Anyone wishing to register or make changes in their voter registration have until Friday, March 13.
County election board secretary Ava Ridgeway said voters in Henryetta and Beggs will be casting their ballots April 7.
"Persons who are 18 or will be 18 by Election Day may complete an Oklahoma Voter Registration Application," she said. "Voters who are currently registered but need to change voter registration information, may do so by filling out a new Oklahoma Voter Registration Application."
All applications must be postmarked no later than Friday, March 13 to be eligible to vote in the April 7, 2015 election.
Voter Registration Applications are available at the Okmulgee County Election Board office, located in the Okmulgee County Courthouse or can be downloaded from the State Election Board web site www.election.ok.gov.