Owner/User or Investment Opportunity. Six apartments above with approximately 5,750 sf of commercial. Downtown Sterling mixed use opportunity! Located on the SW Corner of Front Street at Poplar Street. Sterling is located in northeastern Colorado, approximately 130 miles northeast of Denver. It is situated along the South Platte River at the intersections of Interstate 76, and Highways 6, 138 and 14. The city is the most populous in Logan County, representing 65% of the county's overall population.