Food Deserts

Dataset is an overview of food access indicators for low-income and other census tracts using different measures of supermarket accessibility. This dataset provides food access data for populations within census tracts; and offers census-tract-level data on food access that can be used for community planning or research purposes. Data from USDA Economic Research Service (ERS) Food Access Research Atlas, 2019. Last updated 4/27/2021. See also USDA map service at https://gisportal.ers.usda.gov/server/rest/services/FARA/FARA_2019/MapServer.本数据集针对低收入人口普查区（census tract）及其他普查区域，采用多种超市可达性评估指标，提供了食物获取相关指标的综合概览。本数据集涵盖了普查区内人口的食物获取数据，并提供了普查区层级的食物获取信息，可用于社区规划或学术研究。本数据集的数据来源于2019年美国农业部（United States Department of Agriculture, USDA）经济研究服务局（Economic Research Service, ERS）发布的《食物获取研究图集（Food Access Research Atlas）》，最后更新于2021年4月27日。另可访问美国农业部地图服务平台：https://gisportal.ers.usda.gov/server/rest/services/FARA/FARA_2019/MapServer。