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Population Review

What are the demographics of Johnson County, IA?

Johnson County has 154,881 residents, median age 30.8. Racial composition: 77.6% White, 7.6% Black, 0.0% Asian, 1.3% Hispanic, per Census ACS 5-Year estimates.

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5460.0% of adults hold a bachelor's degree. 31.3% are foreign-born.

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Johnson County has 154,881 residents, median age 30.8. Racial composition: 77.6% White, 7.6% Black, 0.0% Asian, 1.3% Hispanic, per Census ACS 5-Year estimates.