Who is most at risk of being uninsured in California?
In 2023, 13.9% of working-age adults below 138% of the poverty threshold in California were uninsured (US avg 21.1%), and 16.4% of unemployed workers lacked coverage (US avg 24.3%), per 2023 ACS 1-year estimates (US Census Bureau). Gera Coverage Gap Score (working-age): 74.
Uninsured rates by demographic band — California (2023)
| Demographic group | CA rate | US rate | GCGS |
|---|---|---|---|
| Children under 19 | 3.1% | 6.0% | 52 |
| Working-age adults 19–64 | 8.4% | 11.3% | 74 |
| Seniors 65 and older | 1.0% | 0.8% | 125 |
| Below 138% poverty (19–64) | 13.9% | 21.1% | 66 |
| 138–399% poverty (19–64) | 11.9% | 14.9% | 80 |
| 400%+ poverty (19–64) | 4.1% | 5.0% | 82 |
| Employed workers (19–64) | 7.4% | 10.0% | 74 |
| Unemployed workers (19–64) | 16.4% | 24.3% | 67 |
| Not in labor force (19–64) | 9.9% | 14.1% | 70 |
GCGS 100 = US average for that demographic. Source: 2023 ACS 1-year estimates (B27001, B27011, B27016), US Census Bureau. Methodology →
Coverage Gap Checker — California
Select a demographic group to see its real ACS uninsured rate and Gera Coverage Gap Score
In California, 8.4% of working-age adults (19–64) were uninsured in 2023 — 2.9 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.
California 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 California are uninsured?
- In 2023, 8.4% of adults aged 19–64 in California lacked health insurance — 2.9 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 California?
- 3.1% of children under 19 in California were uninsured in 2023 — 2.9 percentage points below the national rate (US 6.0%). Source: 2023 ACS B27001, US Census Bureau.
- How many low-income residents in California are uninsured?
- Among working-age adults (19–64) in California below 138% of the federal poverty level, 13.9% 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 California insured?
- Not all. 7.4% of employed workers aged 19–64 in California were uninsured in 2023 (US 10.0%), compared to 16.4% of unemployed workers (US 24.3%). Source: 2023 ACS B27011.
- What is the Gera Coverage Gap Score for California?
- The GCGS for California's working-age adults is 74, meaning below 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 California? See a clinician online.
8.4% of working-age adults in California 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.