Highland is a city in Madison County, Illinois, United States. The population was 9,919 at the 2010 census.
Highland, Illinois was settled in the early 19th century by Swiss-German settlers. The town was founded in 1837.It was first named Helvetia (pronounced hellveesha) in accordance with the Heritage of the town's Swiss-German founding members. The town voted to change its name to the English version - Highland, in the early 20th century, as well as stopping production of its German language newspaper, in part to avoid negativity towards those of Germanic heritage at the advent of the First World War. Around the same time, a small town in northern Illinois also started calling itself Highland.