Population By Race and Ethnicity in Johnson County, IA in 2018
Based on the US Census Vintage data estimates, in 2018, the 151,003 population of Johnson County, Iowa comprised of 8,698 people who identified as Hispanic (5.76%), and 142,305 people who identified as Non-Hispanic (94.24%).
Race: The White Alone population was the largest racial group in Johnson County, Iowa with a population of 125,084 (82.84%); Black or African American Alone population was the second largest racial group with a population of 11,630 (7.7%); and Asian Alone was the third largest racial group with a population of 9,907 (6.56%).
Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Johnson County, Iowa in 2018, with a population of 117,542 (77.84%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 11,223 (7.43%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 9,789 (6.48%).
The charts and tables below shows the population and percentage of each racial and ethnicity group in Johnson, Iowa.
You can find similar information for other Iowa counties, and for Iowa.
| Race | Population | Percentage |
|---|---|---|
| Black or African American Alone | 11,630 | 7.7% |
| White Alone | 125,084 | 82.84% |
| American Indian and Alaska Native Alone | 539 | 0.36% |
| Asian Alone | 9,907 | 6.56% |
| Native Hawaiian And Pacific Islander Alone | 74 | 0.05% |
| Two Or More Races | 3,769 | 2.5% |
| Ethnicity | Population | Percentage |
|---|---|---|
| Black or African American Alone - Hispanic | 407 | 0.27% |
| White Alone - Hispanic | 7,542 | 5% |
| American Indian and Alaska Native Alone - Hispanic | 244 | 0.16% |
| Asian Alone - Hispanic | 118 | 0.08% |
| Native Hawaiian And Pacific Islander Alone - Hispanic | 17 | 0.01% |
| Two Or More Races - Hispanic | 370 | 0.25% |
| Black or African American Alone - Non Hispanic | 11,223 | 7.43% |
| White Alone - Non Hispanic | 117,542 | 77.84% |
| American Indian and Alaska Native Alone - Non Hispanic | 295 | 0.2% |
| Asian Alone - Non Hispanic | 9,789 | 6.48% |
| Native Hawaiian And Pacific Islander Alone - Non Hispanic | 57 | 0.04% |
| Two Or More Races - Non Hispanic | 3,399 | 2.25% |