The personal income of Kauai residents increased 3.7 percent in 2010 from 2009 on a per capita basis, the fastest growth rate of any county in the state, the federal government reported Wednesday.

Personal income grew 2.7 percent in Hawaii County, 2.4 percent in Honolulu County and 1.8 percent in Maui County, according to a report released by the U.S. Bureau of Economic Analysis. The statewide average increase was 2.4 percent.

On a dollar basis, Honolulu County led in 2010 with per capita personal income of $45,216. Kauai was second at $35,304, followed by Maui at $34,461 and Hawaii County at $30,844. The statewide average was $41,550. Personal income is income received from all sources: earnings, dividends, rental income and government payments. The numbers released by the BEA are not adjusted for inflation.