Voting in McKinney for the November 2021 Election is easy! Check the time and dates below for Early Voting. Voting will run from 7 am – 7pm at every location on Election Day. Collin County uses Voting Centers, which means you can vote at any location in the county as long as you’re registered to vote in Collin County. Check the table below for the McKinney Voting Locations. If you need any help, get in touch with your Precinct Chair, or call the CollinGOP office.