Around 600,000 people visited the market in 2018.
The figures have been released by Exeter Catherdral, which has run the market since 2017.
It takes into account accommodation, shopping, transport and eating cost of those who visit the market during the month it's open, in the run up to Christmas.
Plymouth murder suspect named
Manhunt underway to find Paul Antony Butler
Murder investigation launched in Plymouth
The suspect is still at large
Is this the end for Exeter's boat that wouldn't die?
The Marie Claire was once a record-breaker
Woman jailed for shop thefts in South Devon
37-year-old Lucy Hanks stole 34 bottles of wine
Teenage girl missing from Exeter
Have you seen 14-year-old India Ford?
Derriford's new A&E upgrades welcomed by MPs
Construction is expected to start in the summer
