Rochester, MN (KROC-AM News) - Rochester remained Minnesota's top job growth engine in August. That works out to a job growth rate of 5.9%. Rochester Adds 7,500 Jobs Over Past YearThat matches the year-over-year job growth rate reported for July and is slightly stronger than the 5.7% growth rate from August of last year. It is also much stronger than the statewide job growth rate for August of 1.3%. Duluth's job growth rate was below a half percentage point, while St.