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Official portrait of John Jagler

Photo: Wisconsin Legislature. Source.

13Senate
District

Senator

John Jagler

SeatSenate District 13
PartyRepublican
Capitol officeRoom 415 South · State Capitol
Mailing addressState Capitol Room 415 South, P.O. Box 7882, 2 E. Main St., Madison, WI 53707
Capitol phone608-266-5660
Legislative assistantDavid Fladeboe, Charlie Bellin, Sarah Gibbs, Matthew VanRemortel
Write tosen.jagler@legis.wisconsin.gov (official address)
HometownWatertown
TenureServing since April 2021 (also served Assembly 2013 to 2021)
Term limitedNo term limits

Committees 4

Bills, 2025 to 2026 session 36 as principal author · 0 as coauthor

All 36 bills as principal author ›

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 2025 to 2026 session

0.3531st of 33 in the Senate
9th percentile
Bills & joint resolutions authored36
… passed committee / chamber / both30 / 13 / 8
… became law6
Carried in the other chamber (became law)0 (0)
Points vs. Senate majority average102 ÷ 288.50 = 0.35
Most-authored topicsBusiness, jobs & the economy (10), Agriculture & rural life (10), State government & agencies (9)

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

Closest allies co-authorship, 2025 to 2026

“Written together” = 2025 to 2026 session 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 13

Counties
Adams, Columbia, Dodge, Fond du Lac, Green Lake, Jefferson, Marquette, Winnebago
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Assembly members sharing a county
Lindee Brill (27), Mark Born (37), Will Penterman (38), Alex Dallman (39), Karen DeSanto (40), Tony Kurtz (41), Maureen McCarville (42), Brienne Brown (43), Joan Fitzgerald (46), Andrew Hysell (48), Dean Kaufert (53), Lori Palmeri (54), Gus Gustafson (55), Kevin Petersen (57), Rob Brooks (59), Jerry O'Connor (60), Vinnie Miresse (71), Scott Krug (72), Cindi Duchow (97), Barbara Dittrich (99)
Senate District 13 and neighboursSenate District 1: André Jacque (R)Senate District 2: Eric Wimberger (R)Senate District 3: Tim Carpenter (D)Senate District 4: Dora Drake (D)Senate District 5: Rob Hutton (R)Senate District 6: LaTonya Johnson (D)Senate District 7: Chris Larson (D)Senate District 8: Jodi Habush Sinykin (D)Senate District 9: Devin LeMahieu (R)Senate District 11: Steve Nass (R)Senate District 13: John Jagler (R)Senate District 14: Sarah Keyeski (D)Senate District 15: Mark Spreitzer (D)Senate District 16: Melissa Ratcliff (D)Senate District 17: Howard Marklein (R)Senate District 18: Kristin Dassler-Alfheim (D)Senate District 19: Rachael Cabral-Guevara (R)Senate District 20: Dan Feyen (R)Senate District 21: Van Wanggaard (R)Senate District 22: Bob Wirch (D)Senate District 24: Patrick Testin (R)Senate District 26: Kelda Roys (D)Senate District 27: Dianne Hesselbein (D)Senate District 28: Julian Bradley (R)Senate District 30: Jamie Wall (D)Senate District 32: Brad Pfaff (D)Senate District 33: Chris Kapenga (R)AdamsKewauneeSaukCrawfordKenoshaJuneauGrantBrownVernonRacineWalworthGreen LakeWashingtonLafayetteDodgeDaneMilwaukeeJeffersonWaukeshaWaupacaJacksonIowaSheboyganWausharaGreenManitowocPortageMonroeFond du LacOzaukeeMarquetteCalumetWinnebagoRichlandWoodOutagamieRockColumbia123456789111314151617181920212224262728303233
District 13 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 to 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 Wisconsin Lobby Guide.

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

Source

Copied from https://docs.legis.wisconsin.gov/2025/legislators/senate/2814 on November 2, 2026, through Open States people data (CC0), checked against official legislature rosters. Not endorsed by the Wisconsin State Senate.

Sources for this page

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