Population increases closer to the urban core, where most land is already developed, were weaker by comparison. Areas in darker shades of green ringing the core-city saw a larger population increase between 20 than census tracts that were lighter shades of green. In these locations, the existing suburban development pattern is extended on ample and more affordable land found further from the urban core.įigure 1: Census tract-level change in Charlotte and Houston Metros. Most notable is the strength of the population increases at the outer-suburban fringe of many metropolitan areas. The new subcounty data highlight some interesting patterns that were not as discernable on county-level maps. Small statistical areas called census tracts were the basis for a calculation of the 10-year population change. Most gains were concentrated in larger cities and their nearby suburbs, while most rural counties generally trended downward.Ī new visualization tool from the Tennessee State Data Center at the University of Tennessee, Knoxville, adds a higher level of resolution to the population changes occurring between 20 across the country. counties saw increases over the last decade. When detailed 2020 Census data was released in August 2021, the disparity of population change among the nation’s more than 3,000 counties was clear. How We Did It: Producing tract-level population change for the U.S.ĭownload GIS data: ( Shapefile 382 MB | File Geodatabase – 181MB) Try the Interactive Map: Explore detailed population change between 20 Census.įastest Growing Census Tracts: See the Fastest Growing Census Tracts Across the US and Each State
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