Cook, DuPage, and Lake counties anchor Chicagoland's senior care landscape. Here's how they compare on cost, community type, and fit for a parent's care.
By Margaret Okafor, CSA · May 7, 2026
Cook County (the city of Chicago plus close-in and south suburbs like Oak Lawn, Orland Park, Cicero, Evanston, and Skokie) is the population center of the region and has by far the deepest inventory of assisted living, supportive living, memory care, skilled nursing, home health, and hospice options. DuPage County (Naperville, Wheaton, and the western suburbs) tends to offer newer, often higher-priced communities in an affluent suburban setting. Lake County (Waukegan, and the North Shore's northern reaches) mixes premium North Shore-adjacent communities with more moderate options further north.
All three counties are regulated the same way — every assisted living or shared housing establishment is licensed by the Illinois Department of Public Health (IDPH) under the Assisted Living and Shared Housing Act (210 ILCS 9) and 77 Ill. Adm. Code 295, and nursing homes under the Nursing Home Care Act (210 ILCS 45). Illinois Medicaid works the same way statewide through the Supportive Living Program for facility care and the Community Care Program for in-home services. The differences between counties are about inventory, pricing, and character, not regulation.
Cook County offers the broadest range: large purpose-built city buildings, North Shore communities in Evanston and Skokie, and moderately priced south- and west-suburban residences in Oak Lawn, Orland Park, and Cicero. Because of that depth, Cook is often where families have the most leverage to compare specific communities on price and care level. DuPage County, especially Naperville and Wheaton, tends to price toward the top of the region's $4,500–$6,500 assisted living range, reflecting newer construction and higher land values.
Lake County spans a wide spectrum: communities near the North Shore price high, while options further north around Waukegan often run closer to or below the regional median. Families weighing Lake County should also factor in the Captain James A. Lovell Federal Health Care Center in North Chicago if a veteran parent is involved. Across all three counties, the single most useful cost move is to compare communities at the actual care level your parent needs, since care-tier add-ons drive the real bill more than the base rent does.
Start with family proximity — most families choose the county where they can visit easily and where the parent already has roots. Then layer in budget: Cook offers the widest spread from moderate south-suburban residences to premium North Shore buildings; DuPage skews higher; Lake runs the full range. Then consider care level and whether an assisted living community can meet your parent's needs or whether supportive living (for Medicaid eligibility) or a nursing home is the better fit.
Whichever county you choose, verify the specific community's IDPH license and inspection history at idph.illinois.gov — a strong reputation in one county says nothing about a specific community's inspection record. A free advisor who covers Cook, DuPage, and Lake counties (plus Kane, Will, and McHenry across greater Chicagoland) can pull comparable options across all of them and help a family decide without touring a dozen places cold.
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