In 1852, the Erie Railroad began operating major rail services from Jersey City on the Hudson River to points north and west via leased right-of-way in the county.This became known as the Erie Main Line, and is still in use for passenger service today.Its most populous place, with 43,010 residents at the time of the 2010 census, is Hackensack, Bergen County is one of the wealthiest counties in the United States, with a median household income of ,708 per the 2010 Census, increasing to an estimated ,677 in 2014, which was almost 18% higher than the ,919 median statewide.The origin of the name of Bergen County is a matter of debate.Their ancestors had moved into the mountains to escape encroachment by Dutch and English colonists.Their descendants reside mostly in the northwest of the county, in nearby Passaic County and in Rockland County, New York, tracing their Lenape ancestry to speakers of the Munsee language, one of three major dialects of their language.
Bergen County saw skirmishes throughout the war as armies from both sides maneuvered across the countryside.It is believed that the county is named for one of the earliest settlements, Bergen, in modern-day Hudson County.However, the origin of the township's name is debated.Use the assigned data series variables (a, b, c, etc.) together with operators ( , -, *, /, ^, etc.), parentheses , and constants (1, 1.5, 2, etc.) to create your own formula (e.g., 1/a, a-b, (a b)/2, (a/(a b c))*100).As noted above, you may add other data series to this line before entering a formula.