Glen Rock

The borough has been one of the state's highest-income communities. Based on data from the American Community Survey for 2013–2017, Glen Rock residents had a median household income of $162,443, ranked 6th in the state among municipalities with more than 10,000 residents, more than double the statewide median of $76,475.

As of the 2020 United States census, the borough's population was 12,133, an increase of 532 (+4.6%) from the 2010 census count of 11,601, which in turn reflected an increase of 55 (+0.5%) from the 11,546 counted in the 2000 census. The borough has been one of the state's highest-income communities. Based on data from the American Community Survey for 2013–2017, Glen Rock residents had a median household income of $162,443, ranked 6th in the state among municipalities with more than 10,000 residents, more than double the statewide median of $76,475. Unsaid gifts are made for that: keepsakes and art that mark a family's growth in Glen Rock.