United States. Bureau of Economic Analysis. "Personal Income by County and Metropolitan Area, 2019 : Full Release, BEA 20-58," Bureau of Economic Analysis (BEA) News Releases (November 17, 2020). https://fraser.stlouisfed.org/title/6148/item/602933/content/pdf/bea_newsreleases_20201117, accessed on March 18, 2025.