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Official portrait of Susan Manchester

Photo: Ohio General Assembly. Source.

12Senate
District

Senator

Susan Manchester

SeatSenate District 12
PartyRepublican
Capitol officeRoom 48 · Statehouse · Ground Floor
Mailing addressRoom 48, Statehouse, 1 Capitol Square Ground Floor, Columbus, OH 43215
Capitol phone614-466-7584
Write tosd12@ohiosenate.gov (official address)
TenureServing since January 1, 2025

Committees 6

Bills, 136th General Assembly 16 as principal author · 41 as coauthor

All 16 bills as principal author ›

Coauthor of SB 1, SB 14, SCR 10, SR 138, SR 153, SR 166, SR 171, SR 172, SR 194, SR 215, SR 216, SR 226 and 29 more.

Bills and sponsors: Open States bulk data (public domain dedication), 2026-10-public.pgdump; status is read from the official actions. About the momentum score

Effectiveness 136th General Assembly, 2025–26

0.5322nd of 32 in the Senate
34th percentile
Bills & joint resolutions authored7
… passed committee / chamber / both3 / 3 / 1
… became law1
Carried in the other chamber (became law)0 (0)
Points vs. Senate majority average16 ÷ 29.96 = 0.53
Most-authored topicsBusiness, jobs & the economy (4), Health & mental health (3), Agriculture & rural life (1)

Senate rankings · How the score works. A count of bill progress, not a judgment of the member's work.

Closest allies co-authorship, 2025–26

“Written together” = 136th General Assembly bills and joint resolutions on which both are principal author or coauthor (measures with more than 60 sponsors are left out). Sharing bills does not imply a personal or political alliance.

District 12

Counties
Allen, Auglaize, Champaign, Darke, Logan, Mercer, Shelby
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House members sharing a county
Matt Huffman (78), Johnathan Newman (80), Ty Mathews (83), Angie King (84), Tim Barhorst (85)
Senate District 12 and neighboursSenate District 1: Rob McColley (R)Senate District 2: Theresa Gavarone (R)Senate District 3: Michele Reynolds (R)Senate District 5: Steve Huffman (R)Senate District 6: Willis Blackshear (D)Senate District 10: Kyle Koehler (R)Senate District 12: Susan Manchester (R)Senate District 13: no member on fileSenate District 15: Hearcel Craig (D)Senate District 16: Beth Liston (D)Senate District 17: Shane Wilkin (R)Senate District 19: Andrew Brenner (R)Senate District 20: Tim Schaffer (R)Senate District 25: Bill DeMora (D)Senate District 26: Bill Reineke (R)FranklinHenryPutnamChampaignDarkeDefianceMorrowFayetteDelawareMercerVan WertLoganHancockUnionCrawfordWyandotHardinPauldingShelbyPickawayGreeneMontgomeryFairfieldSenecaAllenMiamiClarkKnoxHuronWoodLickingMadisonPrebleAuglaizeMarion1235610121315161719202526
District 12 outlined; neighbours link to their members. Full map › · Census 2024 boundaries, simplified.

Official district map: see the official Senate page.

Lobbyist reports naming this member 2025–2026

No lobbyist expenditure reports naming this member are in our data.

Registered lobbyists and the organizations they represent are on our sister site, the Ohio Lobby Guide.

A reported expenditure is a legal, disclosed activity and does not imply wrongdoing.

Source

Copied from https://www.ohiosenate.gov/members/susan-manchester on November 2, 2026, through Open States people data (CC0), checked against official legislature rosters. Not endorsed by the Ohio State Senate.

Sources for this page

Copied from public pages of the Ohio House of Representatives and the Ohio State Senate, through Open States people data (CC0), checked against official legislature rosters. Neither Ohio Capitol Guide nor this information, as presented here, is endorsed by the Ohio House of Representatives or the Ohio State Senate.