---
type: Person
title: "Andrea Olsen"
description: "MT Senate District 48 — MT State Senate District 48"
role: "MT Senate District 48"
party: "D"
level: "state"
branch: "legislative"
state: "MT"
district: "MT State Senate District 48"
represents: "us/states/mt/districts/senate/48"
tenure:
  start: "2025-01-06"
  current: true
election:
  term_length: 2
  term_limit: "varies"
ids:
  person: "6387da2c-b330-481a-b675-eb6a32c20af6"
  office: "96eb310d-fd3e-4878-98d1-5c1647468f71"
  tenure: "d033bc28-41fe-41d6-8e71-c1683c288b29"
  jurisdiction: "67e423e0-8ddc-452d-8959-f6bb1822089b"
sources:
  - field: tenure
    source: "OpenStates YAML via GitHub 2026-06-20"
  - field: jurisdiction
    source: "SLDU (Census 2025)"
confidence: official
tags: [officeholder, state, legislative, mt]
timestamp: "2026-07-04"
---

# Andrea Olsen

Current MT Senate District 48 (MT State Senate District 48).

Represents [MT State Senate District 48](/us/states/mt/districts/senate/48.md).

## Sources

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

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