Found the source I was looking for in the past.
Syracuse's Onondaga County had 287 millionaire earners, and Albany County numbered 250. The rise in millionaire earners is good news for the state's coffers. But it has also fueled a debate in New York over whether the rich should be taxed more to fund programs and services.
Link to the old article
https://cm.democratandchronicle.com/...-%2F4897941%2F
New data on all of New York State millionaires
https://www.tax.ny.gov/data/stats/tax-facts.htm