Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in Ottawa County, KS was 43.00000 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 Ottawa County, KS reached a record high of 57.00000 in January of 2019 and a record low of 4.00000 in January of 2016. 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 Ottawa County, KS - last updated from the United States Federal Reserve on May of 2024.