[2] The county was formed in 1825 and named for Captain John "Jack" Edmonson (1764–1813), who was killed at the Battle of Frenchtown during the War of 1812.

Edmonson County is included in the Bowling Green, Kentucky Metropolitan Statistical Area.

There are two main routes that form the major transportation corridors through Edmonson County.

KY 70 is the primary west to east route, traversing the width of the county.

The biggest tourist attraction in Edmonson County is Mammoth Cave National Park, which usually draws almost 2 million visitors a year.

[20] Located mostly in the northern part of Edmonson County, the Nolin Lake area was incorporated as a Kentucky State Park in 1996.

The unincorporated community of Wingfield, in southwestern Edmonson County, is home to the transmission tower utilized by adult hits-formatted radio station WKLX (100.7 FM, officially licensed in Brownsville) and low-powered television station WCZU-LD (channel 39).

[23] It is a multimedia platform that operates as a combination of an online newspaper, a streaming broadcaster, and video report provider.

The company serves as the main media outlet in the county with a weekly readership of over 23,000.

[24] Volunteers have digitized and created a repository of video related to Edmonson County High School on YouTube.

The archive contains a variety of media, including graduation ceremonies, proms, and athletic events.

In January 2017, the Edmonson County Sheriff's Department has been featured on A&E Television's Live PD in the 14th and 15th episodes of that program's first season.