Census: https://www.census.gov/cgi-bin/geo/shapefiles/index.php
NJ Municipalities Shapefile: https://njogis-newjersey.opendata.arcgis.com/datasets/newjersey::municipal-boundaries-of-nj/explore?location=40.187855%2C-74.796909%2C8.12
CT Towns Shapefile: https://data.ct.gov/Government/Town-Boundary-Index-Map/evyv-fqzg
NH Towns Shapefile: https://earthworks.stanford.edu/catalog/massgis-nhtowns-poly
VT Towns Shapefile: https://geodata.vermont.gov/datasets/0e4a5d2d58ac40bf87cd8aa950138ae8_39/explore?location=43.866320%2C-72.493156%2C8.10
ME Towns Shapefile: https://esri-boston-office.hub.arcgis.com/datasets/1ebda72f0f134609a2e13e4e5daad34f_2/explore?location=45.061404%2C-69.009295%2C7.00
Boston City Council: https://data.boston.gov/dataset/city-council-districts-view
MA Town(Defunct): https://www.newtonma.gov/government/information-technology/gis/gis-data-dictionary/ma-city-and-town-boundaries
NYC Council: https://data.cityofnewyork.us/City-Government/City-Council-Districts/yusd-j4xi
Demographics: https://data.cityofnewyork.us/City-Government/Census-Demographics-at-the-NYC-City-Council-distri/ye4r-qpmp
NJ Municipalities: https://njogis-newjersey.opendata.arcgis.com/datasets/newjersey::municipal-boundaries-of-nj/explore?location=40.141200%2C-74.743150%2C8.79
Boston Wards: https://data.boston.gov/dataset/wards
Philadelphia Wards: https://www.opendataphilly.org/dataset/political-wards/resource/445ff128-ea1c-4330-873a-d966cbde4f0d?view_id=18461113-893e-46ac-86e5-a74e16b71f1d
Proposed FL Districts Shapefiles: https://www.redistrict2020.org/states/florida.html
1995 FL Shapefile: https://hgl.harvard.edu/catalog/harvard-tg95flvotpy
Puerto Rico Legislative districts: https://www2.census.gov/geo/maps/DC2020/PL20/st72_pr/legislativedistrict_maps/lowerchamber/Maps_in_Spanish/
https://www2.census.gov/geo/tiger/TIGER2020PL/STATE/72_PUERTO_RICO/72/
https://www.census.gov/geographies/mapping-files/time-series/geo/tiger-line-file.2020.html
PR Census Shapefiles: https://www2.census.gov/geo/tiger/TIGER2020PL/STATE/72_PUERTO_RICO/72/
https://ww2.ceepur.org/sites/ComisionEE/es-pr/Planificacion/Documents/Tablas%20de%20conversion.pdf
2004 PR Unidades https://gis.pr.gov/descargaGeodatos/Delimitaciones/Pages/Electorales.aspx
Cuba: https://github.com/yudivian/cuba-geojsons/tree/master/geojson_by_region_division
NYC: Community Tabulation Areas: https://data.cityofnewyork.us/City-Government/2010-Neighborhood-Tabulation-Areas-NTAs-/cpf4-rkhq
NYC Communities: https://data.cityofnewyork.us/City-Government/Community-Districts/yfnk-k7r4
Chicago Neighboorhoods: https://data.cityofchicago.org/Facilities-Geographic-Boundaries/Boundaries-Neighborhoods/bbvz-uum9
Chicago Wards 2015-2023: https://data.cityofchicago.org/Facilities-Geographic-Boundaries/Boundaries-Wards-2015-2023-/sp34-6z76
NYC Data: https://www1.nyc.gov/site/planning/data-maps/open-data/districts-download-metadata.page
NYC Community Districts: https://esri-nyc-office.hub.arcgis.com/datasets/nycgov::nyc-community-districts/explore?location=40.716502%2C-73.940053%2C10.91
Chicago Outlines: https://commons.wikimedia.org/wiki/File:Chicago_neighborhoods_outline.svg
Historical Congressional Districts: https://cdmaps.polisci.ucla.edu
Northern Mariana Islands Shapefiles: https://www2.census.gov/geo/pvs/tiger2010st/69_Commonwealth_Of_The_Northern_Mariana_Islands/69/
Land Area US: https://www2.census.gov/geo/tiger/TIGER2014/AREALM/
American Samoa: https://www2.census.gov/geo/pvs/tiger2010st/60_American_Samoa/60/ (Note, COSUB are Counties and PLACES are Villages)
Census Map American Samoa: https://www2.census.gov/geo/maps/cong_dist/cd117/st_based/CD117_AS.pdf
Census State Codes: https://www.nlsinfo.org/content/cohorts/nlsy97/other-documentation/geocode-codebook-supplement/attachment-100-census-bureau
Montana Legislative Districts 1992-2032: https://leg.mt.gov/districting/
2008 Tigerline shapefiles: https://www2.census.gov/geo/tiger/TIGER2008/
2010 Tigerline shapefiles: https://www.census.gov/cgi-bin/geo/shapefiles/index.php?year=2010&layergroup=State+Legislative+Districts
https://www.legis.iowa.gov/legislators/redistricting?year=1981&plan=3
https://redistricting.capitol.texas.gov/history#maps-section
Historical House Results: https://dsl.richmond.edu/panorama/congress/#view=map&year=1992&xyz=0.719/0.483/2.624
ROAD Shapefiles: https://dataverse.harvard.edu/dataset.xhtml?persistentId=doi:10.7910/DVN/0MER8P&widget=dataverse@road
AK 2022: https://gis.data.alaska.gov/datasets/9f73db07a9084a06915d781680507c14_0/about
https://en.wikipedia.org/wiki/Wikipedia:WikiProject_Elections_and_Referendums/USA_legend_colors
NC: https://www.ncleg.gov/Redistricting
IL:
ARP: https://thearp.org/blog/map-archive/
Subnational Boundaries
The Dominican Republic https://data.humdata.org/dataset/cod-ab-dom
Haiti: https://data.humdata.org/dataset/geoboundaries-admin-boundaries-for-haiti?
Portugal: https://maps.princeton.edu/catalog/stanford-gy612dn2324
Spain States: https://maps.princeton.edu/catalog/stanford-kk544xm4197
Spain Regions: https://maps.princeton.edu/catalog/stanford-np165yq7060
(US) Puerto Rico: https://data.humdata.org/dataset/cod-ab-pri
South Korea (Good): https://maps.princeton.edu/catalog/stanford-dk009rq9138
North Korea (Evil): https://data.humdata.org/dataset/cod-ab-prk
Taiwan: https://maps.princeton.edu/catalog/stanford-fn648mm8787
https://maps.princeton.edu/catalog/stanford-gm351ph7903 Level 1
https://maps.princeton.edu/catalog/stanford-dz142zj5454 National Boundaries
Historical Canadian Ridings: https://borealisdata.ca/file.xhtml?fileId=449029&version=2.0
PA Historical Districts: https://www.redistricting.state.pa.us/maps/
FL Historical Districts: https://www.flsenate.gov/Session/Redistricting/MapsAndStats
VA 1700s Districts: https://data-uvalibrary.opendata.arcgis.com/datasets/uvalibrary::virginia-historical-legislative-districts/explore?location=38.349393%2C-78.728778%2C8.35
https://www.lib.niu.edu/1982/ii820410half.html
North Carolina Manuals: https://www.carolana.com/NC/NC_Manuals/
NC Precinct Shapefiles: https://dl.ncsbe.gov/?prefix=PrecinctMaps/
Canada
https://www.elections.on.ca/en/voting-in-ontario/electoral-district-shapefiles.html
Ontario
Manitoba
Japan
NYC Elections GIS (Precinct): https://www.nyc.gov/site/planning/data-maps/open-data/bytes-archive.page
Historical Chicago Wards: https://alookatcook.info
https://hub-cookcountyil.opendata.arcgis.com/datasets/0e91b48d49744346be343f0cb99d25bd/explore
https://opendata.hawaii.gov/dataset/historical-voting-precincts-2002
Chicago Wards
Historical Philadelphia Wards
Chicago Precincts:
2022 Maryland Shapefile: https://data-maryland.opendata.arcgis.com/datasets/e2d183719fe345c8abfffc9cc4196390/explore?location=38.853808%2C-76.989273%2C8.00
2012-2018 MD Shapefile: https://github.com/mggg-states/MD-shapefiles
Clark NV GIS: https://www.clarkcountynv.gov/government/departments/geographic_info_systems/services/free_gis_data1.php#outer-6012
Chicago Neighborhoods: https://data.cityofchicago.org/Facilities-Geographic-Boundaries/Boundaries-Neighborhoods/bbvz-uum9
California Precincts: https://statewidedatabase.org/d20/g22_geo_conv.html
2009-2020 VA Precincts: https://github.com/erikalopresti/virginia-voting-precincts
Westchester County NY Precincts 2023: https://gis.westchestergov.com/datasets/b6fee58e6d384d42a59c70b196d6aca1_0/about
DuPage IL Precincts:
Mississippi: https://maris.mississippi.edu/HTML/DATA/Political.html#gsc.tab=0
Louisiana Precinct Shapefiles: https://house.louisiana.gov/h_redistricting2011/default_LouisianaPrecinctShapefiles.htm
Texas Shapefiles (Texas Legislative Council): https://data.capitol.texas.gov/organization/tlc?q=precincts&sort=title_string+desc&page=2
2022 NH Shapefiles: https://new-hampshire-geodata-portal-1-nhgranit.hub.arcgis.com/datasets/NHGRANIT::new-hampshire-political-districts-voting-wards-2022/explore?location=43.954303%2C-71.117856%2C7.81
NCBOE (North Carolina Shapefiles): https://dl.ncsbe.gov/?prefix=ShapeFiles/
2022 Michigan Shapefile Precinct: https://portal.datadrivendetroit.org/datasets/233a3b3280f54a3485f1daaf0386433a/explore?location=42.777068%2C-84.219705%2C7.53
2024 Michigan Shapefile Precinct: https://portal.datadrivendetroit.org/datasets/02d40893317d46569017beeb14f9c63e_9/explore?location=42.399719%2C-83.082918%2C10.56
Washington Precincts Shapefile: https://www.sos.wa.gov/elections/data-research/election-data-and-maps/reports-data-and-statistics/precinct-shapefiles
Wisconsin Precincts: https://gis-ltsb.hub.arcgis.com/pages/download-data
Minnesota Shapefiles: https://www.gis.lcc.mn.gov/html/download.html
https://gisdata.mn.gov/organization/us-mn-state-sos Joined MN Shapefiles
2012 Elections Shapefiles: https://github.com/aaron-strauss/precinct-shapefiles/tree/master
2010s Elections Shapefiles: https://github.com/orgs/mggg-states/repositories?
Rhode Island 2022 Precinct Shapefiles: https://www.rigis.org/datasets/9104ca2e5e9b4cdb9985e8935ef2514d/explore
2022 MA Precinct Shapefiles: https://www.mass.gov/info-details/massgis-data-2022-wards-and-precincts
2022 (need to be joined together) Iowa Precinct shapefiles: https://sos.iowa.gov/elections/maps/shapefiles.html
St. Louis MO city: https://www.stlouis-mo.gov/data/formats/format.cfm?id=21
Suffolk County NY BOE & GIS : https://suffolkcountyny.gov/Departments/BOE
Rhode Island GIS: https://www.rigis.org/search?q=Precinct
2022 GIS Precincts: https://www.rigis.org/datasets/9104ca2e5e9b4cdb9985e8935ef2514d_0/explore?location=41.579876%2C-71.507024%2C9.41
2016 GIS Precincts: https://www.rigis.org/datasets/d12408938f6d42a4b02256087290cc4f_0/explore?location=41.579623%2C-71.506458%2C9.26
Montana Precincts: https://mslservices.mt.gov/Geographic_Information/Data/DataList/datalist_Details.aspx?did=%7Bdbd29997-21d8-4af1-9d87-5c5134775995%7D
2022 PA Precincts: https://www.redistricting.state.pa.us/maps/
2012-2022 MA Precincts: https://www.mass.gov/info-details/massgis-data-2012-wards-and-precincts?_gl=1*trn1wm*_ga*NDQzMjc3MjMyLjE3MjI3MzIzMzk.*_ga_MCLPEGW7WM*MTcyMjczMjM1MS4xLjAuMTcyMjczMjM1MS4wLjAuMA..#downloads-
2012-2014 NY Precincts: https://www.muckrock.com/foi/new-york-16/ny-state-election-district-shapefiles-for-past-elections-60752/
2024 Colorado Shapefiles: https://geodata.colorado.gov/datasets/42fb78fdedf248e89bfa5185651b32e9/about
New Mexico Precinct shapefiles: https://rgis.unm.edu/rgis6/
1992-2002 San Francisco Precinct Shapefiles: https://hgl.harvard.edu/catalog/ark28722-s7q88r
Hawaii Election Precincts: https://geoportal.hawaii.gov/search?collection=Dataset&q=Election%20Precincts
2024 Hawaii Precincts: https://geoportal.hawaii.gov/datasets/HiStateGIS::election-precincts/about
Utah Precincts: https://gis.utah.gov/products/sgid/political/voter-precincts/
Boston Neighborhoods: https://bostonopendata-boston.opendata.arcgis.com/datasets/boston::boston-neighborhood-boundaries-approximated-by-2020-census-block-groups/explore?location=42.320474%2C-71.051040%2C11.83
Suffolk County NY:
NH: https://nh.electionstats.com/elections/search/year_from:1970/year_to:2020/office_id:3/stage:General
MA: https://electionstats.state.ma.us/elections/search/year_from:1970/year_to:2021
CT: https://electionhistory.ct.gov/eng/
NJ: https://www.state.nj.us/state/elections/election-information-results.shtml
NJ 2: https://nj.gov/state/elections/election-information-results.shtml#top
PR: https://ww2.ceepur.org/Home/EventosElectorales & https://electionspuertorico.org/home_es.html
PR Viequez 2001: http://209.68.12.238/consulta2001/escrutinio/resumen.html
Republica Dominicana: https://jce.gob.do/Noticias/category/elecciones-1
Alaska: https://www.elections.alaska.gov/doc/info/ElectionResults.php
New Jersey: https://newjerseyglobe.com/congress/one-last-map-story/
1976-2020 Senate Elections: https://dataverse.harvard.edu/file.xhtml?fileId=6708559&version=6.1
1928 NY Governor: https://babel.hathitrust.org/cgi/pt?id=uc1.b3147254&view=1up&seq=884&skin=2021&q1=November%206,%201928
https://en.wikipedia.org/wiki/Pennsylvania_Manual PA Manual
https://elections.lib.tufts.edu
2022 NJ Congressional Results by Municipality: https://newjerseyglobe.com/congress/one-last-map-story/
Harvard Data 2002-2012: https://dataverse.harvard.edu/dataset.xhtml?persistentId=doi:10.7910/DVN/YN4TLR&version=1.0
Harvard Data 2014: https://dataverse.harvard.edu/dataset.xhtml?persistentId=doi:10.7910/DVN/B51MPX
Harvard Data 2016-2020: https://dataverse.harvard.edu/dataverse/electionscience
Delaware Elections: https://elections.delaware.gov/electionresults/election_archive.shtml
Historical Congressional Apportionment: https://en.wikipedia.org/wiki/United_States_congressional_apportionment
Historical presidential Results by CD: https://sites.google.com/view/presidentialbycongressionaldis/home?authuser=0
2000 Election results: https://www.american.edu/spa/ccps/data-sets.cfm
OH: https://www.ohiosos.gov/elections/election-results-and-data/
New York Legislative maual: https://catalog.hathitrust.org/Record/000550538
https://earlyamericanelections.org/maps/
https://dsl.richmond.edu/panorama/congress/#view=map&year=1850&xyz=0.5/0.5/1
AK Presidential results by Borough: https://cinycmaps.com/index.php/state-maps/ak/alaska-presidential-results-by-ce-1960-2016
2022 VA Results: https://www.vpap.org/visuals/visual/2022-midterm-results-by-state-legislative-districts/
1994 California: https://www.sos.ca.gov/elections/prior-elections/statewide-election-results/general-election-november-8-1994/statement-vote
Virginia: https://historical.elections.virginia.gov/elections/search/year_from:1789/year_to:2023/office_id:5
VA 2022: https://www.vpap.org/electionresults/20231107/close-races/
Argentina: https://www.argentina.gob.ar/dine/resultados-electorales/elecciones-2021
Open Elections
Chicago Historical Results
Suburban Cook: https://www.cookcountyclerkil.gov/elections/results-and-election-data/election-results
Modern Chicago: https://chicagoelections.gov/elections/results/205
Hawaii: https://elections.hawaii.gov/election-results/
AK (Alaska): https://www.elections.alaska.gov/election-results/
Jersey City: https://www.jerseycitynj.gov/cityhall/clerk/elections
2022 NY: https://www.benjrosenblatt.com/portfolio
2024 Buffalo: https://www.benjrosenblatt.com/live-results-for-ny-26-2024-special-election
Maryland: https://www.elections.maryland.gov/elections/2022/election_data/index.html
Nevada Precinct Results: https://www.nvsos.gov/sos/elections/election-information
Los Angeles Precinct Results: https://www.lavote.gov/home/voting-elections/current-elections/election-results/past-election-results
2022 GA Runoff: https://dataverse.harvard.edu/dataset.xhtml?persistentId=doi:10.7910/DVN/CTMKS2
NJ Legislative Manuals: https://www.njstatelib.org/research_library/legal_resources/historical_laws/legislative_manual/
Westchester County NY Results: https://citizenparticipation.westchestergov.com/election-dates-and-calendars/enrollment-figures-and-election-results
Anchorage Municipal Elections: https://www.muni.org/Departments/Assembly/Clerk/Elections/Pages/ResultsAndHistory.aspx
DuPage Illinois Results: https://www.dupageresults.gov/IL/DuPage/
Louisiana Precinct Results: https://voterportal.sos.la.gov/graphical
Redistricting Data Hub: https://redistrictingdatahub.org/data/
Texas Election Results (Texas Legislative Council): : https://data.capitol.texas.gov/topic/elections?page=1
NYC Election Results: https://vote.nyc/page/election-results-summary
NYC Viewer: https://www.atlasizer.com/?s=USA,New_York,New_York_City,2024-04-02,President_-_Democratic&lang=en
Ohio: https://www.ohiosos.gov/elections/election-results-and-data/
Wisconsin (WI): https://gis-ltsb.hub.arcgis.com/pages/download-data
Minnesota (MN): https://www.sos.state.mn.us/elections-voting/election-results/
Rhode Island (RI): https://elections.ri.gov/elections/previous-election-results
Washington (WA): https://www.sos.wa.gov/elections/data-research/election-data-and-maps/election-results-and-voters-pamphlets
Michigan (MI): https://miboecfr.nictusa.com/cgi-bin/cfr/precinct_srch.cgi?elect_year_type=2022pri&county_code=00&Submit=Search
Colorado: https://historicalelectiondata.coloradosos.gov/eng/contests/search/year_from:1902/year_to:2024
St. Louis MO County: https://stlouiscountymo.gov/st-louis-county-government/board-of-elections/
St. Louis MO city: https://www.stlouis-mo.gov/government/departments/board-election-commissioners/elections/results/past-years.cfm#elections2020
Idaho: https://canvass.sos.idaho.gov/eng/contests/search/year_from:1990/year_to:2022
Rhode Islands: https://elections.ri.gov/elections/previous-election-results
Montana Precinct Election Results: https://sosmt.gov/elections/results/
Illinois Precinct Election Results: https://www.elections.il.gov/ElectionOperations/ElectionVoteTotalsPrecinct.aspx?ID=rfZ%2buidMSDY%3d
Historical NC Precinct Election Results: https://www.ncsbe.gov/results-data/election-results/historical-election-results-data#precinct-sorted
California Results by Block: https://statewidedatabase.org/redistricting2021/counties.html#
NV Election Results: https://www.nvsos.gov/electionresults/PrecinctReport.aspx
Recent National: https://redistrictingdatahub.org/data/download-data/
Maine (ME) Results: https://www.maine.gov/sos/cec/elec/results/index.html
2012-2014 NY Precinct results: https://github.com/openelections/openelections-data-ny
San Francisco election Results: https://www.sf.gov/results
Hawaii Election Results: https://elections.hawaii.gov/election-results/
King county Washington (WA): Election Results: https://kingcounty.gov/en/dept/elections/results
Alaska (AK) Election Results: https://www.elections.alaska.gov/doc/info/ElectionResults.php#1994A
Wisconsin Election Results: https://elections.wi.gov/elections/election-results#accordion-11291
West Virginia Election Results: https://sos.wv.gov/elections/Pages/HistElecResults.aspx
Illinois Results by District: https://illinoiselectiondata.com/
Colorado Election Results: https://historicalelectiondata.coloradosos.gov/search?bq=false&coff[0].i=102
2022-2032 Minneapolis Wards: https://opendata.minneapolismn.gov/datasets/city-council-wards/about
MIT Election Data: https://electionlab.mit.edu/data
South Carolina
https://rfa.sc.gov/programs-services/precinct-demographics/jurisdictional-mapping/political-gis-data
https://www.enr-scvotes.org/SC/122436/web.345435/#/access-to-races
Montana
Nevada
West Virgnia
https://data.wvgis.wvu.edu/pub/Clearinghouse/Boundaries/WV_Voting_Districts_Precincts/Archive/
https://results.enr.clarityelections.com/WV/122766/web.345435/#/reporting
Ohio
Kansas
Georgia
Iowa
New Hampshire
Vermont
NYC Elections night reporting system
Tennessee:
PDF->Exel Converter: https://www.pdftoexcel.com
Shapefile converter: https://mapshaper.org
CSV Merger: https://merge-csv.com
https://openstates.org/pr/bills/2021-2024/PS130/
https://sutra.oslpr.org/osl/esutra/MedidaBus.aspx
https://www.njstatelib.org/research_library/new_jersey_resources/highlights/nj_legislature_manual/
Apportionment calculator https://apportionmentcalculator.com
County Codes US Census: https://www2.census.gov/geo/pdfs/maps-data/data/tiger/tiger2006se/app_a03.pdf
History of the Alaska Legislature: https://akleg.gov/docs/pdf/ROM-centennial.pdf
RCV Tabulator: https://www.rcvresources.org/rctab
DBF to XLS: https://anyconv.com/dbf-to-xls-converter/