It has long bothered me that small geographies have to rely on 5-year sample estimates, but there is observable structural bias in those estimates. Namely, previous year observations are inflated using CPI growth, which differs nationally (much less regionally) ...

I published a blog post looking at some of the questions ACS data users have asked most often over the past decade: https://federaldataforum.prb.org/acsdatausersgroup/blogs/mark-mather/2026/06/01/what-acs-data-users-want-to-know What topics, ...

Dear Lorna, I've done some work with the SPM. Have you looked at https://www.census.gov/content/dam/Census/library/working-papers/2020/demo/SEHSD-WP2020-09.pdf yet? The SPM data file combines data from the ASEC Microdata (N= approx 95,000 households ...

For what it is worth, I have had persistent issues with the API interface when downoloading both ACS tables (B S C etc) and PUMS data. I have communicated with the people at American Community Survey Operations (ACSO) and the usual answer is that they ...

Mark, I'm seeing a similar error, so this may be an issue on the Census Bureau platform. Have you checked NHGIS to see if they have the data you need? https://www.nhgis.org/ ------------------------------ Mark Mather Associate VP PRB ------ ...