About 141,000 ballots remain to be counted in Maricopa County, said Maricopa County Recorder Helen Purcell in a release.
The county counted 18,731 early ballots and 8,489 provisional ballots on Wednesday.
Purcell estimated that 27,000 early ballots have yet to be counted and 114,000 provisional ballots are awaiting certification.
Arizona Sec. of State Ken Bennett said there are an estimated 192,337 earl and provisional ballots statewide that have yet to be counted.