Welcome to Noblesville, Indiana Approx.
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N oblesville is in a fast changing rural to urban environment, rich in heritage. It was designated the county seat in 1824 and incorporated in 1851. In 1823, trader and statesman William Conner laid out the town and established his roots here. While Hamilton County has historically been an agricultural community, Noblesville and the entire county have witnessed tremendous growth in recent decades. We have grown more than 130 percent since 1970.