Longmont is a Home Rule Municipality in Boulder and Weld counties in the U.S. state of Colorado. Longmont is the 13th most populous city in the State of Colorado. The word "Longmont" comes from Longs Peak, a prominent mountain named for explorer Stephen H. Long that's clearly visible from Longmont, and "mont" from the French word for mountain. The city is located northeast of the county seat of Boulder and north-northwest of the Colorado State Capitol in Denver. In contrast to its better-known… (More on Longmont)