TLDR: Gap analysis to identify what's covered/not, and prioritize/organize data collection efforts - Should use FIPS/GNID for unique identification (instead of strings) https://www.census.gov/popest/about/geo/codes.html / https://www.census.gov/popest/about/geo/all_geocodes_v2013.xls - Can crosswalk to Issues by adding something like `(id=1234)` to issue names and hitting the GitHub API - Ideally be able to sort by most-populous, not-covered regions by bringing in Census population estimates