[4] According to the United States Census Bureau, the CDP has a total area of 1.9 square miles (4.8 km2), all land.
Since January 2008, ground-level ozone in Boulder and the surrounding area has exceeded healthy levels 11 times.
Natural gas drilling in nearby Jonah Field and the Pinedale Anticline is blamed for the reduced air quality.
[6] Public education in the community of Boulder is provided by Sublette County School District #1.
[7] Boulder experiences a Continental climate (Köppen Dfb) with long, cold, dry winters and short, warm summers.