The Philadelphia suburbs were the key to Joe Biden's Pennsylvania victory. Here are the numbers.

Biden’s boost wasn’t just in one kind of suburb. His performance stretched across the region, encompassing Democratic bastions of wealthy, white, and well-educated voters such as Lower Merion, where he picked up the biggest gain in net votes, or Haverford, or Abington — as well as racially and ethnically mixed inner suburbs, such as Upper Darby, which had the second-highest net gain in votes, and Yeadon, which is largely Black and continued to vote heavily for Democrats.

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