Health Insurance Coverage in San Mateo County, CA

ACS 2024 5-Year Estimates

96.2% Rank #220/3,222 · #5 in CA
93th
San Mateo 96.2%
CA 93.4% +3.0%
US 91.7% +4.9%

Health Insurance Coverage Trend

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Percentile Rank Over Time

Year-over-Year Insurance Change

National Distribution

How San Mateo County's health insurance coverage of 96.2% compares to all 3,222 U.S. counties. Values range from 55.4% to 100.0%.

Distribution of Health Insurance Coverage Across All Counties

Ranking Context

Counties ranked closest to San Mateo County for health insurance coverage.

Nearby Rankings

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#217 Allegany County, MD 96.2%
#218 Pike County, IN 96.2%
#219 Baraga County, MI 96.2%
#220 San Mateo County, CA 96.2%
#221 Nassau County, NY 96.2%
#222 Fulton County, NY 96.2%
#223 Lac qui Parle County, MN 96.2%

About Health Insurance Coverage

San Mateo County, California has a health insurance coverage of 96.2%, ranking #220 of 3,222 counties nationwide — 4.9% above the national value of 91.7%. Within California, it ranks #5 of 58. This places it in the 93th percentile nationally.

Percentage of the population with health insurance coverage. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.