Stryker, Montana  Stryker is an unincorporated community and census-designated place (CDP) in Lincoln County, Montana, United States. As of the 2010 census it had a population of 26. Stryker has the 59933 ZIP code. Stryker is located in northeastern Lincoln County on U.S. Route 93, southeast of Eureka and northwest of Kalispell. It is located just south of a drainage divide separating the Stillwater River, which runs just east of Stryker and flows southeast to the Flathead River, from Summit Creek, which flows northwest and is part of the Tobacco River watershed flowing to the Kootenai River. According to the U.S. Census Bureau, the Stryker CDP has an area of , all of which is recorded as land.