| | 2 foot contours (LiDAR-derived) | 2' contours derived from 2004, 2005 and 2007 LiDAR data. All contours derived from bare-earth LiDAR point returns. The bare earth returns are a representation of the Earth's surface where all man-made structures and vegetation have been removed. | Land | 10/07/14 11:42 AM |
 | 2007 Census Block Population | 2007 Census Population Estimates for Multnomah, Clackamas and Washington Couties of Oregon and Clark County Washington. | Census | 12/23/20 11:34 AM |
| | 2010 Census Block Groups | A Census Block Group is a geographical unit used by the United States Census Bureau which is between the Census Tract and the Census Block. It is the smallest geographical unit for which the bureau publishes sample data, i.e. data which is only collected from a fraction of all households. | Census | 05/04/20 04:28 PM |
| | Active Use Lines | | Zoning Code | 07/30/21 07:36 PM |
| | Additonal OS Uses (Retail Sales and Services) | Areas where additional retail use and services allowed in Open Space zones in South Reach | Zoning Code | 07/30/21 07:36 PM |
| | Adopted Area Plans | Adopted area plans with year and ordinance information. Boundary of plans represents time of adoption. | Planning | 03/31/23 09:21 PM |
 | Adopted Community Plans | Adopted community plans with year and ordinance information. Boundary of plans represents time of adoption. | Planning | 09/16/20 04:50 PM |
| | Adopted Natural Resource Plans | Natural Resource Plans as adopted | Planning | 08/13/20 07:07 AM |
| | Adopted Neighborhood Plans | Adopted neighborhood plans shown with ordinance and year. Plan boundary consistent with boundary at time of adoption. | Planning | 08/18/20 08:18 AM |
| | Aircraft Landing Overlay Zone | The Aircraft Landing Overlay Zone provides safer operating conditions for aircraft in the vicinity ofPortland International Airport by limiting the height of structures, vegetation, andconstruction equipment. https://www.portlandoregon.gov/bps/article/53338 | Zoning Code | 07/30/21 07:42 PM |