---
type: Person
title: "Mike Day"
description: "MA House District 31st Middlesex — MA State House of Representatives District 31st Middlesex"
role: "MA House District 31st Middlesex"
party: "D"
level: "state"
branch: "legislative"
state: "MA"
district: "MA State House of Representatives District 31st Middlesex"
represents: "us/states/ma/districts/house/31st-middlesex"
tenure:
  start: "2015-01-07"
  current: true
election:
  term_length: 2
  term_limit: "varies"
ids:
  person: "f2849d6a-62c3-4e76-ad40-f5e5ac3bd456"
  office: "e2e60902-3511-457e-b41f-b3583c4fa80d"
  tenure: "d1e0778e-78d1-4ba7-949d-01bfae79ec02"
  jurisdiction: "fc6488de-5ad8-4071-8e5f-6680656234a3"
sources:
  - field: tenure
    source: "OpenStates YAML via GitHub 2026-06-20"
  - field: jurisdiction
    source: "Geometry not found in SLD layer"
confidence: official
tags: [officeholder, state, legislative, ma]
timestamp: "2026-07-04"
---

# Mike Day

Current MA House District 31st Middlesex (MA State House of Representatives District 31st Middlesex).

Represents [MA State House of Representatives District 31st Middlesex](/us/states/ma/districts/house/31st-middlesex.md).

## Sources

- tenure: OpenStates YAML via GitHub 2026-06-20
- jurisdiction: Geometry not found in SLD layer

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