This comprehensive dataset encompasses records of mortgages classified as 30–89 days delinquent at the county level across the United States, spanning from January 2008 to June 2022. The dataset includes various counties within a specific region or country, providing details on the count of mortgages falling into the 30–89 days delinquent category for each respective county. Monitoring this information is crucial for understanding the financial health of homeowners and the housing market in different areas. A higher number of delinquent mortgages can signify potential economic issues or challenges within specific regions, making it valuable for economic analysis and policy formulation.