Constituency-level election returns for the U.S. House of Representatives are documented in this dataset covering the period from 1976 to 2024. Maintained by the MIT Election Data and Science Lab, the data tracks voting outcomes across all congressional districts for nearly 50 years.
Use Cases
- Analyzing shifts in district-level voting margins using constituency returns from 1976 to 2024
- Evaluating candidate performance trends across multiple election cycles
- Modeling political polarization by comparing district-level vote shares over time
Strengths
- Covers 48 years of electoral data
- Granular constituency-level reporting
- Curated by the MIT Election Data and Science Lab
Limitations
- Restricted to general election returns, excluding primary data
- Limited to the U.S. House of Representatives, excluding Senate or Presidential races
Provenance
- Source
- MIT Election Data and Science Lab
- Collection Method
- Aggregation of official state-level election results
- Time Range
- 1976-2024
- Freshness
- Updated through the 2024 election cycle.
- Geography
- United States