David Costello

D Democrat

David Costello

Candidate ME Senate

Next Election

Past Elections

ME: 2024

2026 Election: ME Senate

Current Rating

Tilt Republican

2025 Baseline

+9.4 D 52.4, R 43.0

Campaign Finance Data

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Analysis

Senate Report Shorts (June 11, 2026)

June 11, 2026

by Jacob Rubashkin

Primary Results in Maine, Nevada and South Carolina

June 10, 2026

by Jacob Rubashkin & Nathan Gonzales

Maine Senate: Corner of the Country, Center of the Battleground

May 21, 2026

by Jacob Rubashkin

Report Shorts (Feb. 19, 2026)

February 19, 2026

by Jacob Rubashkin

2026 Senate Overview

January 22, 2026

by Nathan Gonzales

Is Graham Platner Solving the Wrong Problem for Maine Democrats?

November 3, 2025

by Jacob Rubashkin

2026 Senate Overview (Oct. 23, 2025): Kentucky – New Mexico

October 23, 2025

by Jacob Rubashkin

Senate & Governor Report Shorts (Sept. 11, 2025)

September 11, 2025

by Jacob Rubashkin

House & Senate Report Shorts (Aug. 28, 2025)

August 28, 2025

by Jacob Rubashkin

2026 Senate Overview (July 24, 2025): Kentucky – New Mexico

July 24, 2025

by Jacob Rubashkin

Ratings

2026 ME — Senate II

July 24, 2025

Tilt Republican

January 9, 2025

Battleground Republican

2026 ME — Senate I

January 9, 2025

Not Up This Cycle

2024 ME — Senate I

January 6, 2023

Solid Democrat