(Note: Below are notes in outline form. It remains to flesh this out into a proper section.)


  • parcel maps
  • addresses points (often as an E-911 database)
  • township boundaries
  • state legislative districts
  • congressional districts
  • public school districts
  • orthophotographs

Open Data Communities

Who wants this data.


Domain experts who are interested in open data and who might be willing to talk to you.