By Marshall Cohen, CNN
Updated 2:26 PM ET, Tue October 18, 2016
http://www.cnn.com/2016/10/18/politics/democrats-registration-battleground-states/(CNN)Democrats have expanded their voter registration leads in Florida, Nevada and Colorado, providing a boost for Hillary Clinton in those key battleground states.
Republicans maintained their edge in Iowa, and improved their position in Pennsylvania, but they still lag behind Democrats there by more than 900,000 registered voters.
In Florida, Democrats added more than 25,000 more voters to the rolls than Republicans in the past month, according to new data from the Florida Department of State. The overall Democratic edge is now almost 300,000 --- lower than 2012, but higher than it was this summer.
The registration deadline in Florida was delayed for a week by a federal judge after Hurricane Matthew forced millions to evacuate and displaced many from their homes. Tuesday was the last day to register.
Election officials in Colorado started mailing out ballots to residents Monday, the first presidential election in the state's history where all registered voters automatically get a ballot in the mail.
There are now more registered Democrats than Republicans for the first time in 32 years, according to the Colorado secretary of state. Democrats have improved their position there consistently this year: They turned an 11,600-voter Republican edge to a 6,000-voter deficit for the GOP in three months.
The Democratic registration lead in Nevada swelled by almost 6,000 voters in September, according to data from the Nevada secretary of state. That means there are now 77,000 more registered Democrats than Republicans -- something Clinton and Democrats down the ballot will hope to lean on in November.
New CNN/ORC polling shows a tight race in Nevada, with Clinton at 46% and Trump at 44%, a race that is within the margin of error. Early voting in the Silver State begins Saturday.
Democrats also managed to hold their registration advantage in North Carolina last month.
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