Kentucky has 120 counties, which is the third-highest number among U.S. states. The largest counties are generally located in the southwest corner of Kentucky, whereas the smallest counties are concentrated in northern Kentucky.Continue Reading
The most populated county is Jefferson County, where 760,026 residents of Kentucky live in and around the city of Louisville; this county is located in north-central Kentucky, on its border with Indiana. Kenton and Boone Counties, third and fourth in population respectively, are located in the northernmost tip of Kentucky that juts into Ohio. Fayette County, the second-most populated county, is located in central Kentucky.
In terms of area, Kentucky's largest county is Pike County, which is located in the easternmost point of Kentucky, along its border with Virginia and West Virginia. Its second-largest county is Christian County, located in southwest Kentucky, bordering Tennessee.Learn more about Geography