By law, the U.S. government is required to count the number of people living in the United States every 10 years. Getting an accurate count is important because census numbers impact daily life in the United States in many ways. For example, census data are often used to determine how much federal funding is allocated for important projects and services that benefit local communities. The census also plays a vital role in our nation’s system of government by determining how many representatives will be sent to Congress from each state.

Because getting an accurate count is so important, the process is designed to be fast, easy, and safe. On average, it takes no more than 10 minutes to answer the questions on the census.

How Are Census Data Collected?

During the first census in 1790, census takers visited nearly every U.S. home to gather data.

In 2020, households will have the option of responding online, by mail, or by phone. The Census Bureau expects many households to complete the questionnaire online, using instructions received in the mail. These instructions will also include information about how to respond by phone. Some households will receive a printed questionnaire that they can mail, postage-free, back to theCensus Bureau. A small percentage of households, primarily located in remote areas of the country, will be visited by a census taker who will help collect the necessary information to complete the form.

Who Receives the Census Questionnaire and How Is It Filled Out?

Most housing units in the United States that receive mail at their physical location will receive a letter by mail with instructions on how to complete the census questionnaire. Housing units include houses, apartments, cabins, mobile homes—pretty much any place where people live in the United States. In areas where the majority of housing units do not have mail delivered to their physical location, census workers will leave questionnaire packages at every identified housing unit.

The census process also includes special provisions to count people who are homeless and those in other types of living quarters, such as college dorms, military barracks, ships, prisons, nursing homes, and homeless shelters. The person in the housing unit who fills out the census questionnaire or talks to the census taker is known as Person 1. Typically, Person 1 is the owner/co-owner or renter/co-renter of the housing unit.

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2020 CA Census Guide

WHY DO WE TAKE THE CENSUS?

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HOW ARE CENSUS DATA USED?

ARE CENSUS DATA REALLY CONFIDENTIAL?

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