Homeownership (5-year estimate) for Warren County, IL was 78.70206 Rate in January of 2022, according to the United States Federal Reserve. Historically, Homeownership (5-year estimate) for Warren County, IL reached a record high of 79.38458 in January of 2021 and a record low of 70.12199 in January of 2012. Trading Economics provides the current actual value, an historical data chart and related indicators for Homeownership (5-year estimate) for Warren County, IL - last updated from the United States Federal Reserve on May of 2024.