Butler County, Ohio board of elections: address and phone for 2026
- WhereSee the listEvery site, days and hours
Early voting sites Call 513-887-3700 Directions
Butler County board of elections
Butler County Board of Elections
Office: 1802 Princeton Rd #600, Hamilton, OH 45011
Phone: 513-887-3700
Regular office hours: 8 a.m. to 4:30 p.m.
Website: elections.bcohio.gov
Town in Butler County
Check your registration and find your polling place at the Secretary of State's Voter Toolkit, the state's voter site.
Ohio voting dates for Butler County voters
| Date | What |
|---|---|
| Mon, Oct 5, 9 p.m. | Register in person County boards of elections and the Secretary of State's office stay open until 9 p.m. for registration. BMV offices, libraries and other agencies close at their regular hours. source |
| Mon, Oct 5 | Register online Ohio closes registration 30 days before an election; when that day falls on a Sunday or holiday it moves to the next business day. This is the last day to register or update your address. source |
| Mon, Oct 5 | Last day to register by mail Mailed forms must be postmarked by this date. source |
| Tue, Oct 6, 8 a.m. | Early voting opens In-person early voting at your county board of elections starts Oct 6. Hours are set statewide and lengthen in the final week — check your board's schedule. source |
| Tue, Oct 27, 8:30 p.m. | Request an absentee ballot Your county board of elections must receive your application by 8:30 p.m., seven days before Election Day. source |
| Sun, Nov 1, 5 p.m. | Early voting ends Last day is Sunday, Nov 1, from 1 to 5 p.m. There is no in-person early voting on Monday, Nov 2. source |
| Tue, Nov 3, 7:30 p.m. | Election Day: polls open 6:30 a.m. to 7:30 p.m. Find your polling place through the Ohio Secretary of State. source |
| Tue, Nov 3, 7:30 p.m. | Return your absentee ballot Your county board of elections must receive it by 7:30 p.m. on Election Day; postmarks don't count. Return it by mail or deliver it to your board or its drop box. Military and overseas ballots sent by mail may arrive up to four days later. source |
Butler County voting questions
What is the phone number for the Butler County board of elections?
513-887-3700, the Board of Elections (Butler County's board of elections on the Ohio Secretary of State, County Boards of Elections Directory list).
What is the address of the Butler County board of elections?
1802 Princeton Rd #600, Hamilton, OH 45011.
When does early voting start in Butler County?
Early voting opens Tuesday, October 6; early voting ends Sunday, November 1, 2026. In-person early voting at your county board of elections starts Oct 6. Hours are set statewide and lengthen in the final week — check your board's schedule. Butler County's locations are on our Butler County early voting page.
More for Ohio voters
- Who is on the Ohio ballot: every candidate on the state's official list, race by race.
- Ohio voting deadlines 2026: registration, mail ballots, early voting and Election Day.
- Ohio early voting locations we have read so far, with days and hours.
- Every Ohio county's office.
- Early voting dates in every state.
Other Ohio counties: Adams, Allen, Ashland, Ashtabula, Athens, Auglaize, Belmont, Brown, Carroll, Champaign, Clark, Clermont, Clinton, Columbiana, Coshocton, Crawford, Cuyahoga, Darke, Defiance, Delaware, Erie, Fairfield, Fayette, Franklin, Fulton, Gallia, Geauga, Greene, Guernsey, Hamilton, Hancock, Hardin, Harrison, Henry, Highland, Hocking, Holmes, Huron, Jackson, Jefferson, Knox, Lake, Lawrence, Licking, Logan, Lorain, Lucas, Madison, Mahoning, Marion, Medina, Meigs, Mercer, Miami, Monroe, Montgomery, Morgan, Morrow, Muskingum, Noble, Ottawa, Paulding, Perry, Pickaway, Pike, Portage, Preble, Putnam, Richland, Ross, Sandusky, Scioto, Seneca, Shelby, Stark, Summit, Trumbull, Tuscarawas, Union, Van Wert, Vinton, Warren, Washington, Wayne, Williams, Wood, Wyandot.
Office details are from the Ohio Secretary of State, County Boards of Elections Directory (checked October 17, 2026). Dates are Ohio's, each linked to its source. Call the office before you go.