Decennial Long Form Margins of Error

There's been some attempt at finding noise injected at the block level in the name of privacy just by looking for oddities like people without housing units, children without adults, and Steve Ruggles at IPUMS has been following that pretty closely @HistDem Of course there's no longer  a long form census (2000 was the last one) and the decennial census is not a survey so there's no sampling error, but there will be studies later to see if people were undercounted -- some details on that here

There's been some attempt at finding noise injected at the block level in the name of privacy just by looking for oddities like people without housing units, children without adults, and Steve Ruggles at IPUMS has been following that pretty closely @HistDem Of course there's no longer  a long form census (2000 was the last one) and the decennial census is not a survey so there's no sampling error, but there will be studies later to see if people were undercounted -- some details on that here