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Tracker: Where are the remaining votes in key Senate midterm races?

NBC News is tracking the remaining ballots county-by-county on election night. This page will be updated frequently.
A ballot with a red and blue cover overlay and ballot circles.
NBC News is tracking the votes remaining in states with Senate races on election night.Mark Makela / Getty Images file

NBC News is tracking the votes remaining in states with key Senate races.

Use this page to see which counties in key states have the most ballots yet to be counted, along with which party is currently leading in that county. These graphics will be updated frequently until the races have been called.

Nevada

Democratic Sen. Catherine Cortez Masto is in a tight race against Republican Adam Laxalt.