Middleville is a city located in Herkimer County New York. With a 2020 population of 489, it is the 524th largest city in New York and the 13414th largest city in the United States . Middleville is currently growing at a rate of 0.20% annually but its population has decreased by -4.49% since the most recent census, which recorded a population of 512 in 2010. Middleville reached it's highest population of 512 in 2011. Spanning over 1 miles, Middleville has a population density of 639 people per square mile.
The average household income in Middleville is $61,163 with a poverty rate of 9.57%. The median rental costs in recent years comes to $550 per month, and the median house value is $87,800. The median age in Middleville is 36 years, 36.4 years for males, and 32.9 years for females.