U.S. County-Level Mortality and Population Data 1999-2009

County-level national mortality and population data spanning the years 1999-2009, based on death certificates for U.S. residents. The National Center for Health Statistics produces the data, which includes death counts, crude and age-adjusted death rates, and demographic breakdowns.

Use Cases

• Analyze age-adjusted death rates across county, race, and Hispanic ethnicity to identify geographic health disparities.
• Model trends in cause-of-death using 4-digit ICD-10 codes over the 1999-2009 time range.
• Investigate mortality patterns by injury intent and mechanism categories segmented by sex and age group.
• Study infant mortality rates using single-year-of-age cohorts and demographic variables like race and Hispanic ethnicity.

Strengths

• Data spans 11 years (1999-2009) of national mortality records.
• Includes granular demographic breakdowns by age group, race (4 groups), Hispanic ethnicity, and sex.
• Covers multiple cause-of-death dimensions including underlying cause, up to twenty additional causes, and specific categories like drug and alcohol related causes.

Limitations

• Data is temporally stale, ending in 2009 and not reflecting recent mortality trends.
• The dataset's structure and specific column count are unknown, complicating direct analysis.
• As an API-only resource, bulk download and offline analysis may be challenging.

Provenance

Source

National Center for Health Statistics, U.S. Department of Health & Human Services.

Collection Method

Based on death certificates for U.S. residents.

Time Range

1999-2009.

Freshness

Last metadata update was 2025-07-29, but the underlying data covers 1999-2009.

Geography

United States, at national, regional, state, and county levels.