Douglas County leads the state.
Thanks to people moving here from other states, Colorado gained more than $16 billion in adjusted gross income from 1992-2013.
How Money Walks, a website arguing that Americans are relocating to states with pro-growth tax policies, has ranked the six Colorado counties that contributed most to that gain. Its data comes from the Internal Revenue Service and the U.S. Census Bureau.
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Douglas County, which gained $5.8 billion in adjusted gross income from 1992-2013. Newcomers to the county tended to come from elsewhere in the state: Arapahoe County, Jefferson County, Denver County, Elbert County and El Paso County, according to the website.
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Weld County, which gained $1.54 billion. Weld drew population from Boulder County, Larimer, Adams, Jefferson and Arapahoe.
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Larimer County, which gained $1.45 billion in adjusted gross income. Its new residents came largely from Boulder and Jefferson counties in Colorado, plus Los Angeles County, Santa Clara County and Harris County, Texas.
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El Paso County, which gained $1.27 billion. This county drew from Los Angeles County, Orange County, Santa Clara County, El Paso County in Texas and San Diego County.
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Adams County, which gained $1.16 billion, thanks to people moving from Denver County, Jefferson County, Boulder County, Arapahoe County and Los Angeles County.
- Boulder County, which gained $1.04 billion. Its new residents tended to come from Santa Clara County, Cook County (home of Chicago) and Los Angeles, San Diego and Alameda counties.
