Welby is a cdp located in Adams County, in the state of Colorado (CO), United States. Nestled in the Mountain division of the West region, it covers an area of 3.8 square miles (10.0 km²) and sits at an elevation of 5132 ft. With a population of approximately 12,973 residents, Welby offers a vibrant community life.
The town's population is composed of about 49.76% males and 50.24% females, and it has a population density of N/A (N/A). Welby lies at a latitude of 39.85 and a longitude of -104.97, operating in the UTC-7.
Locals reflect a blend of American ancestry, with roots primarily in United States (5%), followed by English (5.4%), German (18%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 80229.