Courtland is an unincorporated community in Sacramento County, California, United States. Courtland is located along the Sacramento River 17 miles (27 km) south-southwest of Sacramento. Courtland has a post office with ZIP code 95615, which was established in 1872. As of the 2020 census, Courtland had a population of 326. Courtland was named after Courtland Sims, son of James V. Sims, a landowner who opened a steamer landing in the community in 1870. For statistical purposes, the United States Census Bureau has defined that community as a census-designated place (CDP).