I agree Geocorr is a great resource for this, but I'd strongly recommend against a simple 116th to 118th crosswalk if you can avoid that. Instead, I'd crosswalk from smaller units to 118th CDs... blocks, block groups, tracts, county subdivisions... whatever…

Doing multiple time points to track the "over time" relationship between broadband access and income is a much harder problem. I would set that aside for now.  Do a "cross-sectional" analysis for a single time point, for example the 2016-2020…

Dear Tim,

Great to meet you and thanks for reviewing my first post.

I did look into the HUD "Point-in-Time" census, which is done in January every year. The reason that I am looking into ACS data is because I would like to get data for cities and towns…

Hi. Is it possible that when choosing a different year, you're clicking on the 1-year estimate instead of the 5-year estimate?

The 1-year estimates don't have ZCTA-level data.

If this isn't the issue, could you describe in more detail what steps…

I would be pretty careful with Group Quarters and their characteristics with DP.  I was working on something in West Feliciana which has Angola Prison, one of the largest if not the largest  maximum security prison in the United States with over 5,000 inmates…