Municipal elections in Cook County, Illinois (2026)
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← 2024
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| 2026 Cook County elections |
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| Election dates |
| Filing deadline: November 3, 2025 |
| Primary election: March 17, 2026 General election: November 3, 2026 |
| Election stats |
| Offices up: Assessor, clerk, sheriff, treasurer, board of commissioners, board of review, water reclamation board, circuit court judges, subcircuit court judges |
| Other municipal elections |
| U.S. municipal elections, 2026 |
Cook County, Illinois, is holding general elections for assessor, clerk, sheriff, treasurer, board of commissioners, board of review, water reclamation board, circuit court judges, subcircuit court judges on November 3, 2026. A primary is scheduled for March 17, 2026. The filing deadline for the primary was November 3, 2025. The filing deadline for judges seeking retention is May 3, 2026. The filing deadline for the general election is May 26, 2026.
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About the county
- See also: Cook County, Illinois
The county government of Cook County is located in Chicago, Illinois. The county was first established in 1831. It covers a total of 946 square miles of land in northeast Illinois. As of 2020, its population was 5,275,541.
County government
- See also: Government of Cook County, Illinois
Cook County is overseen by a 17-member board of commissioners. Each commissioner is elected by district to a four-year term. Residents also elect a three-member board of review, county assessor, state's attorney, county sheriff, clerk of the circuit court, county clerk, county treasurer, and county recorder.
Demographics
The following table displays demographic data provided by the United States Census Bureau.
| Demographic Data for Cook County, Illinois | ||
|---|---|---|
| Cook County | Illinois | |
| Population | 5,275,541 | 12,812,508 |
| Land area (sq mi) | 944 | 55,512 |
| Race and ethnicity** | ||
| White | 54.4% | 69.8% |
| Black/African American | 23.3% | 14.1% |
| Asian | 7.5% | 5.6% |
| Native American | 0.3% | 0.3% |
| Pacific Islander | 0% | 0% |
| Other (single race) | 9.6% | 6% |
| Multiple | 4.9% | 4.2% |
| Hispanic/Latino | 25.3% | 17.2% |
| Education | ||
| High school graduation rate | 87.7% | 89.7% |
| College graduation rate | 40% | 35.5% |
| Income | ||
| Median household income | $67,886 | $68,428 |
| Persons below poverty level | 13.7% | 12% |
| Source: population provided by U.S. Census Bureau, "Decennial Census" (2020). Other figures provided by U.S. Census Bureau, "American Community Survey" (5-year estimates 2015-2020). | ||
| **Note: Percentages for race and ethnicity may add up to more than 100 percent because respondents may report more than one race and the Hispanic/Latino ethnicity may be selected in conjunction with any race. Read more about race and ethnicity in the census here. | ||
See also
| Cook County, Illinois | Illinois | Municipal government | Other local coverage |
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External links
Footnotes
