Noank is a community and census-designated place located in the U.S. state of Connecticut. It is within New London County in the town of Groton. It has a total area of 2.2 square miles at 41°19′30″N 71°59′30″W. As of the 2010 census data, it had a total population of 1,796. The population density was 820/sq mi. Recent job growth is positively increased by 0.72 percent. The average travel time is 24 minutes.