What Art says is correct, this was not unusual to make and use their own forms for taking the census in these 1790-1820 census pages. I have come across many of those in the North Carolina census for those years where in some cases you can see the hand drawn lines, crooked, all the way across the page, on scraps of paper, with no headings, making it difficult to tell for sure which person the figures belonged to. Apparently, not every district received the proper forms, or it was up to each census taker to make their own. But one can get around this for any census year, by downloading a blank copy of the census pages and match the columns to the handwritten pages of the actual census. Several websites offer free blank forms for that purpose, including Ancestry.com, and it makes it so much easier to understand what each census column means.

Deloris