New Hartfd Real EstateNew Hartfd real estate listings include condos, townhomes, and single family homes for sale. Commercial properties are also available. If you see a property you’re interested in, contact a New Hartfd real estate agent to arrange a tour today! New Hartfd, New York has a population of 10,996. The median household income in New Hartfd, New York is $62,763. The median household income for the surrounding county is $51,316 compared to the national median of $57,652. The median age of people living in New Hartfd is 47.5 years. New Hartfd WeatherThe average high temperature in July is 79.8 degrees, with an average low temperature in January of 12.7 degrees. The average rainfall is approximately 46.8 inches per year, with 88.3 inches of snow per year. Nearby Homes for Sale |