United States. Department of Commerce. "Local Area Personal Income, 2018 : Tables: Metropolitan Area, BEA 19-60," United States Department of Commerce News (November 14, 2019). https://fraser.stlouisfed.org/title/6148/item/602829/content/xlsx/bea_newsreleases_20191114_metropolitan-area-table, accessed on June 13, 2026.