Population By Race and Ethnicity in Jefferson County, IA in 2011

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2011, the 17,099 population of Jefferson County, Iowa comprised of 447 people who identified as Hispanic (2.61%), and 16,652 people who identified as Non-Hispanic (97.39%).

Race: The White Alone population was the largest racial group in Jefferson County, Iowa with a population of 14,945 (87.4%); Asian Alone population was the second largest racial group with a population of 1,621 (9.48%); and Black or African American Alone was the third largest racial group with a population of 250 (1.46%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Iowa in 2011, with a population of 14,557 (85.13%); the second largest ethnic group was Asian Alone - Non Hispanic with a population of 1,612 (9.43%); and the third largest ethnic group was White Alone - Hispanic with a population of 388 (2.27%).

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 2011
Total Population:
Race in Jefferson County, IA in 2011
Total Population:
Ethnicity in Jefferson County, IA in 2011
Total Population:
Population By Race in Jefferson , IA in 2011
Race Population Percentage
Black or African American Alone 250 1.46%
White Alone 14,945 87.4%
American Indian and Alaska Native Alone 39 0.23%
Asian Alone 1,621 9.48%
Native Hawaiian And Pacific Islander Alone 4 0.02%
Two Or More Races 240 1.4%
Population By Ethnicity in Jefferson , IA in 2011
Ethnicity Population Percentage
Black or African American Alone - Hispanic 20 0.12%
White Alone - Hispanic 388 2.27%
American Indian and Alaska Native Alone - Hispanic 8 0.05%
Asian Alone - Hispanic 9 0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic 1 0.01%
Two Or More Races - Hispanic 21 0.12%
Black or African American Alone - Non Hispanic 230 1.35%
White Alone - Non Hispanic 14,557 85.13%
American Indian and Alaska Native Alone - Non Hispanic 31 0.18%
Asian Alone - Non Hispanic 1,612 9.43%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 3 0.02%
Two Or More Races - Non Hispanic 219 1.28%