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MAP: Key counties that may determine who voters elect in November

In NBC News' County to County project, hear from voters in five counties, facing decisions on issues that mirror those in your own city, town, or state.

NBC News is keeping a close eye on these five counties as we head into the 2020 election, each for a different reason. Click or tap each of the counties to learn more.

Read and watch more about the counties that matter here.

Allie Sandza contributed.