---
type: Person
title: "Mark Walker"
description: "IL Senate District 27 — IL State Senate District 27"
role: "IL Senate District 27"
party: "D"
level: "state"
branch: "legislative"
state: "IL"
district: "IL State Senate District 27"
represents: "us/states/il/districts/senate/27"
tenure:
  start: "2024-05-11"
  current: true
election:
  term_length: 2
  term_limit: "varies"
ids:
  person: "c35db780-7bee-495a-a9d3-c8b23e84a32f"
  office: "a0574747-9f98-410e-a308-9a18a2ac4468"
  tenure: "166672a5-1335-488b-b69a-110fd1eb490f"
  jurisdiction: "7a20d9a0-2457-4930-87f9-f38aff613936"
sources:
  - field: tenure
    source: "OpenStates YAML via GitHub 2026-06-20"
  - field: jurisdiction
    source: "SLDU (Census 2025)"
confidence: official
tags: [officeholder, state, legislative, il]
timestamp: "2026-07-04"
---

# Mark Walker

Current IL Senate District 27 (IL State Senate District 27).

Represents [IL State Senate District 27](/us/states/il/districts/senate/27.md).

## Sources

- tenure: OpenStates YAML via GitHub 2026-06-20
- jurisdiction: SLDU (Census 2025)

Generated from the Atlas officeholders v3 export (2026-07-04).