New maps and data now available for the Severe Housing Problems indicator from the 2025 County Health Rankings.

The 2017-2021 data on severe housing problems are now available. This indicator reports the percentage of households experiencing one or more of the following issues: lack of complete kitchen or plumbing facilities, overcrowding, or severe cost burden. Data were originally sourced from the HUD Comprehensive Housing Affordability Strategy (CHAS) and are used in the 2025 County Health Rankings.

New maps and data now available for the Residential Segregation – Black/White indicator from the 2025 County Health Rankings.

The new data on residential segregation between Black and white residents are now available. This indicator reports the index of dissimilarity, where higher values indicate greater residential segregation, based on 2019–2023 American Community Survey data. The index ranges from 0 (complete integration) to 100 (complete segregation) and represents the percentage of either Black or white residents who would need to move to achieve an even distribution across geographic areas.

New data now available for the Math Scores indicator from the 2025 County Health Rankings.

The latest data on 3rd grade math performance are now available. This indicator reports the average grade-level performance of 3rd graders on standardized math tests, where a score of 3.5 indicates students are performing half a grade level above expectations. This measure captures early proficiency in math, which is foundational for future academic progress.