---
type: Person
title: "Mark Spencer"
description: "IN Senate District 3 — IN State Senate District 3"
role: "IN Senate District 3"
party: "D"
level: "state"
branch: "legislative"
state: "IN"
district: "IN State Senate District 3"
represents: "us/states/in/districts/senate/3"
tenure:
  start: "2024-11-06"
  current: true
election:
  term_length: 2
  term_limit: "varies"
ids:
  person: "51a77bad-fbdc-469c-a196-e926c591e604"
  office: "540e0b86-c497-4ca3-9f67-26687811bcfc"
  tenure: "2bb5ef64-fba4-4b55-997f-9223c4dbfdbe"
  jurisdiction: "3ccfdb2f-0a99-4b2d-990f-b997fbdbf62e"
sources:
  - field: tenure
    source: "OpenStates YAML via GitHub 2026-06-20"
  - field: jurisdiction
    source: "SLDU (Census 2025)"
confidence: official
tags: [officeholder, state, legislative, in]
timestamp: "2026-07-04"
---

# Mark Spencer

Current IN Senate District 3 (IN State Senate District 3).

Represents [IN State Senate District 3](/us/states/in/districts/senate/3.md).

## Sources

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

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