Salt Lake County, Utah Utah Territory after traveling what settlers later called Emigration Canyon. Brigham Young, their leader, declared "This is the place" after seeing the valley. Compared to eastern regions, it seemed arid and unpromising to some of the migrants. Settlers used extensive irrigation to develop agriculture and the flourishing, self-sufficient city, known then as Great Salt Lake City. Thousands of Mormons joined them in the next several decades. The county was officially organized on January 31, 1850, with slightly more than 11,000 residents recorded. Mormon settlements were scattered across the valley and beyond. They relocated the territorial capital to Great Salt Lake
Salt Lake City below the poverty line. According to the U.S. Census Bureau's American Community Survey of 2017, the highest disparity in income in Utah is in Salt Lake City. Salt Lake City's GINI Index score was 0.4929, compared with the state's overall score of 0.423. The west-side areas of Salt Lake have the lowest-incomes while areas like the upper Avenues, have much higher incomes. Other Utah cities with relatively high scores include Provo, 0.4734; and Ogden, 0.4632. Fewer than 50% of Salt Lake City's residents are members of The Church of Jesus Christ of Latter-day Saints. This is a much lower proportion