Ellicott City is listed amongst America's most affluent communities and is located in Howard County, the third wealthiest county in the United States according to the U.S. Census Bureau.Since 2005, Ellicott City has been ranked four times among the top "20 Best Places to Live in the United States" by Money and CNNMoney.com. In 1772, three Quaker brothers from Bucks County, Pennsylvania, chose the picturesque wilderness, upriver from Elk Ridge Landing (known today as Elkridge, Maryland) to establish a flour mill. John, Andrew, and Joseph Ellicott founded Ellicott's Mills, which became one of the largest milling and manufacturing towns in the East. Thomas Isaac Log cabin, Named after a 19th century owner, the cabin was believed to have been built circa 1780 by an early Ellicott's Mills settler. Located at west end of Ellicott City's Main Street, tourists can learn about the history of Ellicott's Mills from authentically costumed historians. The Ellicott brothers helped revolutionize farming in the area by persuading farmers to plant wheat instead of tobacco and also by introducing fertilizer to revitalize depleted soil. Charles Carroll, a signer of the Declaration of Independence and a wealthy landowner, was an early influential convert from tobacco to wheat.