Immigration Policy in Cook County, IL (2026)

2 county-level rules, plus city-specific rules for 1 city in Cook County, Illinois.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Cook County. If you live within an incorporated city, that city's own rules apply — see the city list below.

Sanctuary Policy Preemption

Cook County Ordinance 11-O-73, adopted 2011 and strengthened 2017, prohibits the Sheriff and county agencies from honoring federal ICE detainer requests or using county resources for immigration enforcement.

Cook County Sanctuary Policy and ICE Detainer Limits

Few Restrictions

Full ordinance details →Official source ↗

E-Verify Mandates

Illinois has no E-Verify mandate for private employers and actually restricts mandatory enrollment under the Right to Privacy in the Workplace Act. Cook County imposes no additional E-Verify requirement.

Illinois E-Verify Limits and Cook County Permissive Stance

Few Restrictions

Full ordinance details →Official source ↗

Immigration Policy by City in Cook County

1 cities in Cook County have their own immigration policy rules. Each link goes to that city's dedicated page with code citations.

ChicagoPop. 2,696,555

2 verified rules • E-Verify Mandates, Sanctuary Policy Preemption

All Cook County ordinances

See every category we cover for Cook County — parking, noise, fences, fires, animals, pools, and more.

Cook County Ordinance Hub →