My wife and I are looking to visit at the end of October. How busy is the market? Are there still alot of vendors?

Yes. Many

It is busy with lots of vendors but still plenty of room to walk

Very much so

It can get busy at times it's still well worth going to . And yes there is still a lot of vendors my husband and I go there often

Yes, Sunday is the prime day there as long as the weather is good.

Yes many vendors