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

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2012, the 17,281 population of Jefferson County, Iowa comprised of 474 people who identified as Hispanic (2.74%), and 16,807 people who identified as Non-Hispanic (97.26%).

Race: The White Alone population was the largest racial group in Jefferson County, Iowa with a population of 14,992 (86.75%); Asian Alone population was the second largest racial group with a population of 1,738 (10.06%); and Black or African American Alone was the third largest racial group with a population of 260 (1.51%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Iowa in 2012, with a population of 14,582 (84.38%); the second largest ethnic group was Asian Alone - Non Hispanic with a population of 1,729 (10.01%); and the third largest ethnic group was White Alone - Hispanic with a population of 410 (2.37%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Jefferson, Iowa.

You can find similar information for other Iowa counties, and for Iowa.

See this for other years:
Hispanics and Non Hispanics in Jefferson County, IA in 2012
Total Population:
Race in Jefferson County, IA in 2012
Total Population:
Ethnicity in Jefferson County, IA in 2012
Total Population:
Population By Race in Jefferson , IA in 2012
Race Population Percentage
Black or African American Alone 260 1.51%
White Alone 14,992 86.75%
American Indian and Alaska Native Alone 38 0.22%
Asian Alone 1,738 10.06%
Native Hawaiian And Pacific Islander Alone 5 0.03%
Two Or More Races 248 1.44%
Population By Ethnicity in Jefferson , IA in 2012
Ethnicity Population Percentage
Black or African American Alone - Hispanic 22 0.13%
White Alone - Hispanic 410 2.37%
American Indian and Alaska Native Alone - Hispanic 9 0.05%
Asian Alone - Hispanic 9 0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic 1 0.01%
Two Or More Races - Hispanic 23 0.13%
Black or African American Alone - Non Hispanic 238 1.38%
White Alone - Non Hispanic 14,582 84.38%
American Indian and Alaska Native Alone - Non Hispanic 29 0.17%
Asian Alone - Non Hispanic 1,729 10.01%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 4 0.02%
Two Or More Races - Non Hispanic 225 1.3%