About how many people did the us census bureau count in the usa in 2020?

329,536,858.

Explanation:

Census in the United States of America is conducted every decade (ten years) to determine the population of the country and also to know how to make budget and plans which will improve the lives of the citizens.

As of 19th day of the month of April, 2020, the population of the United States of America is 329,536,858 with States such as California, Texas, Florida and New York topping the list of the most populous states in the United States of America.