Population of New Jersey 2021
The United States Census Bureau estimates that the population of New Jersey was 8,908,520 as of July 1, 2018, an increase of 1.33% since the 2010 US census. In 2010, illegal immigrants made up an estimated 6.2% of the population Population (550,000).
18.1% of the population are of Italian descent, making them the largest group. This is followed by the Irish (16.1%), German (15.7%), Polish (6.7%) and English (6.0%) groups.
As of 2010, 71.31% (5,830,812) of New Jersey residents aged 5+ spoke English as their primary language at home, while 14.59% (1,193,261) spoke Spanish, 1.23% (100,217) spoke Chinese (including Cantonese and Mandarin), 1.06% (86,849) Italian, 1.06% (86,486) Portuguese, 0.96% (78,627) Tagalog and Korean were spoken as the main language by 0.89% (73,057) of the population over five years. A total of 28.69% (2,345,644) of the New Jersey population aged 5 and over spoke a language other than English.
According to the Association of Religion Data Archives in 2010, the Roman Catholic Church was the largest denomination in New Jersey with 3,235,290 adherents. It is followed by Islam with 160,666 and the United Methodist Church with 138,052 followers.
The world’s largest Hindu temple was dedicated in 2014 in Robbinsville, Mercer County, in central New Jersey.
Top Counties by Population in New Jersey
|Rank||County Name||Population||Population Density (per km²)|
|20||Cape May County||92,050||139.47|