Kingsville is a city in west central Johnson County, Missouri, United States.[8] According to the United States Census Bureau, the city has a total area of 0.30 square miles (0.78 km2), all land.21.2% of all households comprised individuals, and 8% had someone living alone who was 65 years of age or older.The racial makeup of the city was 95.72% White, 2.33% Native American, 0.39% Asian, and 1.56% from two or more races.About 6.3% of families and 8.2% of the population were below the poverty line, including 11.4% of those under the age of eighteen and none of those 65 or over.