Find our complete list of billboards for billboard advertising in Denver City, TX in the map or list below. We set the standard for outdoor advertising with our high quality customer service, and will help you create highly impactful messages to reach your customers. Click on a billboard below to find out more information. Outdoor Advertising a great way to reach people in, and traveling through, Denver City, Texas. The population in Denver City is over 4,400, and with TX-HWY 83 and TX-HWY 214 crossing through town, billboard advertising in Denver City is a fantastic option for outdoor advertising to market your company, services or organization.