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Health insurance in Lake County, Illinois

22,464 people here have no coverage and earn in the range a premium tax credit is built for — 52% of everyone uninsured in the county.

Reviewed September 4, 2026 · 2024 Census data

22,464Uninsured, subsidy range 138–400% of poverty
7.5%Uninsured, under 65 43,444 people
6.7%Uninsured, 50 to 64 9,346 people
581,067Under-65 residents 99th of 3,143

Source: US Census Small Area Health Insurance Estimates, 2024 release. Income bands are measured against the federal poverty level.

Half the uninsured here sit in the subsidy range

Of the 43,444 people without coverage in Lake County, 22,464 — 52% — earn inside the premium tax credit range. That is near the 51% national median. Within that band itself, 12.1% have no coverage.

How many people here have no coverage

7.5% of Lake County's 581,067 under-65 residents have no health coverage — 43,444 people. That is close to the Illinois rate of 8.1%, and puts Lake County in the lower half of the 3,143 counties measured nationally (2,311th).

Who falls under the Medicaid line

9,915 of Lake County's uninsured — 23%, below the 31% typical of counties nationally — earn under $22,025 a year, which in Illinois is Medicaid territory rather than marketplace territory.

The years before Medicare

9,346 people aged 50 to 64 in Lake County have no coverage, a rate of 6.7% — close to the 7.5% across all under-65 residents here. Age-rated premiums make this the most expensive group to cover before Medicare.

Lake County against Illinois

Lake County is the 4th largest of the 18 Illinois counties we publish. Its uninsured rate runs 0.6 points lower than Illinois overall and its subsidy-band share matches the state. Coverage among 50 to 64 year olds matches the Illinois picture.

Lake CountyIllinois National median
Uninsured, under 657.5% 8.1%9.8%
Uninsured in the subsidy band22,464 423,655—
Subsidy band as a share of uninsured52% 51% 51%
At or below 138% of poverty23% 28% 31%
Uninsured, 50 to 646.7% 7.2% 8.1%

The nearest by population

CountyUninsured In the subsidy bandShare
Will County6.4%19,41451%
Kane County8.9%20,77354%
DuPage County6.1%23,56951%
McHenry County6.2%8,48552%

What a plan actually costs in Lake County

These figures say how many people here a credit would reach. What it would be worth to you depends on your age, household and income — a licensed agent can work that out on the call.

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