Source: Douglas Sacha / Getty STATEWIDE — A recently released report from WalletHub ranked four Indiana small cities among the best in the U.S. to live in. Carmel was listed as the third-best small city to live in. A low unemployment rate (2.90%) and high annual income ($142,000) were contributing factors to the high ranking. It also has the 41st-lowest cost of rent as a share of median household income, at nearly 15%, according to WalletHub. Ot…