Geospatial evaluation of San Francisco, California’s homeless encampment sweeps injunction

IntroductionHomelessness remains a pervasive issue in many communities within the United States (US). “Sit-lie” policies restrict where individuals can sit or lie down in public places and are frequently passed and cited to forcibly re-locate individuals experiencing homelessness. In December 2022,...

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Main Authors: Sean G. Young, Vincent Truong, William P. Watson, Cari A. Bogulski
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-02-01
Series:Frontiers in Public Health
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Online Access:https://www.frontiersin.org/articles/10.3389/fpubh.2025.1516105/full
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author Sean G. Young
Vincent Truong
William P. Watson
Cari A. Bogulski
author_facet Sean G. Young
Vincent Truong
William P. Watson
Cari A. Bogulski
author_sort Sean G. Young
collection DOAJ
description IntroductionHomelessness remains a pervasive issue in many communities within the United States (US). “Sit-lie” policies restrict where individuals can sit or lie down in public places and are frequently passed and cited to forcibly re-locate individuals experiencing homelessness. In December 2022, a federal judge issued a temporary injunction of San Francisco, California’s sit-lie policy, due to a pending lawsuit arguing that the enforcement of such policies when shelter cannot be offered is a violation of the Eighth Amendment of the US Constitution.MethodsTo examine the effects of this preliminary injunction, we spatially examined data from San Francisco’s 311 reporting system to identify encampment report hot spots.Results and discussionOverall, we found spatial shifting of encampment reporting, but fewer reports overall during the preliminary injunction period, relative to 1 year prior. Future work should examine the effect of the reversal of the injunction following a recent Supreme Court decision and subsequent ruling by the Ninth Circuit Court of Appeals.
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spelling doaj-art-e6642874e058402a91f636031714a9372025-02-05T07:32:29ZengFrontiers Media S.A.Frontiers in Public Health2296-25652025-02-011310.3389/fpubh.2025.15161051516105Geospatial evaluation of San Francisco, California’s homeless encampment sweeps injunctionSean G. Young0Vincent Truong1William P. Watson2Cari A. Bogulski3Peter O’Donnell Jr. School of Public Health, University of Texas Southwestern Medical Center, Dallas, TX, United StatesPeter O’Donnell Jr. School of Public Health, University of Texas Southwestern Medical Center, Dallas, TX, United StatesDepartment of Health Policy and Management, Fay W. Boozman College of Public Health, University of Arkansas for Medical Sciences, Little Rock, AR, United StatesDepartment of Biomedical Informatics, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, United StatesIntroductionHomelessness remains a pervasive issue in many communities within the United States (US). “Sit-lie” policies restrict where individuals can sit or lie down in public places and are frequently passed and cited to forcibly re-locate individuals experiencing homelessness. In December 2022, a federal judge issued a temporary injunction of San Francisco, California’s sit-lie policy, due to a pending lawsuit arguing that the enforcement of such policies when shelter cannot be offered is a violation of the Eighth Amendment of the US Constitution.MethodsTo examine the effects of this preliminary injunction, we spatially examined data from San Francisco’s 311 reporting system to identify encampment report hot spots.Results and discussionOverall, we found spatial shifting of encampment reporting, but fewer reports overall during the preliminary injunction period, relative to 1 year prior. Future work should examine the effect of the reversal of the injunction following a recent Supreme Court decision and subsequent ruling by the Ninth Circuit Court of Appeals.https://www.frontiersin.org/articles/10.3389/fpubh.2025.1516105/fullhomelessnessencampmentspublic policy311 datacluster detectionhot spot analysis
spellingShingle Sean G. Young
Vincent Truong
William P. Watson
Cari A. Bogulski
Geospatial evaluation of San Francisco, California’s homeless encampment sweeps injunction
Frontiers in Public Health
homelessness
encampments
public policy
311 data
cluster detection
hot spot analysis
title Geospatial evaluation of San Francisco, California’s homeless encampment sweeps injunction
title_full Geospatial evaluation of San Francisco, California’s homeless encampment sweeps injunction
title_fullStr Geospatial evaluation of San Francisco, California’s homeless encampment sweeps injunction
title_full_unstemmed Geospatial evaluation of San Francisco, California’s homeless encampment sweeps injunction
title_short Geospatial evaluation of San Francisco, California’s homeless encampment sweeps injunction
title_sort geospatial evaluation of san francisco california s homeless encampment sweeps injunction
topic homelessness
encampments
public policy
311 data
cluster detection
hot spot analysis
url https://www.frontiersin.org/articles/10.3389/fpubh.2025.1516105/full
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AT vincenttruong geospatialevaluationofsanfranciscocaliforniashomelessencampmentsweepsinjunction
AT williampwatson geospatialevaluationofsanfranciscocaliforniashomelessencampmentsweepsinjunction
AT cariabogulski geospatialevaluationofsanfranciscocaliforniashomelessencampmentsweepsinjunction