What is the optimal tax rate to set in Sim City By 0 931 viewsMarch 11, 2013sim city simcity Anonymous March 10, 2013 0 Comments I got into trouble with finances and I am trying to get back on track but the population won’t grow. What is the optimal tax rate to set for each earning type once you have a finance department at city hall? Want encourage city growth again. 0 AnswersActiveVotedNewestOldest You must be logged in to answer questions or comment Register or LoginCan you help other gamers by anwering questions? Read all the latest additions.