Heart Disease Mortality Rates for US Adults by County, 2021-2023 Average

2021 to 2023 age-standardized and spatially smoothed mortality rates for heart disease among US adults aged 35 and older. The data, sourced from the National Vital Statistics System, can be viewed by sex and racial/ethnic group at state, territory, and county levels. Additional data and methodology are available on the Interactive Atlas of Heart Disease and Stroke.

Use Cases

• Analyze geographic disparities in mortality by mapping rates using X_lon and Y_lat coordinates.
• Compare mortality trends across demographic groups using Stratification1 and StratificationCategory1 columns.
• Model the relationship between location and health outcomes using LocationDesc, Data_Value, and GeographicLevel.
• Filter and aggregate data for specific states or years using LocationAbbr and Year columns.

Strengths

• Data is age-standardized and spatially smoothed to improve comparability across regions.
• Includes multiple demographic stratifications (sex, racial/ethnic group) for detailed analysis.
• Covers a 3-year average (2021-2023) to reduce year-to-year volatility.
• Sourced from the authoritative National Vital Statistics System.

Limitations

• Row count is unknown, which may limit suitability assessment.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

National Vital Statistics System via data.cdc.gov

Collection Method

Aggregated from vital statistics records, with age-standardization and spatial smoothing applied.

Time Range

2021-2023 (3-year average)

Freshness

Last updated 2025-08-15 12:07:28; freshness should be verified.

Geography

United States, by state/territory and county