I'm mostly surprised to read that this will be a much needed boost to their 50 million dollar annual budget when they are "only" 13000 people. How bad are their

I'm mostly surprised to read that this will be a much needed boost to their 50 million dollar annual budget when they are "only" 13000 people. How bad are their margins on that casino? Or what else eats into that budget? My city has a population of 120k (and that's tallying a lot of people that doesn't even live near the place colloquially referred to as the city) and had an annual budget of 125 million dollars (not in the US) and we have free health care, subsidised public transportation and a whole slew of other nice benefits.