The crossword solutions for the term CENSUS CHECKBOX are SEX (3 letters) and OTHER (5 letters). A census checkbox is a form of survey used to collect data from a population. It typically includes questions about gender, age, ethnicity, and OTHER demographic information. The two solutions, SEX and OTHER, refer to two of the categories that are commonly included in a census checkbox. SEX refers to the gender of the respondent, while OTHER refers to any additional information that may be requested.