The 2016 campaign represents the first all-mail ballot presidential election in Colorado. And even though the ballots are not yet counted — a look at who is returning ballots offers insights into enthusiasm among Democratic and Republican voters, as well as a measurement of party organization. In 2014, the first statewide mail ballot election, Republican’s far outnumbered Democrats in terms of early ballot returns on their way to big wins. To see how the numbers play out ahead of Election Day, check The Denver Post’s ballot tracker below. As of Monday, Oct.