
 
 
April 2, 2020
2020 Census Fieldwork Delayed by COVID-19
Introduction 
Update Leave 
In a March 18, 2020, press release (CB20-RTQ.08), U.S. 
Another operation, Update Leave, covers not quite 5% of 
Census Bureau Director Steven Dillingham announced that 
households, located where residents are unlikely to receive 
the bureau was suspending all 2020 census field operations 
mail at their homes. Examples include across Puerto Rico 
until April 1 (but see the more detailed schedule, issued on 
and in other areas that have recently experienced natural 
March 21, below). This action, a response to the novel 
disasters. Enumerators update the addresses of these 
coronavirus disease first observed in 2019 (COVID-19) and 
households for the bureau’s master address file and drop off 
designated a pandemic by the World Health Organization 
paper census forms, invitations, and instructions for those 
on March 11, 2020, came at a critical time for the census. 
who choose to answer the census online, with telephone 
Although April 1 is the official Census Day, early data 
assistance if requested. Originally scheduled for March 15 
collection began in remote Toksook Bay, Alaska, on 
to April 17, the operation has been delayed and reset to end 
January 21. Other tightly timed field operations were 
on May 1. 
underway or imminent, including the bureau’s personal 
outreach to hard-to-count areas and groups. In-person visits 
Update Enumerate 
to nonresponding households, originally set for mid-May, 
During Update Enumerate, enumerators are to update the 
have been delayed by two weeks. Dr. Dillingham stated on 
addresses of, and interview in person, about 2,000 
March 18 that if “additional adjustments” became 
households in remote areas of northern Maine and southeast 
necessary, the bureau would communicate them “broadly 
Alaska. The operation began on March 16 and was to end 
and promptly.” The latest press release on the topic, dated 
on April 30. It has been suspended and the end date 
March 28 (CB20-RTQ.14), announced an extended 
extended until May 14. The bureau, to protect both census 
suspension of field operations, until April 15. The release 
takers and respondents from COVID-19, has directed that 
did not present another revised schedule for the individual 
enumerators conduct interviews outside homes, six feet 
operations, but noted that the bureau “continues to 
away from respondents. 
evaluate” them and “will communicate any further updates 
as soon as possible.” 
Mobile Questionnaire Assistance 
The plan for Mobile Questionnaire Assistance is to have 
This In Focus notes the various components of the bureau’s 
bureau staff help the public answer the census online at 
2020 census fieldwork, with their original and, as of March 
places frequented by large numbers of people, such as 
21, adjusted schedules. Whether the bureau will have to 
community centers and grocery stores. The operation was 
make further adjustments in the timing of all, or some, 
to occur from March 30 to July 31. The start has been 
components is uncertain. The In Focus will be updated to 
delayed until April 13—a date that now seems in 
reflect any new delays or developments.  
question—and the end until August 14. 
The Original Operational Schedule and 
Early Nonresponse Follow-Up 
March 21, 2020, Revision 
The purpose of this operation is to contact off-campus 
households around colleges and universities that have not 
The Initial Response Phase 
answered the census and reach students there before they 
Invitations to answer the census were mailed to about 95% 
depart for the summer or graduate. Originally set to begin 
of U.S. households from March 12 to March 20, 2020. By 
on April 9 and end on July 31, the operation has been 
April 1, 36.2% of the households had responded, according 
rescheduled to extend from May 7 until August 14. 
to a Census Bureau press release issued the same day 
(CB20-CN.36). The Census Bureau, before the pandemic, 
Nonresponse Follow-Up 
had strongly encouraged online responses as the fastest, 
The major follow-up effort, in which enumerators across 
easiest, most accurate way to complete the census, and 
the nation are to visit nonrespondents and collect their 
lately is promoting the internet for these advantages, plus 
census data in person, is considered essential for achieving 
no associated risk of contracting COVID-19. In addition, 
a complete, accurate census. The operation was originally 
the bureau is accepting completed paper questionnaires by 
scheduled for May 13 to July 31. The start has been delayed 
mail and responses by telephone. This initial phase of the 
to May 28 and the end until August 14.  
census, in which households are encouraged to respond 
soon after receiving their invitations, was to continue from 
Group Quarters: Campus Housing for Students 
March 12 to July 31. The adjusted schedule extends the 
Students living on campus are to be counted through their 
initial phase until August 14.  
colleges and universities as part of the bureau’s Group 
Quarters enumeration. Alternatively, students can answer 
the census online or on paper forms delivered at campus 
https://crsreports.congress.gov 
2020 Census Fieldwork Delayed by COVID-19 
housing and picked up there. Students who have left 
Count of Homeless People Outdoors 
campus housing, are staying elsewhere because of the 
On April 1, enumerators were to count homeless people 
COVID-19 situation, and intend to return to school still are 
living outdoors in locations where they are known to sleep, 
to report this housing as where they live—that is, their 
including under bridges and highway overpasses, in parks, 
usual residence. 
at rest stops, and at businesses that stay open all night. The 
operation has been delayed until May 1. 
Other Group Quarters: Nursing Homes, Prisons, 
and Other Institutional Facilities 
The Apportionment Deadline 
Census takers, in cooperation with the facilities’ 
By law (Title 13, U.S. Code, Section 141 (b)), the 2020 
administrators, are to enumerate these residents at the 
state census counts for apportioning seats in the U.S. House 
facilities. The operation was to begin on April 2 and end on 
of Representatives must be delivered to the President no 
June 5. It has been rescheduled for April 16 to June 19, and 
later than December 31, 2020. The fieldwork and myriad 
the bureau has asked administrators to choose options for 
other operations that support the census, resulting in the 
enumeration that will reduce in-person contact. 
state counts and corresponding numbers of House seats 
allocated to the individual states, are timed to allow for 
Service-Based Enumeration 
their completion, including final checks, before the legal 
In this operation, enumerators are to work with service 
deadline. The March 21 revised timeline for fieldwork 
providers to count homeless people at soup kitchens, 
shows delivery of the apportionment numbers as remaining 
shelters, and food vans that make scheduled stops. 
on schedule. Whether this schedule, too, may be affected if 
Originally set for March 30 to April 1, the operation has 
field operations are delayed further is uncertain.  
been rescheduled for April 29 to May 1. 
 
Count of People at Transitory Locations 
From April 9 to May 4, census takers were to enumerate 
 
people staying at campgrounds, recreational vehicle parks, 
hotels, and marinas, if they did not usually live elsewhere. 
 
The operation is now to begin on April 23 and end on May 
18.  
Jennifer D. Williams, Specialist in American National 
Government   
IF11486
 
 
https://crsreports.congress.gov 
2020 Census Fieldwork Delayed by COVID-19 
 
 
Disclaimer 
This document was prepared by the Congressional Research Service (CRS). CRS serves as nonpartisan shared staff to 
congressional committees and Members of Congress. It operates solely at the behest of and under the direction of Congress. 
Information in a CRS Report should not be relied upon for purposes other than public understanding of information that has 
been provided by CRS to Members of Congress in connection with CRS’s institutional role. CRS Reports, as a work of the 
United States Government, are not subject to copyright protection in the United States. Any CRS Report may be 
reproduced and distributed in its entirety without permission from CRS. However, as a CRS Report may include 
copyrighted images or material from a third party, you may need to obtain the permission of the copyright holder if you 
wish to copy or otherwise use copyrighted material. 
 
https://crsreports.congress.gov | IF11486 · VERSION 1 · NEW