Technical Support

Online Tutorials

For an introduction to the IPUMS Terra extract builder, please see our brief tutorials

  • Creating an Area-level Extract: PDF, video
  • Creating a Microdata Extract: PDF, video
  • Creating a Raster Extract: PDF, video

For an introduction to TerraScope, please see these videos

Questions and answers

For specific questions about the data or website, please search for an answer on our User Forum. You can also ask a question there, which one of our staff members or a fellow user will answer.

User Feedback / Errors

We also welcome suggestions and feedback about errors, inconsistencies, or ambiguities in the data and documentation. Please send feedback to