CAPITAL REGION — Local sales tax collections varied throughout the region in May, with Montgomery County recording a 2.4% sales tax increase last month over a year earlier, while Schenectady County fell 6.2% over the same timespan. Saratoga County declined 4.1%. Statewide, there was a 1.1% increase, according to a report by State Comptroller Thomas DiNapoli. Schenectady County collected $10.01 million in sales tax revenue in May 2023, down from the $10.67 million the county collected in May 2022 and down from the $10.42 million the county collected in April 2023. “The reduction year-over-year is not too concerning,” Schenectady County Legislator Gary Hughes…