The antonyms for the word "censused" can be multiple, depending on the context in which it's used. If we consider the word in its literal meaning, the antonyms could be not surveyed, overlooked, or ignored. However, if we talk about a different context, such as in politics, the antonyms could be underrepresented or misrepresented. Another possible antonym is not counted or unaccounted. It all depends on how the word is used and what we are implying by its use. In any case, it's important to understand the different meanings and contexts of a word before trying to find its antonyms.