This database includes personal income, per capita personal income, and personal income by industry sector reported in current dollars. Data are not available for all combinations of industry sectors, states and counties.  Data are based on North American Industry Classification System categories (NAICS). 

• Population figures reflect Census Bureau midyear estimates
• Estimates for 2001 forward reflect the results of the comprehensive revision to the national income and product accounts (NIPAs) released in July 2013
• Some items are not shown to avoid disclosure of confidential information, but estimates are included in totals
• Contributions for government social insurance are included in earnings by type and industry but they are excluded from personal income
• The adjustment for residence is the net inflow of the earnings of interarea commuters. For the United States, it consists of adjustments for border workers: Wage and salary disbursements to U.S. residents commuting to Canada less wage and salary disbursements to Canadian and Mexican residents commuting into the United States
• Adjustment for residence includes the capital consumption adjustment
• Dividends, interest, and rent includes the inventory valuation adjustment and capital consumption adjustment
• Proprietor’s income consists of wage and salary disbursements to U.S. residents employed by international organizations and foreign embassies and consulates in the United States
• Broomfield County, CO, was created from parts of Adams, Boulder, Jefferson, and Weld counties effective November 15, 2001. Estimates for Broomfield county begin with 2002
• Estimates from 2008 forward separate Skagway-Hoonah-Angoon Census Area into Skagway Borough and Hoonah-Angoon Census Area
• In 2009, a part of the Prince of Wales-Outer Ketchikan Census Area was annexed by Ketchikan Gateway Borough and part (Meyers Chuck Area) was included in the new Wrangell City and Borough. The remainder of the Prince of Wales-Outer Ketchikan Census Area was renamed Prince of Wales-Hyder Census Area
• Estimates from 2009 forward separate Wrangell-Petersburg Census Area into Petersburg Census Area and Wrangell City and Borough
• Virginia combination areas consist of one or two independent cities with 1980 populations of less than 100,000 combined with an adjacent county. The county name appears first, followed by the city name(s). Separate estimates for the jurisdictions making up the combination area are not available
• Nonmetropolitan state portion includes micropolitan counties.