Population By Race and Ethnicity in Jefferson County, IA in 2017

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2017, the 18,108 population of Jefferson County, Iowa comprised of 530 people who identified as Hispanic (2.93%), and 17,578 people who identified as Non-Hispanic (97.07%).

Race: The White Alone population was the largest racial group in Jefferson County, Iowa with a population of 15,144 (83.63%); Asian Alone population was the second largest racial group with a population of 2,183 (12.06%); and Black or African American Alone was the third largest racial group with a population of 414 (2.29%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Iowa in 2017, with a population of 14,695 (81.15%); the second largest ethnic group was Asian Alone - Non Hispanic with a population of 2,170 (11.98%); and the third largest ethnic group was White Alone - Hispanic with a population of 449 (2.48%).

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 2017
Total Population:
Race in Jefferson County, IA in 2017
Total Population:
Ethnicity in Jefferson County, IA in 2017
Total Population:
Population By Race in Jefferson , IA in 2017
Race Population Percentage
Black or African American Alone 414 2.29%
White Alone 15,144 83.63%
American Indian and Alaska Native Alone 52 0.29%
Asian Alone 2,183 12.06%
Native Hawaiian And Pacific Islander Alone 5 0.03%
Two Or More Races 310 1.71%
Population By Ethnicity in Jefferson , IA in 2017
Ethnicity Population Percentage
Black or African American Alone - Hispanic 27 0.15%
White Alone - Hispanic 449 2.48%
American Indian and Alaska Native Alone - Hispanic 9 0.05%
Asian Alone - Hispanic 13 0.07%
Native Hawaiian And Pacific Islander Alone - Hispanic 2 0.01%
Two Or More Races - Hispanic 30 0.17%
Black or African American Alone - Non Hispanic 387 2.14%
White Alone - Non Hispanic 14,695 81.15%
American Indian and Alaska Native Alone - Non Hispanic 43 0.24%
Asian Alone - Non Hispanic 2,170 11.98%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 3 0.02%
Two Or More Races - Non Hispanic 280 1.55%