Atwood is an unincorporated town, a post office, and a census-designated place (CDP) located in and governed by Logan County, Colorado, United States. The CDP is a part of the Sterling, CO Micropolitan Statistical Area. The Atwood post office has the ZIP Code 80722. At the United States Census 2010, the population of the Atwood CDP was 133, while the population of the 80722 ZIP Code Tabulation Area was 349 including adjacent areas. History The Atwood post office has been in operation since 1885. The community was named after John Atwood, a Unitarian minister. Geography Atwood is located in southwestern Logan County. U.S. Route 6 passes through the community, leading northeast to Sterling, the county seat, and southwest to Merino. Colorado State Highway 63 leads south from Atwood to Exit 115 on Interstate 76 and to Akron. The Atwood CDP has an area of , all land. Climate This climate type occurs mostly on the outsides of the true deserts, in low-latitude semi-arid steppe regions. The Köppen Climate Classification subtype for this climate is "BSk". (Tropical and Subtropical Steppe Climate). Demographics The United States Census Bureau initially defined the for the See also Outline of Colorado Index of Colorado-related articles State of Colorado Colorado cities and towns Colorado census designated places Colorado counties Logan County, Colorado List of statistical areas in Colorado Sterling, CO Micropolitan Statistical Area References External links Atwood @ Colorado.com Logan County website Census-designated places in Logan County, Colorado Census-designated places in Colorado