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Uncovering the Spatial Heterogeneity of Gentrification

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Uncovering the Spatial Heterogeneity of Gentrification

An aerial view of the Denver, Colorado skyline.Gentrification affects neighborhoods in many American cities, but the particular pattern of resident outmigration is strongly influenced by the broader metropolitan context in which it occurs. Credit: RoschetzkyIstockPhoto/istockphoto.com

Although gentrification is a significant concern among affordable housing and community advocates, most research examining the significance and patterns of gentrification has produced inconsistent results. On February 12, 2021, the Joint Center for Housing Studies of Harvard University hosted a webinar in which Hyojung Lee, assistant professor in the Department of Apparel, Housing, and Resource Management at Virginia Tech, presented research into the relationship between gentrification and residential mobility. Lee undertook this research with Kristin Perkins, assistant professor of sociology at Georgetown University, who also fielded questions during the webinar. Lee and Perkins found a moderate increase in the chances of out-neighborhood migration by existing residents in a gentrifying neighborhood; however, the differing contexts of the neighborhoods’ broader metropolitan areas produce significant differences in these residents’ relocation patterns. Deriving more nuanced insights into the varying patterns of gentrification, Lee and Perkins suggest, can inform policies designed to ameliorate these displacement effects.

Different Urban Environments Experience Gentrification Differently

To learn how differing urban characteristics might affect neighborhood migration patterns, Lee and Perkins sorted the 100 largest metropolitan statistical areas (MSAs) according to 25 characteristics that describe cities’ population, socioeconomic condition, and housing, and they divided these MSAs into 6 general groupings: coastal and tech cities, immigrant gateways, southern and mountain cities, formerly industrial cities, Florida retirement cities, and cities in California’s Inland Empire and the Texas border region.

Within each city, Lee and Perkins classified each census tract as nongentrifying, gentrifying, or nongentrifying but gentrifiable, and they compared resident migration from gentrifying neighborhoods to gentrifiable neighborhoods using 1-year microdata from the 2011 to 2019 American Community Survey (ACS). This study defines a “gentrifiable” neighborhood as one that is located in a principal city of an MSA and having a median household income that is less than 80 percent of the MSA’s overall median income. A “gentrifying” neighborhood is a gentrifiable neighborhood that, compared with the MSA overall, has had an above-average increase in its share of college graduates and an above-average increase in median housing prices, as measured by either home value or gross rent.

Within cities, Lee and Perkins found a modestly higher instance of migration from gentrifying neighborhoods than from gentrifiable neighborhoods, which, says Lee, confirms previous research findings. Between cities, they found that the fast-growing metropolitan areas in the mountain states and in the south showed the highest level of movement out of gentrifying neighborhoods, surpassing levels in coastal and tech cities, the immigrant gateway cities, and the formerly industrial cities, which, according to Lee, surprised the researchers. One possible explanation for the level of movement out of mountain and southern cities could be an abundance of other housing opportunities, allowing residents priced out of their current neighborhoods to find more affordable options elsewhere in the MSA.

Next Steps

Lee says that uncovering the spatial heterogeneity of gentrification may help explain some of the inconsistencies or ambivalence of previous research, and this study’s findings raise significant questions for future research. Perkins described one such line of inquiry: whether local regulations, such as tenant protections, impact residential mobility. The pair is currently working to better understand the kinds of neighborhoods where outmigrants have relocated and the demographics of outmigrants.

Lee and Perkins argue that a more nuanced understanding of the process of gentrification is needed to design more effective policies to prevent displacement and promote housing choice and stability. Lee underscored the importance that collecting richer, more granular data played in their analysis, pointing out that these insights were possible thanks to a change in the data collected by the ACS: it was not until 2009 that the survey began tracking individual moves by previous address rather than just by Zip Code. As cities experience gentrification in increasingly divergent ways, Lee and Perkins’ work is a helpful step in crafting place-conscious, evidence-based solutions.

 
 
Published Date: 8 March 2021


The contents of this article are the views of the author(s) and do not necessarily reflect the views or policies of the U.S. Department of Housing and Urban Development or the U.S. Government.