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Mapping tribal and specialized geographies on data.census.gov and TidalWeb
Summary
Census staff explained legal vs statistical tribal geographies (reservations, off-reservation trust lands, tribal subdivisions, OTSAs) and recommended TidalWeb for map-only exploration; they demonstrated Fort Peck and Navajo Nation examples.
Mendez distinguished legal and statistical American Indian, Alaska Native and Native Hawaiian areas and cautioned users to pick appropriate tables when seeking race data. "The legal entities include federally recognized American Indian reservations and off reservation trust areas," she said, and outlined statistical areas (ANVSA, OTSAs, tribal designated statistical areas) that the Census uses to tabulate data.
She demonstrated drilling to the Fort Peck Indian Reservation and selecting tribal subdivision remainders for the Navajo Nation reservation, showing how specific portions are included or excluded (for example, how Hopi reservation pieces may not be included when selecting a particular remainder). Mendez also recommended the mapping-only application TidalWeb for viewing geographic outlines without data and reminded users that certain race tables (for example B02001) must be chosen to retrieve race breakdowns for these geographies.
She closed with resource information and offered the contact census.data@census.gov for follow-up and usability testing participation.
