No, the census has never been delayed. Even when it was really hard to conduct.

[LiberalFighter]

4. I'm a genealogist.

I've reviewed over 2,500 censuses covering from 1850 to 1940. The majority of them were in rural areas. All censuses had date on each page and if stopped in the middle of the page the census taker would mark the new date. Back then based on my recollection of census taker name they would be assigned a complete township not including any villages or cities. I don't know if they did more than one census. But of course for cities it probably was different. I do recall some that were broken down by city precincts, wards or other districts.

The one thing I wish was known about each household was the person the census taker interviewed. It could be an adult member of the household, a child, a relative in the household, or a neighbor. The reason being that sometimes the info provided did not line up.