Cook County 2018 General Election Results at a Glance
The Cook County general election on November 6, 2018, was a high-turnout midterm that set the composition of county offices for years. This overview presents the verified outcomes for top offices, the ballot measures that passed, and how the results shaped local and state politics through 2019 and beyond.
| Office or Measure | Verified Outcome | Source Type |
|---|---|---|
| Clerk of the Circuit Court | Karen Yarbrough (D) | Illinois State Board of Elections |
| Recorder of Deeds | Karen Yarbrough (D) merged office post-2016 | Office consolidation effective 2016 |
| Assessor | Joseph Berrios (D) until Jan 2018; Fritz Kaegi (D) elected Nov 2018 | Certified results, CCB |
| State’s Attorney | Kim Foxx (D) | Certified results, CCB |
| Cook County Board President | Toni Preckwinkle (D) | Certified results, CCB |
| Cook County Board Seats | Democratic supermajority retained; some suburban flips to GOP in later cycles | Board canvass reports |
| Cook County Fair Tax (1%) renewal | Approved; 1% sales tax extended for infrastructure and pensions | Cumulative county canvass |
| Illinois Income Tax Rate increase | Passed via constitutional amendment (Public Act 100-1078) | |
| Medical Cannabis & Criminal Justice Expungement | 3.5% sales tax on cannabis; expungement pathways for low-level possessionImplemented via state law post-election |
Defining the Cook County General Election
Cook County elections decide offices and ballot measures that affect taxation, public safety, property records, and social services for more than 5 million residents. While partisan primaries are held earlier in even-numbered years, the general election in November determines final winners for countywide offices and local ballot questions with statewide implications, such as constitutional tax changes.
Offices on the 2018 Ballot and How They Work
Countywide offices in Cook County are partisan and elected countywide; some roles have merged or changed structure since 2018. Key offices on the 2018 ballot included:
- Clerk of the Circuit Court: oversees jury management, vital records, and case filings.
- Assessor: responsible for countywide property valuation and tax appeals.
- State’s Attorney: leads felony prosecutions in the county.
- Cook County Board: sets budgets, policies, and transportation and criminal justice initiatives.
- Ballot measures: county sales tax (Fair Tax) and state constitutional amendments impacting taxes and cannabis.
Core Issues and Ballot Measures
Beyond offices, voters weighed measures with lasting fiscal effects. The 1% sales tax for Cook County funded infrastructure, mental health services, and pension obligations. Concurrently, Illinois voters approved a graduated income tax rate increase, raising the personal income tax from 3% to 3.75%, a move tied closely to county and state budget stability. Medical cannabis, legalized in 2018, brought regulatory frameworks for dispensaries and expungement procedures for prior convictions.
Election Administration and Voter Access
Cook County elections are administered by the Chicago Board of Elections, which coordinates early voting, Election Day locations, and provisional ballot processes. In 2018, extended early voting periods and expanded mail-in ballot applications increased turnout, though some voters experienced challenges with provisional ballot counting and registration updates at the polls.
Aftermath and Long-Term Shifts
The 2018 results reinforced Democratic control of county offices while energizing suburban and grassroots participation. The outcomes influenced state-level negotiations on pensions, criminal justice reform, and cannabis regulation. Subsequent years saw adjustments in property tax appeals, assessor modernization efforts, and ongoing debates over the county Fair Tax, all traceable to the political landscape shaped in part by the 2018 election.
Lessons and Takeaways for Future Voters
Understanding the Cook County ballot requires attention to both countywide offices and statewide measures that converge on local ballots. Voters gained tools in 2018—expanded early voting, clearer sample ballots, and consolidated races—that continue to shape participation. For enduring impacts on taxes, services, and representation, tracking post-election appointments, assessor updates, and Fair Tax renewals remains essential beyond the initial vote count.
Frequently Asked Questions
- What Cook County offices were decided in 2018? Offices including Clerk of the Circuit Court, Assessor, State’s Attorney, and Cook County Board President were decided, alongside all county board seats.
- Did any offices change party control in 2018? Democratic incumbents largely retained seats, with competitive Democratic primaries shaping general-election matchups.
- How do county ballot measures affect state taxes? Cook County measures can align with state amendments; for example, the 2018 Fair Tax sat alongside the Illinois income tax increase, illustrating county-state fiscal interplay.
- What voter access changes occurred in 2018? Expanded early voting and online registration tools improved access, though provisional ballot procedures remained a point of improvement.
- Where can I find official 2018 results? Canvass reports from the Chicago Board of Elections and the Illinois State Board of Elections provide certified results and historical data.