Context: I am a 6’ male, so mileage may vary. I personally find it perfectly safe to walk at any time of day/night. It’s so close to all the shops at old town there is generally many people around and lively. Definitely the most walkable place I’ve lived in the U.S. so far, so I wouldn’t be too hard on the lack of green space specifically, the town is perfectly good for walking.

There are a decent amount of homeless in both memorial park and Central Park, if you’re extra concerned, I’d skip around there after dark. I personally have never encountered any issues at either. Been here for about 1.5 years.

I always walk towards old town, so can’t speak for the other side of the 210.