Raleigh is a community located in the U.S. state of Illinois. It is within and the county seat of Saline County. It has a total area of 1.98 square miles at 37°49′38″N 88°32′1″W. As of the 2010 census data, it had a total population of 350. The population density was 174.09/sq mi. Estimated per capita income in 2016 was $22,892. It has Zip code 62977.