2000 Portland neighborhood demographic data in Excel file 2000 Portland neighborhood census data in Excel file. Note overlap areas are listed as separate neighborhoods with both neighborhood names. General 2000 Census Data For other 2000 census information, please visit www.census.gov. 2000 Census for Portland Neighborhoods (PortlandMap.com) This link will take you to the PortlandMaps application. 2000 census information has been organized by neighborhoods. Enter a street address or intersection, click "search" and then click on "census" in the upper right-hand corner for this information.