Details on voting in Colorado are available at sos.state.co.us and that site is also where voters may check on their current voter status and information. Those not currently registered may register online or by mail by Monday. October 26th and Colorado also offers same day in-person voting registration on Election day. Mail in voting is the normal method of voting in Colorado and ballots are scheduled to be mailed a few weeks before the election on November 3rd. Voters are urged to fill in their ballots and return them either by mail or at official stations as soon as possible. All pertinent official information is available at sos.state.co.us.