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Voting history · Ohio

Ohio

A dated list of changes to how Americans vote: district maps, polling places and drop boxes, voting laws and rules, and courts and election officials. Each entry says who did what and when, shows what became of it, and links to the page it rests on. Attempts that failed are listed as failed. Entries that rest on a news report name the outlet.

This is the state view: events recorded for Ohio, then national events that apply here. See the national timeline.

Congressional districts in Ohio

Choose a district to see the events tagged to it. A number after the district is how many events name it.

Kind of event
Decade

In Ohio

2025

  1. Oct 31, 2025 State Maps and lines Enacted

    Ohio Redistricting Commission unanimously approves a new congressional map

    NBC News reported that on Friday, October 31, 2025, the bipartisan Ohio Redistricting Commission unanimously approved a new congressional map. According to NBC, the map shifted two Democratic-held districts to the right and one to the left while keeping 10 districts that favor Republicans and two Democratic strongholds.

    Source last checked Oct 21, 2026

2024

  1. Nov 5, 2024 State Maps and lines Failed

    Ohio voters reject Issue 1, a citizen-led redistricting commission

    The Associated Press reported that on November 5, 2024, Ohio voters rejected a constitutional amendment that would have established a citizen-led redistricting commission to replace the existing mapmaking system. The Secretary of State's official canvass of the November 5, 2024 general election records 2,531,900 yes votes (46.3%) and 2,937,489 no votes (53.7%) on State Issue 1.

    Related: Ohio Supreme Court orders part of the Issue 1 redistricting ballot language rewritten

    Source last checked Oct 22, 2026

2023

  1. Sep 29, 2023 State Maps and lines Enacted

    Ohio Redistricting Commission adopts a General Assembly plan with bipartisan support

    On September 29, 2023, the Ohio Redistricting Commission adopted a General Assembly-districting plan. The Ohio Supreme Court wrote that the plan "was passed with bipartisan support and is therefore effective through the 2030 election cycle."

    Related: Ohio Supreme Court ends its oversight of the legislative redistricting cases

    Source last checked Oct 20, 2026

2021

  1. Nov 20, 2021 State Maps and lines Enacted

    Governor signs Senate Bill 258, Ohio's new congressional district map

    The Ohio Supreme Court recorded that the General Assembly enacted 2021 Sub.S.B. No. 258, a congressional-district plan that passed by a simple majority and was signed by Governor Mike DeWine on November 20, 2021.

    Related: Ohio Supreme Court invalidates congressional plan Senate Bill 258

    Source last checked Oct 20, 2026

2018

  1. 2018 State Maps and lines Enacted

    Ohio voters approve Article XIX, a new process for drawing congressional districts

    In 2018 the General Assembly passed Sub.S.J.R. No. 5 to amend the Ohio Constitution and enact Article XIX, which sets a process and standards for congressional redistricting. The Ohio Supreme Court recorded that the 2018 ballot language told voters the amendment would require the General Assembly or the Ohio Redistricting Commission to adopt new districts by a bipartisan vote for the plan to last the full 10-year period, and that Ohio voters adopted Article XIX in 2018.

    Related: Ohio Supreme Court invalidates congressional plan Senate Bill 258

    Source last checked Oct 20, 2026

2015

  1. 2015 State Maps and lines Enacted

    Ohio voters amend the constitution to change how state legislative districts are drawn

    The Ohio Supreme Court wrote in 2022 that "Ohio voters overwhelmingly voted to impose constraints on the government's ability to draw districts based on partisan gerrymandering, amending Article XI of the Ohio Constitution in 2015 for the drawing of state legislative districts." Article XI governs the Ohio Redistricting Commission.

    Related: Ohio Supreme Court invalidates the General Assembly district plan adopted September 16, 2021

    Source last checked Oct 20, 2026

2008

  1. Dec 2, 2008 County Maps and lines Pending

    Justice Department sues Euclid City School District Board of Education over at-large elections

    On December 2, 2008, the Justice Department filed a complaint and stipulations against the Euclid City School District Board of Education in Ohio (N.D. Ohio) alleging that the at-large system of electing school board members violated Section 2 of the Voting Rights Act. The Department's case page lists no outcome.

    Source last checked Oct 24, 2026

2006

  1. Jul 10, 2006 County Maps and lines Pending

    Justice Department sues Euclid, Ohio, over its mixed at-large and ward council system

    On July 10, 2006, the Justice Department filed a complaint against the City of Euclid, Ohio (N.D. Ohio) under Section 2 of the Voting Rights Act. The complaint alleges that the mixed at-large and ward system of electing the city council dilutes the voting strength of African American citizens. The Department's case page lists no outcome.

    Source last checked Oct 24, 2026

Nationwide

2026

  1. Sep 10, 2026 National Maps and lines Proposed

    Census Bureau proposes residence criteria for the 2030 census that would exclude some noncitizens from the apportionment count

    On September 10, 2026 the Census Bureau, an agency of the Department of Commerce, published a proposed rule in the Federal Register (91 FR 57524, Docket No. 260903-0005, RIN 0607-AA75) that would add two new parts to the Code of Federal Regulations: residence criteria for the decennial census, and standards and restrictions for demographic questions on the census questionnaire. On residence, the notice states that "the Census Bureau proposes to include lawful permanent residents within the apportionment base, while excluding from the apportionment base illegal aliens and aliens whose legal status is less durable and indefinite in length than lawful permanent resident status," and says it is considering using administrative records to determine legal status. The comment period, first set to end October 13, 2026, was extended to November 2, 2026 by a notice published October 5, 2026. Al Jazeera and CNBC reported on the proposal, and CNBC reported that opponents expect litigation.

    Source last checked Oct 22, 2026

2021

  1. Aug 12, 2021 National Maps and lines Settled

    Census Bureau releases 2020 redistricting data for states

    On August 12, 2021, the Census Bureau released the 2020 Census Redistricting Data (Public Law 94-171) Summary File, which it described as delivering data for states to begin redistricting. On September 16, 2021, it released the same data in an easier-to-use format on data.census.gov and delivered a toolkit to states.

    Source last checked Oct 22, 2026

  2. Apr 26, 2021 National Maps and lines Settled

    Census Bureau announces 2020 Census apportionment results

    On April 26, 2021, the Census Bureau announced that the 2020 Census resident population of the United States on April 1, 2020 was 331,449,281, and that Commerce Secretary Gina Raimondo delivered the population counts used for apportionment of the U.S. House to the President.

    Source last checked Oct 20, 2026

1967

  1. Dec 14, 1967 National Maps and lines Enacted

    Congress requires single-member congressional districts (Public Law 90-196)

    Public Law 90-196, approved December 14, 1967, provides that in each state entitled to more than one Representative "there shall be established by law a number of districts equal to the number of Representatives to which such State is so entitled," with "no district to elect more than one Representative."

    Source last checked Oct 20, 2026

How this timeline is built

Every entry rests on at least one source that was opened and read, and that source states the date and the fact. Courts, legislatures, election offices, the Justice Department, the Census Bureau, the Federal Register and Congress.gov come first. A news report is used only when no official page states the fact, and it is labeled with the outlet's name. Encyclopedias are not used as sources. History starts in 1965 with the Voting Rights Act. County names come from the Census Bureau's 2024 Gazetteer. Congressional district numbers are those in use for the 2026 election; an event is tagged to a district only when its source names that congressional district.

When a later event changes an earlier one, such as a law later struck down, both entries are listed and point to each other. This page does not predict outcomes or say which party a change helps. U.S. House maps for 2026 · Back to the 2026 voting center.