Under 56,000 people were living in New Brunswick in 2010 .
At the 2010 United States Census , the population of New Brunswick was 55,181 , reflecting an increase of 6,608 ( +13.6 % ) from the 48,573 counted in the 2000 Census , which had in turn increased by 6,862 ( +16.5 % ) from the 41,711 counted in the 1990 Census .