Agate

Agate, Colorado is a historic ranching community in Elbert County, notable for its railroad origins and storied local identity.

History

Agate originated as the town of Gebhard, established by the Union Pacific Railroad around 1876. The Gebhard post office opened in 1881, marking its early development as a railroad stop and rural center. Locals referred to the settlement as Agate even before the official renaming in 1882. The origin of the name is debated: some say it comes from an “A-gate”—a wooden gate with an A-shaped brace—while others claim it refers to agate chalcedony stones found in the area. Agate’s population peaked at approximately 392 people. The current population remains near this mark today, with the community maintaining its small, close-knit character.

Major Industries

Ranching and agriculture have long been the backbone of Agate’s economy. The landscape is dotted with farms, ranches, and a classic grain elevator, making farming and livestock the primary sources of income.

Geography

Agate is located at approximately 39.4617°N latitude and 103.9422°W longitude. The community's elevation ranges close to 5,446 feet (1,660 meters). Agate sits on a north-northwest to south-southeast ridge, bounded by a ravine and the Agate Creek valley, divided by railroad tracks. The area features classic high plains topography and is adjacent to State Highway 40 and Interstate 70 at exit 340.

Obscure and Notable Facts

Agate is home to one of Colorado’s smallest school districts—Agate School District 300—a unique claim for a rural community. The region’s gemstone claim to fame includes debates about the true origin of local agate stones, adding to local lore. Some sources note the town is named after agate stone discoveries, making it a part of Colorado’s wider gemstone history.