Beautify Data
Kentucky Population By County (2018)
Updated on June 16, 2019.
Hover/Click on the counties to see the values.
Source: US Census Bureau (2018 Census).

According to the US Census Bureau population estimates, there were 4,468,402 people living in Kentucky in 2018. Jefferson County was the most populated county with 771K residents. Another highly populated county was Fayette County which had 324K residents.

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