A post office was established in the community in 1884.[4] The name "Dunmor" may have come from either colonial politician Lord Dunmore,[5] or the local Dunn family.[6]
Geography
Dunmor is located in southern Muhlenberg County, with a portion extending south into Logan County. U.S. Route 431 passes through the community, leading north 18 miles (29 km) to Central City and south the same distance to Russellville.
According to the U.S. Census Bureau, the Dunmor CDP has a total area of 2.61 square miles (6.8 km2), of which 0.01 square miles (0.03 km2), or 0.54%, are water.[1]
The climate in this area is characterized by hot, humid summers and generally mild to cool winters. According to the Köppen Climate Classification system, Dunmor has a humid subtropical climate, abbreviated "Cfa" on climate maps.[8]