The Colorado Municipal League accepts advertising in its quarterly magazine, Colorado Municipalities. This magazine is published in January (Legislative Issues), April (Equity), July (Economic Recovery), and October (Sustainability). Colorado Municipalities reaches nearly 5,000 municipal officials. It is mailed second class from Denver, Colorado.

Colorado Municipalities is the only regularly-published magazine covering all facets of the Colorado municipal market. Advertising in Colorado Municipalities is a cost-effective and efficient way to reach key municipal and elected officials. This magazine is mailed to, and targets, key decision makers in city and town government, plus county and state government.