Premature Death Rate for McClain County, OK was 540.20000 Rate per 100,000 in January of 2020, according to the United States Federal Reserve. Historically, Premature Death Rate for McClain County, OK reached a record high of 570.80000 in January of 2018 and a record low of 406.80000 in January of 2008. Trading Economics provides the current actual value, an historical data chart and related indicators for Premature Death Rate for McClain County, OK - last updated from the United States Federal Reserve on May of 2024.