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The land area of Marion County, OR was 1,182 in 2018.

Land Area

Water Area

Land area is a measurement providing the size, in square miles, of the land portions of geographic entities for which the Census Bureau tabulates and disseminates data. Area is calculated from the specific boundary recorded for each entity in the Census Bureau's geographic database. Land area is based on current information in the TIGER® data base, calculated for use with Census 2010.

Water Area figures include inland, coastal, Great Lakes, and territorial sea water. Inland water consists of any lake, reservoir, pond, or similar body of water that is recorded in the Census Bureau's geographic database. It also includes any river, creek, canal, stream, or similar feature that is recorded in that database as a two- dimensional feature (rather than as a single line). The portions of the oceans and related large embayments (such as Chesapeake Bay and Puget Sound), the Gulf of Mexico, and the Caribbean Sea that belong to the United States and its territories are classified as coastal and territorial waters; the Great Lakes are treated as a separate water entity. Rivers and bays that empty into these bodies of water are treated as inland water from the point beyond which they are narrower than 1 nautical mile across. Identification of land and inland, coastal, territorial, and Great Lakes waters is for data presentation purposes only and does not necessarily reflect their legal definitions.

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

Geographic and Area Datasets Involving Marion County, OR

  • API

    "Electric Motor Only" Waterways in Oregon

    data.oregon.gov | Last Updated 2013-05-07T21:26:32.000Z

    Some waterbodies in Oregon have been designated "electric motor only" by Oregon Administrative Rule or statute. These waterbodies have been designated based on their topography, size and traditional boating uses.

  • 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.

  • API

    Activity By County And Waterbody

    data.oregon.gov | Last Updated 2011-11-07T15:55:34.000Z

    Triennial Survey Results for 2010

  • API

    Oregon Library Directory

    data.oregon.gov | Last Updated 2024-02-16T17:38:04.000Z

    This data contains basic contact and location information on public, academic, special, tribal, and volunteer libraries in Oregon. Data maintained by the State Library of Oregon.

  • API

    Certified Clean Marinas

    data.oregon.gov | Last Updated 2015-12-15T18:12:23.000Z

    The Oregon Clean Marina program is a voluntary program working to protect and improve local water quality by promoting the usage of environmentally sensitive practices at marinas. The program provides the opportunity for marinas, boatyards, yacht clubs, and floating home moorages to receive recognition for helping to establish and promote a cleaner marine environment for Oregon. If a facility is in compliance with existing environmental regulations and uses a high percentage of the recommended best management practices, it can be designated as an Oregon Clean Marina. Such certified marinas are authorized to fly the Clean Marina flag and use the logo in their advertising. The flag and logo are signals to boaters that a marina cares about the cleanliness of Oregon waterways. The program also provides information to marine facility managers on how to eliminate or reduce the input of polluting materials – such as oil, paint, cleaning chemicals, sewage, fish waste, and trash – into the environment.

  • API

    Total Boat Use By County

    data.oregon.gov | Last Updated 2011-11-07T15:55:05.000Z

    Triennial Survey Results for 2010

  • API

    Oregon County Weed Control Programs

    data.oregon.gov | Last Updated 2018-07-08T00:04:27.000Z

    List of contact information for all County Weed Control Programs in Oregon. See also https://data.oregon.gov/d/7bcd-yt35/data for Cooperative Weed Management Areas as well as which counties are served by each.

  • API

    Waterbodies In Rank Order

    data.oregon.gov | Last Updated 2013-04-11T16:39:26.000Z

    Triennial Survey Results -2008

  • API

    WAOFM - Census - Population and Housing, 2000 and 2010

    data.wa.gov | Last Updated 2021-09-01T17:20:31.000Z

    Population and housing information extracted from decennial census Public Law 94-171 redistricting summary files for Washington state for years 2000 and 2010.

  • API

    Floating Restroom Locations

    data.oregon.gov | Last Updated 2016-08-03T20:30:37.000Z

    This is a list of Oregon's floating restrooms on some of Oregon's most heavily used waterbodies. More than 3 million gallons of human waste is collected from these facilities each year...help keep our waterways clean and pristine -and use a floating restroom!