[3] Sheriff-Byron Yerby As of the 2020 United States census, there were 16,321 people, 6,802 households, and 4,774 families residing in the county.

As of 2012 the largest self-reported ancestry groups in Fayette County were: There were 7,493 households, out of which 30.80% had children under the age of 18 living with them, 57.30% were married couples living together, 10.60% had a female householder with no husband present, and 28.70% were non-families.

26.60% of all households were made up of individuals, and 13.50% had someone living alone who was 65 years of age or older.

The average longevity of men in Fayette County increased by 2.0 years from 1985 to 2013 compared to a national average for the same period of an increased life span for men of 5.5 years.

[14] Richard Arthur Field (Municipal)- A 5,000 ft (1,500 m) paved runway with JET A and 100LL fuel service.

The last Democrat to win the county in a presidential election is Bill Clinton, who won it by a plurality in 1996.