How common is dvt at 24?

Depends: If you just had surgery, on birth control/hormones, immobilization, history of blood clots you could have a DVT. See your doctor for more answers and testing if you think you have a blood clot.

Not common: unless you have just had surgery or given birth or have a clotting disorder it is rare.

DVT: Not very common. Depends on your risk. There is a scoring system for DVT called the wells score . You can assess your risk by using it. https://www.mdcalc.com/wells-criteria-dvt

DVT and early age.: DVT can occur at any age but it is uncommon in the 20 and younger group unless there are predisposing factors such as hereditary clotting disorders such as sickle cell or other causes of clotting such as casts, injuries, prolonged bed rest, tumors and prolonged flying or driving time. If you have had a clotting problem, especially at an early age, then you should have an evaluation for clotting.