2020 LUCA Assistance


The Local Update of Census Addresses Operation (LUCA) is the only opportunity offered to local governments to review and comment on the U.S. Census Bureau’s residential address list for their jurisdiction.  Municipal and county governments have a chance to participate which can help ensure an accurate census for your community.

LUCA is a voluntary, once-a decade opportunity for local governments to review and update the Census Bureau’s residential address list for their government prior to the decennial census.  By participating in LUCA, you may update the Census Bureau’s address list by correcting, adding and/or deleting addresses.  You may also identify any nonresidential addresses and those not located within your government’s legal boundaries.

The purpose of the decennial census is not only to appropriate seats to the U.S. House of Representatives.  Census data is used in the distribution of federal funds for over 1,000 programs administered by 26 federal agencies, to provide statistical support for grant applications that fund community and regional development, education, agriculture, energy, and environmental programs, and to help your community better plan for future needs.

How IPDC Can Assist

Participating governments are authorized to designate an alternate reviewer such as a regional planning agency to complete their jurisdiction’s LUCA on their behalf. IPDC is happy to offer LUCA assistance to member governments.

You will receive an invitation from the U.S. Census Bureau to participate in the 2020 LUCA.  This invitation should have reached you in July, 2017.  We encourage all member governments to participate in order to ensure our region is properly represented for years to come.

If you wish for IPDC to assist your local government in handling the LUCA process, here are the steps that must be taken:

Local Government Responsibility:

  1. Register ‘yes’ for 2020 LUCA  participation before December 15th, 2017.
  2. Designate IPDC as your LUCA liaison to guide the entire review process.
  3. Provide any necessary materials to IPDC that may be needed to conduct the scope of work.

IPDC Responsibility:

  1. Review of the 2020 Census LUCA Address Count for your local government.
  2. Geocode the local, digital-format address list (found on the 2020 LUCA website).
  3. Use this information to generate address count tallies to compare to Census Bureau tallies.
  4. Utilization of new Geographic Update Partnership Software (GUPS) for GIS work.
  5. Finalize the process by updating the Census address list for your jurisdiction.


July 2017

  • An invitation letter and registration forms mailed out to local governments

October 2017 – February 2018

  • IPDC staff to attend LUCA training workshops

February 2018

  • Participation materials will be mailed to registered participants/LUCA liaison
  • IPDC to complete local government LUCA operation
  • Materials must be completed within 120 days

August 2019

  • Feedback materials offered to participants with results of Address Canvasing

April 1st, 2020

  • Census Day

Cost Estimate

Based upon guidance from the U.S. Census Bureau, IPDC has determined that staff will spend a minimum of 12 hours per LUCA operation.  Utilizing the IPDC rate of $45 per hour, the minimum cost will be $540.00.

For work taking more than 12 hours, IPDC will bill on a per hour basis.

2020 LUCA FAQ from the Census Bureau

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