St. James is a city in Phelps County, Missouri, United States. The population was 3,920 at the 2020 census.
Business District of St. James in 2014
Phelps County is a county in the central portion of the U.S. state of Missouri. As of the 2020 United States Census, the population was 44,638. The largest city and county seat is Rolla. The county was organized on November 13, 1857, and was named for U.S. Representative and Governor of Missouri John Smith Phelps.
New Phelps County courthouse in Rolla
Old county courthouse, listed on the National Register of Historic Places