Secretary of State: turnout in the June 28 primary election

Last week Colorado's county clerks sent out mail ballots to registered Republicans and Democrats for the June 28 primary election.Here's the turnout as of 9 a.m.

Democrats -- Ballots sent: 984,009; Ballots returned: 74,600; Percent: 7.58%

Republicans -- Ballots sent: 992,545; Ballots returned: 73,137; Percent: 7.36%

Breakdown by county (PDF) *The chart does not reflect the ballots counties have received but are awaiting signature verification.

The only contested statewide race is the GOP primary for U.S. Senate where five Republicans are vying for the chance to unseat Democrat Michael Bennet in November. Also on the ballot are races for seven congressional districts, three Board of Education seats, three University of Colorado regent seats, 18 of 35 Senate seats,all 65 House seats, all 22 district attorney offices and assorted county commissioner races.

Unaffiliated voters can participate in the primary by affiliating with either the Democrats or Republicans. This must be done by June 20 in order to get a ballot delivered by mailed, or they can vote in person at vote centers through 7 p.m. in Election Day.

To check what's on your ballot: https://www.sos.state.co.us/voter-classic/pages/pub/olvr/findVoterReg.xhtml