U.S. Stroke Mortality by County, Sex, and Race/Ethnicity, 2021-2023

Age-standardized stroke mortality rates for U.S. adults aged 35 and older, spatially smoothed at the county level. The data from the National Vital Statistics System covers a 3-year average from 2021 to 2023 and can be stratified by sex and racial/ethnic group. Additional maps and methodology are available via the Interactive Atlas of Heart Disease and Stroke.

Use Cases

• Mapping mortality disparities using Data_Value, LocationDesc, and X_lon/Y_lat coordinates.
• Analyzing demographic stratification by comparing Data_Value across Stratification1 and Stratification2 categories.
• Identifying data quality issues by filtering records with Data_Value_Footnote_Symbol and Data_Value_Footnote.
• Aggregating county-level rates to state-level estimates using LocationAbbr and GeographicLevel.

Strengths

• Data is age-standardized and spatially smoothed for county-level analysis.
• Includes demographic stratification by sex and racial/ethnic group via Stratification1 and Stratification2.
• Sourced from the authoritative National Vital Statistics System.
• Last updated on 2025-08-15, indicating recent maintenance.

Limitations

• Row count and dataset size are 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, age-standardized, and spatially smoothed.

Time Range

2021-2023 (3-year average)

Freshness

Last updated 2025-08-15 12:10:00.

Geography

United States, by state/territory and county