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Rep. Doug Lamborn of Colorado Springs has won election to a fifth term in Congress in Colorado's most Republican district.
It's clear that voters nationwide are scratching a six-year itch midway through President Barack Obama's second term, and that's played a massive role in the senate and governor races in Colorado.
Democratic Rep. Diana DeGette, Colorado's longest-serving member of Congress, has won a 10th term.
Voters jam-packed some polling centers in Denver and Aurora on Tuesday, as Colorado residents cast their ballots on a variety of issues and close election battles.
The race for governor in Colorado is proving to be the nail-biter that polls and pundits predicted, as Gov. John Hickenlooper and challenger Bob Beauprez battled late into Tuesday night.
They must feel like old friends by now to Colorado TV watchers: Cory Gardner and Mark Udall. But those old friends are mostly going away from your TV.
Colorado Secretary of State Scott Gessler's office says a computer system used to verify voter eligibility is back up after being taken offline for just over five minutes because of computer problems.
Secretary of State Scott Gessler says he's concerned that Boulder County officials are discriminating against Republican election judges.
Colorado's close Senate race not only could determine the balance of power in the U.S. Senate, but also whether Republicans can say they have a viable future in similar fast-growing swing states with moderate electorates.
In addition to governor and lieutenant governor, three statewide offices are up for grabs in Colorado. The offices - attorney general, secretary of state and treasurer - can be stepping stones to higher office.
Colorado Republicans hope to erase Democrats' one-seat majority in the state Senate on Tuesday and cut into, if not overturn, the Democrats' 37-28 majority in the House. Some key races:
Colorado ballots frequently are stacked with ballot measures that can change government as dramatically as any elected official. This midterm election is no exception.
Democrat Andrew Romanoff is hoping for an upset in a congressional district in Denver's eastern suburbs that has been in Republican hands since its creation more than 30 years ago.
It's all about "get out the vote" and Republicans were winning on that front the night before Election Day. Historically they vote earlier and heavier in midterm elections, but this year the GOP has a 120,000 vote lead and is ahead in all but one of the swing counties.
