Mico, founded in 1911, is an unincorporated community in northeastern Medina County, Texas, United States, approximately 40 miles west of San Antonio. The community is part of the San Antonio Metropolitan Statistical Area. Its zip code is 78056. Originally Mico was spelled MICO, which stood for the Medina Irrigation Company who built the Medina Dam and Lake Medina and was originally built to be a workers camp for the 1500, primarily Mexicans, workers, who built the dam, and their families. Interestingly, one of the camel drovers brought to the area in 1857 from Egypt as part of Secretary of War Jefferson Davis's camel corps experiment was named Mico. Today, as far as businesses go, there are 3 bars, one bed and breakfast, and 1 post office in Mico. There is a volunteer fire department.