Cold Brook is a city located in Herkimer County New York. With a 2020 population of 302, it is the 574th largest city in New York and the 15292nd largest city in the United States . Cold Brook is currently declining at a rate of -0.66% annually and its population has decreased by -8.21% since the most recent census, which recorded a population of 329 in 2010. Cold Brook reached it's highest population of 328 in 2010. Spanning over 0 miles, Cold Brook has a population density of 688 people per square mile.
The average household income in Cold Brook is $61,373 with a poverty rate of 28.77%. The median rental costs in recent years comes to $820 per month, and the median house value is $90,000. The median age in Cold Brook is 30.4 years, 30.6 years for males, and 30.2 years for females.