What does the U. S. census learn about people living in a district?

A. Their religious and political affiliation

B. How many children they plan on having

O C. Their age, gender, and ethnic origin

O D. Whether they drink more tea or coffee

C.) Their age, gender, and ethnic origin

Explanation:

The U. S. census is sent out every ten years to learn the population number of the united states. They count adults and kids, taking their age, gender, and ethnic origin into consideration while taking in this information. They even have people who don't have homes take the census!