Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Nowata County, OK was 138.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Nowata County, OK reached a record high of 316.00000 in January of 2009 and a record low of 134.00000 in January of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Nowata County, OK - last updated from the United States Federal Reserve on May of 2024.