99chambers
Leaving office January 1, 2027.Did not run for re-election in 2026. This page switches to the former-officeholder layout when the term ends.
DemocratIn office until January 1, 2027

Karla May

Missouri State Senator, District 4 since 2018. Did not run for re-election in 2026; leaves office in January 2027.

Missouri State Senator, District 4

Official websiteWikipedia

In office
7 yrs
Since 2018
Bills became law
0
32 sponsored, 2025–2026 session
Last margin
+48.3
Won 2022

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 9:43 AM ET

Committees

As of 2026-10.

  • Appropriations
  • Budget Conference
  • Commerce, Consumer Protection, Energy and the Environment
  • Judiciary and Civil and Criminal Jurisprudence
  • Justice System
  • Public Assistance
  • Rules, Joint Rules, Resolutions and Ethics
  • Select Committee on Equal Protection and Diversity, Equity and Inclusion
  • Substance Abuse Prevention and Treatment Task Force

Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET

Legislation

2025–2026 session · 32 sponsored · 0 became law
BillIntroCmteSenateHouseLaw
SB 945 Modifies provisions relating to court operations
Attorneys · Failed in the House May 2026
SB 944 Modifies the salary for the attorney of the sheriff of St. Louis City
Attorneys · Failed in the House May 2026
SB 1025 Modifies provisions relating to the elder abuse and neglect hotline
Disabilities · Failed in the Senate Mar 2026
SB 943 Modifies provisions relating to nuisance actions
Cities, Towns, and Villages · Failed in the Senate Mar 2026
SB 1731 Modifies provisions relating to critical incident management
Ambulances and Ambulance Districts · Failed in committee May 2026

Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET

Career

Offices held, and every time May was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.

Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Elections

Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.

YearRaceResultMargin
2022Missouri State Senate, District 4WonD+48.3
2018Missouri State Senate, District 4WonD+54.1
2016Missouri House of Representatives, District 84Won—
2014Missouri House of Representatives, District 84Won—
2012Missouri House of Representatives, District 84Won—
2010Missouri House of Representatives, District 57Won—

Source: 99chambers results archive

Seats May has held

Source: 99chambers results archive

Who May has run against

  • Mary Theresa McLean (R) · 2022 general, won
  • Robert J. Crump (R) · 2018 general, won

Source: 99chambers results archive

How we know May

One person, matched across every source we use.

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET