Johnson County, Iowa Race & Ethnicity Demographics (2024)
Racial distribution and diversity statistics for Johnson County, Iowa
Johnson County, Iowa Diversity Indicators (2024)
Total Population
156,639
Diversity Score
42.5
Diversity Tier
Moderate
Largest Group
White (Non-Hispanic)
74.8%%
Johnson County, Iowa Racial & Ethnic Breakdown

Johnson County, Iowa Historical Diversity Trend (2010–2024)

Since 2010, the diversity index of Johnson County, Iowa has increased significantly.
Johnson County, Iowa Population by Race & Ethnicity
| Race / Ethnicity | Population | Percentage |
|---|---|---|
| White (Non-Hispanic) | 117,191 | 74.8% |
| Black / African American | 11,930 | 7.6% |
| Hispanic or Latino | 10,554 | 6.7% |
| Asian | 8,819 | 5.6% |
| Two or More Races | 7,139 | 4.6% |
| Other Race | 859 | 0.5% |
| Native American | 116 | 0.1% |
| Pacific Islander | 31 | 0.0% |
Diversity & Demographics FAQs for Johnson County, Iowa
The largest racial or ethnic group in Johnson County, Iowa is White (Non-Hispanic), which makes up 74.8% of the total population.
Since 2010, the diversity index for Johnson County, Iowa has increased significantly. The area currently has a diversity score of 42.5/100, which is considered a Moderate level of diversity.