San Mateo County: Uninsured Rate Trend
How San Mateo County's uninsured rate changed from 2017 to 2023, based on U.S. Census Bureau ACS 5-Year Estimates. The 2019 vintage reflects the pre-COVID peak; 2021 captures the immediate COVID-era disruption; 2022–2023 show the recovery.
2017
4.6%
2023
4.8%
Total change
+0.2 pp
% change
+4.3%
| Year | Uninsured Rate | Change |
|---|---|---|
| 2017 | 4.6% | — |
| 2019 | 7.6% | +3.0 pp (65.2%) |
| 2020 | — | — |
| 2021 | 9.0% | — |
| 2022 | 9.0% | +0.0 pp (0%) |
| 2023 | 4.8% | -4.2 pp (-46.7%) |