Asher is a town in Pottawatomie County, Oklahoma, United States. The population was 393 at the 2010 census, a decline of 6.2 percent from 419 at the 2000 census.
Asher is located at 34°59′19″N 96°55′36″W (34.988580, -96.926550), at the intersection of U.S. Highway 177 and State Highway 39 in Pottawatomie County. According to the United States Census Bureau, the town has a total area of 0.8 square miles (2.1 km2), all of it land.
Asher is approximately 30 miles (48 km) south of I-40 and 34 miles (55 km) east of I-35. Nearby cities (with 15,000+ population) include Ada, Oklahoma (21 miles south) and Shawnee, Oklahoma (27 miles north). Asher is located two miles (3 km) west of Chisholm Spring, once the site of a trading post operated by Jesse Chisholm, for whom the famous cattle trail was named. A Chisholm family home and cemetery are also located in Asher. Nine miles east of Asher is the Sacred Heart Mission Site.
As of the 2010 United States Census, there were 393 people, 161 households, and 106 families residing in the town. The population density was 491.25 people per square mile (187.14/km2).