[3] Catoosa County is part of the Chattanooga, TN–GA Metropolitan Statistical Area.

On March 14, 2002, due to a one-time sudden fog, about 125 vehicles crashed, causing a pileup in Interstate 75 that killed four people and injured 39.

[4] On April 27, 2011, a devastating tornado touched down in the town of Ringgold, located in Catoosa County, leaving a path of severe destruction.

[7] As of the 2020 United States census, there were 67,872 people, 24,130 households, and 17,293 families residing in the county.

As of 2016[update] the largest self-reported ancestry groups in Catoosa County, Georgia are:[20] According to the 2010 United States census, there were 63,942 people, 24,475 households, and 17,785 families living in the county.

There were 26,606 housing units at an average density of 164.1 per square mile (63.4/km2).

[24] According to the census[25] of 2000, there were 53,282 people, 20,425 households, and 15,400 families living in the county.

21.30% of all households were made up of individuals, and 8.50% had someone living alone who was 65 years of age or older.