2. Country Knolls Overall Niche grade: A+National ranking: 667Public schools: APopulation: 2,120Why it ranks: "Country Knolls is a suburb of with a population of 2,120. Country Knolls is in Saratoga County and is one of the best places to live in New York. Living in Country Knolls offers residents a rural feel and most residents own their homes. Many retirees live in Country Knolls and residents tend to lean conservative. The public schools in Country Knolls are highly rated," Niche said. 