Thursday, Sep 14, 2017

ATTENTION: City, Town, County, and Tribal Governments

It's time to prepare for the Census 2020 Update by participating in the Local Update of Census Addresses (LUCA) training workshop. Deadline for registration is December 15, 2017.

What is LUCA?

LUCA is the only opportunity offered to 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. 

Who Can Participate?

Active, functioning governments are eligible to participate in LUCA for areas including:

  • Federally recognized tribes with a reservation or off-reservation trust lands;
  • States;
  • Counties;
  • Cities (incorporated place); and
  • Townships (minor civil divisions).

Why Participate?

  • Governments that participate in the LUCA operation help ensure an accurate decennial census count for their communities.
  • An accurate count helps the federal government annually allocate more than $400 billion across 26 federal agencies for tribal, state, and local government programs and services.
  • To help your community plan for future needs.

What is the LUCA Schedule?

Oct 2017:  Training workshops begin. Self-training aids and Webinars will be available online at the LUCA website.

Dec 2017:  Deadline to register for LUCA.

Feb 2018:  Participation materials mailed to registered participants.

Aug 2019:  Feedback materials offered to participants with the results of address canvassing.

Apr 1, 2020:  Census Day.

Registration Info

  • The Census Bureau mailed LUCA invitations and forms [ZIP] to the TC or HEO for every legally functioning entity in the United States and Puerto Rico including
    • Cover sheet for mailing purposes
    • D-2060 or D-2061 - Invitation letter
    • D-2002 - Registration Form
    • D-2003 or D-2003(SG) - Product Preference Form
    • D-2005 - Confidentiality Agreement
    • D-2006 - Self Assessment Security Checklist
    • D-2013 - Registration Instructions
    • D-2004 - Confidentiality and Security Guidelines
    • D-2101 - 2020 Census Local Update of Census Addresses Operation (LUCA) Information Guide

    To register for LUCA, TCs/HEOs should return completed forms (D-2002, D-2003/D-2003(SG), D-2005, and D-2006) to the Census Bureau by December 15, 2017.

    The following items were mailed to those contacts who have participated in other geographic programs. The purpose of this mailing is to notify contacts that we have mailed the registration information to their TC/HEO. Contacts should contact their TC/HEO to discuss participation in the LUCA Operation.
    • Cover sheet for mailing purposes
    • Invitation letter
  • To see which governments have registered for LUCA, view the Registered LUCA Participants map.

Workshops and Training

LUCA Promotional Workshops

Current Schedule of LUCA Promotional Workshops [XLS] | [PDF]Census Bureau will update this list weekly. For questions regarding the promotional workshops, call 1-844-344-0169, or email us at

If you are unable to attend a LUCA promotional workshop, you can view the LUCA promotional webinar presented to the Kentucky Association of Mapping Professionals on April 27, 2017

To determine the regional office for your state, view the Census Bureau Regional Office Map [PDF].


LUCA Promotional Presentation

The 2020 Census LUCA Promotional Presentation [PDF] and the accompanying 2020 LUCA Promotional Presentation Script[PDF] provide basic information about LUCA, the importance of participating in LUCA, and how to prepare for LUCA.


How Can I Review The Address Block Counts for My Entity?


The 2020 Census LUCA Address Block Count files are available for download from our FTP site. Please select American Indian Areas, a state, the District of Columbia or Puerto Rico from the menu below. For the states, DC and PR, after you select your state, click on the folder of your entity type (county, place, or mcd for Minor Civil Divisions) or use the Address Block Count List Locator file to determine which folder your entity's Address Block Count file is stored in. More information about opening and saving as a Microsoft Excel file. [PDF]



To view your Address Block Counts on a map, download the block layer 2016 TIGER/Line shapefiles for your state and follow the instructions for Joining Census Data to TIGER/Line Shapefiles [PDF]. We also have detailed instructions on downloading and working with TIGER/Line Shapefiles.

Geocoding Your Address List

To help your government prepare for LUCA, we suggest governments obtain Census geocodes for their addresses. This will allow governments to compare their address counts by block to the Census Bureau’s address counts by block, which are available using the drop-down menu above. To geocode your address list, governments with fewer than 10,000 addresses can use the Census Geocoder, and governments with over 10,000 addresses can use the LUCA Geocoding Service. To use the LUCA Geocoding Service, follow the Instructions for the LUCA Geocoding Service [PDF].


Where Can I Find More Information?


Keep checking back for more information on LUCA!



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