Estimate of People of All Ages in Poverty in McClain County, OK was 4499.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Estimate of People of All Ages in Poverty in McClain County, OK reached a record high of 4913.00000 in January of 2011 and a record low of 2696.00000 in January of 1989. Trading Economics provides the current actual value, an historical data chart and related indicators for Estimate of People of All Ages in Poverty in McClain County, OK - last updated from the United States Federal Reserve on May of 2024.