Louisville/Jefferson County metro government (balance) - Jefferson County (part) is located in the state of Kentucky.
It occupies the area of 343 square miles.
17 square miles are water areas and 326 square miles remain for land areas.
Center of the Jefferson County (part) lies at +38.2032194, -085.7128157 coordinates.
According to the 2010 Census, there are 597.337 living in the Jefferson County (part).
The racial makeup shows these 3 races as the most frequent : White (70.55%), Black or African American (22.89%) and Two or More races (2.32%).
Median age is 36 for the males and 39 for the females.
Statistical data for the Jefferson County (part) based on the 2010 U.S. Census