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Health insurance in Sangamon County, Illinois

4,335 people here have no coverage and earn in the range a premium tax credit is built for — 51% of everyone uninsured in the county.

Reviewed September 4, 2026 · 2024 Census data

4,335Uninsured, subsidy range 138–400% of poverty
5.5%Uninsured, under 65 8,488 people
4.2%Uninsured, 50 to 64 1,561 people
153,116Under-65 residents 364th 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

4,335 uninsured people in Sangamon County earn inside the premium tax credit range — 51% of the county's uninsured. That is near the 51% national median. Within that band itself, 7.4% have no coverage.

How many people here have no coverage

5.5% of Sangamon County's 153,116 under-65 residents have no health coverage — 8,488 people. That is below the Illinois rate of 8.1%, and puts Sangamon County in the bottom quarter of the 3,143 counties measured nationally (2,931st).

Who falls under the Medicaid line

2,446 of Sangamon County's uninsured — 29%, close to the 31% typical nationally — earn under $22,025 a year, which in Illinois is Medicaid territory rather than marketplace territory.

The years before Medicare

1,561 people aged 50 to 64 in Sangamon County have no coverage, a rate of 4.2% — close to the 5.5% across all under-65 residents here. Age-rated premiums make this the most expensive group to cover before Medicare.

Sangamon County against Illinois

Sangamon County is the 11th largest of the 18 Illinois counties we publish. Its uninsured rate runs 2.6 points lower than Illinois overall and its subsidy-band share matches the state. Coverage among 50 to 64 year olds is better here than across Illinois.

Sangamon CountyIllinois National median
Uninsured, under 655.5% 8.1%9.8%
Uninsured in the subsidy band4,335 423,655—
Subsidy band as a share of uninsured51% 51% 51%
At or below 138% of poverty29% 28% 31%
Uninsured, 50 to 644.2% 7.2% 8.1%

Counties of a similar size

CountyUninsured In the subsidy bandShare
Peoria County6.3%4,31148%
Champaign County6.4%4,92346%
McLean County5.8%3,81448%
Kendall County5.3%3,52653%

What a plan actually costs in Sangamon 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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