Population By Race and Ethnicity in Johnson County, IA in 2012

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2012, the 137,180 population of Johnson County, Iowa comprised of 6,881 people who identified as Hispanic (5.02%), and 130,299 people who identified as Non-Hispanic (94.98%).

Race: The White Alone population was the largest racial group in Johnson County, Iowa with a population of 118,395 (86.31%); Asian Alone population was the second largest racial group with a population of 7,974 (5.81%); and Black or African American Alone was the third largest racial group with a population of 7,272 (5.3%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Johnson County, Iowa in 2012, with a population of 112,386 (81.93%); the second largest ethnic group was Asian Alone - Non Hispanic with a population of 7,876 (5.74%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 6,994 (5.1%).

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.

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Hispanics and Non Hispanics in Johnson County, IA in 2012
Total Population:
Race in Johnson County, IA in 2012
Total Population:
Ethnicity in Johnson County, IA in 2012
Total Population:
Population By Race in Johnson , IA in 2012
Race Population Percentage
Black or African American Alone 7,272 5.3%
White Alone 118,395 86.31%
American Indian and Alaska Native Alone 434 0.32%
Asian Alone 7,974 5.81%
Native Hawaiian And Pacific Islander Alone 72 0.05%
Two Or More Races 3,033 2.21%
Population By Ethnicity in Johnson , IA in 2012
Ethnicity Population Percentage
Black or African American Alone - Hispanic 278 0.2%
White Alone - Hispanic 6,009 4.38%
American Indian and Alaska Native Alone - Hispanic 158 0.12%
Asian Alone - Hispanic 98 0.07%
Native Hawaiian And Pacific Islander Alone - Hispanic 18 0.01%
Two Or More Races - Hispanic 320 0.23%
Black or African American Alone - Non Hispanic 6,994 5.1%
White Alone - Non Hispanic 112,386 81.93%
American Indian and Alaska Native Alone - Non Hispanic 276 0.2%
Asian Alone - Non Hispanic 7,876 5.74%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 54 0.04%
Two Or More Races - Non Hispanic 2,713 1.98%