Pinal County had the highest growth of total personal income among 455 counties nationwide from 2001 to 2011, states an On Numbers analysis.
During the 10-year span, Pinal County’s TPI grew 157 percent to $9.3 billion as of 2011.
Pinal County has grown from roughly 179,000 residents in 2000 to 382,000 in 2011.
In comparison, Maricopa County’s total personal income growth trailed Pinal’s by more than 100 percentage points. From 2001 to 2011, Maricopa County’s TPI grew by 53.35 percent. Last year, Maricopa County, home to 3.8 million residents, had a TPI of $147 billion.
The BEA defines TPI as the amount of money earned by all residents of a given area in a given year, encompassing everything from wages and salaries to dividends and welfare checks. It is directly affected by increases in population and per-capita income.
Behind Pinal County was Douglas County, Colo., which saw its TPI skyrocket 141.2 percent during the 10-year span from 2001 to 2011.