API - Notes:

1. ODN datasets and APIs are subject to change and may differ in format from the original source data in order to provide a user-friendly experience on this site.

2. To build your own apps using this data, see the ODN Dataset and API links.

3. If you use this derived data in an app, we ask that you provide a link somewhere in your applications to the Open Data Network with a citation that states: "Data for this application was provided by the Open Data Network" where "Open Data Network" links to http://opendatanetwork.com. Where an application has a region specific module, we ask that you add an additional line that states: "Data about REGIONX was provided by the Open Data Network." where REGIONX is an HREF with a name for a geographical region like "Seattle, WA" and the link points to this page URL, e.g. http://opendatanetwork.com/region/1600000US5363000/Seattle_WA

Demographics and Population Datasets Involving Clark County, WA or Multnomah County, OR or Clackamas County, OR

  • API

    Cooperative Weed Management Areas

    data.oregon.gov | Last Updated 2018-07-07T23:58:47.000Z

    List 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.