Coming Soon
RCV Simulator
Test ranked-choice election scenarios and see how transfers can change the final outcome.
Tool Planned
Featured Work
Featured maps and active Maproom projects.
Featured races open directly into the interactive map. Coming-soon projects stay visible so the homepage still points toward the full Maproom roadmap.
Featured RCV Map
2026 CD2 Democratic Primary
Baldacci · Dunlap · Wood · Loud
Open Map →
Featured RCV Map
2026 Democratic Gubernatorial Primary
Shah · Pingree · Jackson · Bellows · King III
Open Map →
Featured RCV Map
2026 Republican Gubernatorial Primary
Charles · Midgley · Bush · Mason · McCarthy · Jones · Wessels · Libby
Open Map →
Interactive RCV Map
2018 CD2 Democratic Primary
Round-by-round ranked-choice map for Maine’s Second Congressional District Democratic primary.
Open Map →
Coming Soon
Analysis
Race breakdowns, predictions, essays, and campaign notes.
Publication Planned
Explore the Maproom
Built for people who want the map behind the result.
Each section is designed to make Maine election data more useful: visually, historically, strategically, and transparently.
Maps
Election geography
Interactive town-level maps and regional views of Maine campaigns.
Tools
Scenario builders
RCV tools, calculators, and campaign planning utilities.
Analysis
Strategy and coalitions
Race breakdowns, predictions, essays, and campaign notes.
Methodology
How the work is built
Source notes, data methods, and assumptions behind the maps.
About
The project
What The Maine Maproom is, why it exists, and where it is going.
Contribute
Improve the work
View the project on GitHub and follow future development.
About The Maine Maproom
Maine politics through maps, data, and campaign analysis.
The Maine Maproom is a home for understanding Maine politics through maps, data, and campaign analysis. We look at elections geographically, historically, and strategically — not just who won, but where support came from, how coalitions moved, and what the results reveal about political power in Maine.