Buckner is a city in Jackson County, Missouri, United States. The population was 2,725 at the 2000 census.
Buckner is located at 39°8′5″N 94°11′54″W / 39.13472°N 94.19833°W / 39.13472; -94.19833 (39.134806, -94.198223). According to the United States Census Bureau, the city has a total area of 1.7 square miles (4.4 km²), all of it land.
As of the census of 2000, there were 2,725 people, 1,019 households, and 747 families residing in the city. The population density was 1,595.3 people per square mile (615.3/km²). There were 1,065 housing units at an average density of 623.5 per square mile (240.5/km²). The racial makeup of the city was 95.93% White, 0.11% African American, 0.44% Native American, 0.26% Pacific Islander, 0.84% from other races, and 2.42% from two or more races. Hispanic or Latino of any race were 1.98% of the population.