Kraken at a ship's helm wearing a captain's hat holding a map above a banner reading 'State of the Map US Boston 2025'.

Welcome to the home of open mapping in the United States

OpenStreetMap is the free, editable map of the world. OpenStreetMap US is a nonprofit organization helping to support and grow the project in the US.

Our Work

Taking open mapping to the classroom

Targeted mapping for community partners

Powering community-led tools

Bridging the open data gap

Solutions for responsible trail mapping

The pen-and-paper mapping workflow

Full-featured static website theme

Charter Projects

The game of mini mapping challenges

The ultimate OpenStreetMap validator

Building the world’s most out-of-date map

Community Projects

A quintessentially American map style

Only the freshest OpenStreetMap data

Get Involved

Learn how to make your first edit

Join us!

Invest in our mission

Giving directly to the people making OSM the world’s best map

Community messenger and workspace

Collaborative mapping campaigns

Shop official OSM US merchandise

Conferences & Events

Our premiere conference series

Our free virtual conference series

Virtual OpenStreetMap hangouts and talks

November 18–22, 2024

Learn from community members

The Americana Map

The US OpenStreetMap community has been working on a map suited to the cartographic needs and traditions of the United States. It's a great way to explore OpenStreetMap data through a US lens. Learn More

Thank you to our Members

The support of our members makes our work possible. Consider becoming an individual or organizational member.

Strategic Organizational Members

Thank you to our event sponsors

Anniversary Sponsor — State of the Map US 2025