Nebo is a home rule-class city in Hopkins County, Kentucky, in the United States. The population was 236 as of the 2010 census.Nebo is located in northwestern Hopkins County at 37°23′4″N 87°38′29″W / 37.38444°N 87.64139°W / 37.38444; -87.64139. U.S. Route 41A passes through the center of Nebo, leading east 9 miles to Madisonville, the county seat, and west 7 miles to Providence.According to the United States Census Bureau, Nebo has a total area of 0.25 square miles, all land.As of the census of 2000, there were 220 people, 84 households, and 67 families residing in the city. The population density was 877.9 people per square mile. There were 93 housing units at an average density of 371.1 per square mile. The racial makeup of the city was 100.00% White.There were 84 households out of which 34.5% had children under the age of 18 living with them, 59.5% were married couples living together, 11.9% had a female householder with no husband present, and 20.2% were non-families. 19.