Is momentum building for Charlie Baker?

Republican gubernatorial candidate Charles D. Baker raised more than $500,000 last month, his campaign said yesterday, yet another strong fund-raising haul in his bid to unseat Governor Deval Patrick, a Democrat.

Baker’s campaign raised $516,123 during the month, significantly more than any other candidate. Baker, a former health care executive, has raised more than $1.5 million this year from more than 5,000 donors.

The announcement was made about a week after Baker announced his running mate, Senate minority leader Richard R. Tisei of Wakefield.

“Voters are responding to our campaign for one reason: Charlie Baker is the only candidate who will stand up for taxpayers and put our fiscal house in order starting on Day One, and he has the record to prove it,’’ campaign manager Lenny Alcivar said in a statement. “Our strong fund-raising this year means the Baker-Tisei team will have the resources we need to win on Election Day and start a turnaround in Massachusetts.’’

UPDATE: Please join us Wednesday night on The Notes on Blog Talk Radio at 8:00pm EST Wednesday night. Our guests will be authors Dinesh D’Souza and Matthew Spalding! Plus, more from Scot Lehigh.

SECOND UPDATE: From Holly Robichaud, the Globe and Herald.

THIRD UPDATE: From the Globe and Herald.