Montclair is the 50th largest municipality in New Jersey by population and is considered a commuter town of New York City with an average commute time of 38 minutes each way. New Jersey Transit and DeCamp Bus Lines are the providers of public transportation in Montclair. Montclair is home to many art institutions, theaters, and parks. The newly renovated Wellmont Theatre features top name musical groups and performances. Parks include Edgemont Memorial Park, Brookdale Park, the Bonsal Nature Reserve, the Presby Memorial Iris Gardens, and Mills Reservation. There are also 18 public tennis courts, 4 skating rinks and 3 public swimming pools.
As of the 2010 United States Census, the township population was 37,669. According to a 2007 estimate, the median income for a household in the township was $92,988, and the median income for a family was $119,850. Males had a median income of $64,151 versus $43,520 for females. The per capita income for the township was $44,870. In the township the population was spread out with 25.6% under the age of 18, 6.6% from 18 to 24, 31.9% from 25 to 44, 24.1% from 45 to 64, and 12.0% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 86.3 males. For every 100 females age 18 and over, there were 80.7 males.