Monticello is a city located in the U.S. state of Arkansas. It is within and the county seat of Drew County. It has a total area of 11.04 square miles at 33°37′38″N 91°47′38″W. The elevation is 292 feet above sea level. As of the 2010 census data, it had a total population of 9,467. The population density was 884.95/sq mi. Estimated per capita income in 2015 was $15,354. It has Zip codes 71655 to 71657.