The following are terms frequently used when discussing the 2020 Census:

American Community Survey (ASC) is an ongoing survey that provides vital information on a yearly basis about our nation and its people. Through the ACS, we know more about jobs and occupations, educational attainment, veterans, whether people own or rent their homes, and other topics. Public officials, planners, and business use this information to assess the past and plan the future.

Apportionment is one of the most important functions of the decennial census. Apportionment measures the population so that seats in the U.S. House of Representatives can be correctly divided among the states.

Complete Count Committees are tribal, state, and local governments working together with community leaders to promote and encourage response to the 2020 Census in their communities.

Decennial Census is conducted every 10 years by the census bureau to determine the number of people living in the United States.

Group quarters are large facilities such as nursing homes, military barracks, college dorms, group homes, and prisons. Group quarters are counted separately by the census on designated days.

Hard to Count refers to people and communities that have historically been missed by the census. Hard-to-count populations include but are not limited to communities of color, immigrants, low-income households, and young-children.

Internet First refers to the census bureau’s plan to leverage the internet to make it easier for people to respond to the 2020 census while also offering paper and telephone response options.

Local Update of Census Addresses Operation (LUCA) is the only opportunity offered to tribal, state, and local governments to review and comment on the U.S. Census Bureau’s residential address list for their jurisdiction prior to the 2020 Census. The Census Bureau relies on a complete and accurate address list to reach every living quarters and associated population for inclusion in the census.

Partnership specialists are census employees who develop presentations, give briefings, conduct meetings and promote partnerships with various governments, local businesses and community groups.

Redistricting is the changing of legislative and Congressional boundaries according to census counts in accordance with the principle of one person, one vote set as the constitutional standard by the Supreme Court in the 1960s.

Service-Based Enumeration (SBE) provides an opportunity for people without conventional housing or people experiencing homelessness to be included in the census by enumerating them at places where they receive services or at pre-identified outdoor locations.