Missouri Number of People with Medicaid Health Insurance Coverage By Age Group in 2021

Updated on October 18, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 878,979 people in Missouri with Medicaid Health Insurance Coverage (i.e. 14.56% of Missouri population).

Among those with Medicaid health insurance coverage, 54.22% of them belonged to the Under 19 Years age group, 35.98% of them belonged to the 19 to 64 Years age group, and 9.80% of them belonged to the 65 Years and Over age group.

The chart below shows the percentage of the Missouri population with Medicaid health insurance coverage, and the table below shows the number of people and the percentage.

You can see similar information for other types of health insurance coverages.

You can also see similar information for other states, and for the United States.

Missouri Percentage of People with Medicaid Health Insurance Coverage By Age Group in 2021
Under 19 Years
19 to 64 Years
65 Years and Over
Missouri Number of People with Medicaid Health Insurance Coverage By Age Group in 2021
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Age Num. of People with Medicaid Health Ins. Percent of People With Medicaid Health Ins. (%)
Under 19 Years 476541 54.22
19 to 64 Years 316275 35.98
65 Years and Over 86163 9.80