And according to a link from MSN Money posted to Twitter by DNB First earlier this week, Chester County is Pennsylvania’s wealthiest county as well.

Using the five-year estimated median annual household incomes from 2009 through 2013 from the U.S. Census Bureau’s American Community Survey and looking at counties with populations of 10,000 or great, MSN Money identified Chester County as Pennsylvania’s most affluent county.

Here’s what the site wrote:

Pennsylvania had a median annual household income of $52,548 over the five years through 2013, less than the comparable national figure. The household median income in Chester County, however, was not just the highest in Pennsylvania but also among the highest in the nation. The median annual income of more than $86,050 was well more than double the typical income in the state’s poorest county. Many residents likely earned higher incomes due to the county’s proximity to nearby Philadelphia, where more employment opportunities were available to people within commuting distance.

MSN Money’s county rankings here.

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Top photo courtesy of the Chester County Planning Commission.