Contra Costa County, CA Black Alone Population - Health Insurance Coverage Status By Age Group in 2021 (ACS-5Yrs)

Updated on October 27, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, among the 99,140 Contra Costa County, CA Black Alone population, 95.03% of them had a health insurance coverage (i.e. 94,217 people), and 4.97% did not have a health insurance coverage (i.e. 4,923 people).

The following age groups of the Contra Costa County, CA Black Alone population had the highest percentage of their population group without a health insurance coverage: the 19 - 64 Years age group (6.64%), followed by the Under 19 Years age group (3.25%), and the 65 Years and Over age group (0.08%).

The chart below shows the percentage of the Contra Costa County, CA Black Alone population with or without a health insurance coverage by age group. The table below shows the number of Contra Costa County, California Black Alone population with or without a health insurance coverage.

You can see similar information for other racial or ethnicity groups.

You can also see similar information for other California counties, and for California.

Contra Costa County, CA Black Alone Population - Health Insurance Coverage Status By Age Group in 2021
Under 19 Years
19 - 64 Years
64 Years and Over
Contra Costa County, CA Black Alone Population - Health Insurance Coverage Status By Age Group in 2021
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Age Group Num. of People With Health Insurance Num. of People Without Health Insurance
19 - 64 Years 58551 4165
Under 19 Years 22214 747
65 Years and Over 13452 11