Muma attended Legend High School, where he initially played defensive back.

[8] He began to see significant playing time on defense during his sophomore season and finished the year with 51 total tackles.

He finished with 15 tackles and two passes defended as a result of the Jaguars decision to permanently place Devin Lloyd as the main inside linebacker.

[22] Chad's younger brother Jaxon plays football at the University of Sioux Falls.

Chad Muma got engaged to his longtime girlfriend, Alyssa Huey, on May 28, 2023, in Saint Augustine, Florida.

In one specific case, during a school event, Chad Muma performed "Great Balls of Fire" by Jerry Lee Lewis.

[23] During mid-April 2017, Chad Muma's Subaru Outback was stolen when he left the keys in the car.

[citation needed] In multiple short interviews done by the Jacksonville Jaguars media team, it has been revealed that Chad Muma's top song in 2023 was get him back!

In a player interview, he revealed his pregame song is "In the Air Tonight" by Phil Collins.