Who is most at risk of being uninsured in Illinois?
In 2023, 18.8% of working-age adults below 138% of the poverty threshold in Illinois were uninsured (US avg 21.1%), and 20.8% of unemployed workers lacked coverage (US avg 24.3%), per 2023 ACS 1-year estimates (US Census Bureau). Gera Coverage Gap Score (working-age): 88.
Uninsured rates by demographic band — Illinois (2023)
| Demographic group | IL rate | US rate | GCGS |
|---|---|---|---|
| Children under 19 | 3.6% | 6.0% | 60 |
| Working-age adults 19–64 | 9.9% | 11.3% | 88 |
| Seniors 65 and older | 0.9% | 0.8% | 113 |
| Below 138% poverty (19–64) | 18.8% | 21.1% | 89 |
| 138–399% poverty (19–64) | 13.7% | 14.9% | 92 |
| 400%+ poverty (19–64) | 4.3% | 5.0% | 86 |
| Employed workers (19–64) | 8.5% | 10.0% | 85 |
| Unemployed workers (19–64) | 20.8% | 24.3% | 86 |
| Not in labor force (19–64) | 13.3% | 14.1% | 94 |
GCGS 100 = US average for that demographic. Source: 2023 ACS 1-year estimates (B27001, B27011, B27016), US Census Bureau. Methodology →
Coverage Gap Checker — Illinois
Select a demographic group to see its real ACS uninsured rate and Gera Coverage Gap Score
In Illinois, 9.9% of working-age adults (19–64) were uninsured in 2023 — 1.4 percentage points below the national rate for this demographic group.
GCGS = 100 at the national average. Higher scores = wider coverage gap. Source: 2023 ACS 1-year estimates, US Census Bureau.
Illinois has a lower working-age adults (19–64) uninsured rate than the US average. If you are uninsured, GeraClinic online consultations are available with no insurance required.
Frequently asked questions
- What percentage of working-age adults in Illinois are uninsured?
- In 2023, 9.9% of adults aged 19–64 in Illinois lacked health insurance — 1.4 percentage points below the national rate (US average 11.3%). Source: 2023 ACS 1-year estimates, B27001, US Census Bureau.
- What is the uninsured rate for children in Illinois?
- 3.6% of children under 19 in Illinois were uninsured in 2023 — 2.4 percentage points below the national rate (US 6.0%). Source: 2023 ACS B27001, US Census Bureau.
- How many low-income residents in Illinois are uninsured?
- Among working-age adults (19–64) in Illinois below 138% of the federal poverty level, 18.8% were uninsured in 2023 (US 21.1%). This group falls at or below the Medicaid eligibility threshold in expansion states. Source: 2023 ACS B27016.
- Are employed workers in Illinois insured?
- Not all. 8.5% of employed workers aged 19–64 in Illinois were uninsured in 2023 (US 10.0%), compared to 20.8% of unemployed workers (US 24.3%). Source: 2023 ACS B27011.
- What is the Gera Coverage Gap Score for Illinois?
- The GCGS for Illinois's working-age adults is 88, meaning close to national average compared to the US (GCGS 100). GCGS = round(state_rate ÷ national_rate × 100). See the full formula at https://geraclinic.com/us/insurance-demographics/methodology.
Uninsured in Illinois? See a clinician online.
9.9% of working-age adults in Illinois were uninsured in 2023. GeraClinic offers online consultations with no insurance required.
Contains public sector information published by US Census Bureau and licensed under the Public domain (US federal government work, 17 U.S.C. §105). Source: US Census Bureau — 2023 American Community Survey 1-Year Estimates (Tables B27001, B27011, B27016) (2023, published September 2024).
Informational/educational only — not a substitute for professional medical advice; a clinician interprets results.