Bay Area Counties Have Led California for 35 Years.

• Position: Median income report - Brief article

The statewide median income for all personal income tax returns in 2006 rose to $35,390 (3.7 percent over 2005), while the median income listed on joint returns rose to $66,810 (5.1 percent over 2005), according to the FTB. Four Bay Area counties again top California's 2006 median income report: Contra Costa, Marin, San Mateo and Santa Clara counties have consistently reported the highest median incomes.

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California taxpayers filed 15.1 million 2006 state income tax returns reporting $1.2 trillion in adjusted gross income, a 9.4 percent increase over 2005 figures.

Marin County still has the highest median income for joint returns, reporting $116,626, an increase...