This special section presents research that will surprise many Pacific Northwesterners. Included are maps, photos, documents, and newspaper articles that follow the history of segregation in Seattle and King County from 1920 until today.

Mapping Inequality opens the Home Owners' Loan Corporation files at the National Archives to scholars, students, and residents and policy leaders in local communities. This site makes the well-known security maps of HOLC available in digital form, as well as the data and textual assessments of the area descriptions that were created to go with the maps.

This site from Brown University allows the user to view diversity data for several geographical types (metropolitan, micropolitan, county, state, place) and calculate the diversity index, which "indicates how far a community’s population composition departs from perfect homogeneity."