2020 Adjusted Urban Area Boundaries

The FHWA-adjusted urban area boundaries for 2020 were officially approved in December 2024. The raw urban area boundaries were initially released by the US Census Bureau on December 29, 2022. The process of defining the updated adjusted urban boundaries for the 2020 Census data is still in progress. Feeds into the 2020 Adjusted Urban Area Boundaries web map.2020年经美国联邦公路管理局（Federal Highway Administration, FHWA）调整的城镇区域边界已于2024年12月正式获批。原始城镇区域边界数据最初由美国人口普查局（United States Census Bureau, US Census Bureau）于2022年12月29日发布。针对2020年人口普查数据的更新调整后城镇边界的界定工作仍在进行中。该数据集将为2020年调整后城镇区域边界网页地图提供数据支撑。