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@MEDSL MIT Election Data and Science Lab

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    28 repositories

    • 2022-elections-official

      Public
      Official returns for the 2022 Midterm Elections
      R
      •6•17•9•0•Updated Jun 9, 2026Jun 9, 2026

    • 2024-elections-official

      Public
      Repository for the results of the 2024 U.S. general election, mostly at the precinct level
      6•43•0•0•Updated May 4, 2026May 4, 2026

    • constituency-returns

      Public
      District-level House returns and state-level Senate and presidential returns from 1976-2018
      4•6•3•1•Updated Feb 12, 2026Feb 12, 2026

    • 2020-primaries-unofficial

      Public
      Repository for the 2020 unofficial primary results
      1•2•0•0•Updated Feb 12, 2026Feb 12, 2026

    • 2024-EPC

      Public
      A repository for the 2024 Stanford-MIT Elections Performance Central (EPC). For more information see https://www.elexcentral.org/.
      Python
      •0•5•0•0•Updated Nov 4, 2024Nov 4, 2024

    • 2018-elections-official

      Public
      Official returns for the 2018 Midterm Elections
      21•30•2•0•Updated Oct 24, 2023Oct 24, 2023

    • 2020-elections-official

      Public
      72•8•2•0•Updated Oct 24, 2023Oct 24, 2023

    • replication-scripts

      Public
      MEDSL public release of the replication syntax for cleaning and quality assuring recent national elections
      Jupyter Notebook
      •0•1•0•0•Updated Nov 3, 2022Nov 3, 2022

    • precinct_sql_databases

      Public
      Our precinct data in the form of SQL databases
      1•7•1•0•Updated Aug 5, 2022Aug 5, 2022

    • local-jurisdiction-elections-official

      Public
      Official precinct returns for local office races within jurisdictions of interest.
      0•0•0•0•Updated Sep 9, 2021Sep 9, 2021

    • primary-precinct-returns

      Public
      Official precinct returns for 2016 and 2018 Primary Elections
      0•1•1•0•Updated Apr 26, 2021Apr 26, 2021

    • 2020-Primaries-Official

      Public
      Official results for the 2020 Presidential Primaries
      R
      •1•1•0•0•Updated Apr 26, 2021Apr 26, 2021

    • election_night2020

      Public
      R
      •9•7•0•0•Updated Mar 16, 2021Mar 16, 2021

    • official-precinct-returns

      Public
      Precinct-level election returns, currently for 2016
      MIT License
      •1•29•5•0•Updated Mar 12, 2021Mar 12, 2021

    • healthy_elections

      Public
      A Repository for data related to elections and the COVID-19 pandemic
      Rich Text Format
      •4•10•2•0•Updated Dec 17, 2020Dec 17, 2020

    • precinct-shapefiles

      Public
      Precinct shapefiles and their linkage with precinct returns
      R
      •3•3•1•1•Updated Nov 10, 2020Nov 10, 2020

    • elections-performance-index

      Public
      This repository includes reproduction materials for the Elections Performance Index.
      MIT License
      •1•11•0•0•Updated Aug 20, 2020Aug 20, 2020

    • state-returns

      Public
      State Office Returns for 2016 Election
      0•0•0•0•Updated May 5, 2020May 5, 2020

    • county-returns

      Public
      County Presidential Election Returns 2000-2016
      3•5•3•0•Updated Apr 16, 2020Apr 16, 2020

    • 2019-elections-unofficial

      Public
      This repository includes data for 2019 off-year elections using unofficial election returns.
      0•1•0•0•Updated Nov 20, 2019Nov 20, 2019

    • ggmedsl

      Public
      R package for creating ggplot2 graphics using MEDSL style and colors
      R
      •
      Other
      •0•0•0•0•Updated Feb 28, 2019Feb 28, 2019

    • 2018-elections-unoffical

      Public
      This repository includes data for snap analyses of the 2018 Midterm Elections using unofficial election returns data.
      MIT License
      •38•50•1•0•Updated Nov 12, 2018Nov 12, 2018

    • election-scrapers

      Public
      This repository contains a series of data scraping tools for state election websites.
      Jupyter Notebook
      •
      MIT License
      •4•14•0•0•Updated Nov 9, 2018Nov 9, 2018

    • medslcleaner

      Public
      An R package for cleaning election returns data
      R
      •
      Other
      •0•1•1•0•Updated Sep 7, 2018Sep 7, 2018

    • documentation

      Public archive
      Code for generating dataset documentation
      R
      •
      MIT License
      •0•0•0•0•Updated Sep 7, 2018Sep 7, 2018

    • primaries

      Public
      This is a repository for unofficial 2018 primary election returns.
      political-scienceelections
      political-scienceelections
      HTML
      •
      MIT License
      •6•12•0•0•Updated Aug 15, 2018Aug 15, 2018

    • elections

      Public
      An R package for election data from MEDSL
      rpolitical-scienceelections
      rpolitical-scienceelections
      Makefile
      •
      MIT License
      •6•53•1•0•Updated Aug 2, 2018Aug 2, 2018

    • data-management

      Public archive
      Code and metadata for releasing MEDSL datasets
      Python
      •
      MIT License
      •1•0•0•0•Updated Jun 27, 2018Jun 27, 2018
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