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.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in Jefferson County, IA in 2017

Total Population:18,108

Non Hispanic (97.07%)

Hispanic (2.93%)

Race in Jefferson County, IA in 2017

Total Population:18,108

White Alone (83.63%)

Asian Alone (12.06%)

Black or African American Alone (2.29%)

Two or more races (1.71%)

American Indian and Alaska Native Alone (0.29%)

Native Hawaiian And Pacific Islander Alone (0.03%)

Ethnicity in Jefferson County, IA in 2017

Total Population:18,108

Non-Hispanic White Alone (81.15%)

Non-Hispanic Asian Alone (11.98%)

Hispanic White Alone (2.48%)

Non-Hispanic Black or African American Alone (2.14%)

Non-Hispanic Two or more races (1.55%)

All Other Ethnicities (0.70%)

Population By Race in Jefferson , IA in 2017

Race	Population	Percentage
White Alone	15,144	83.63%
Asian Alone	2,183	12.06%
Black or African American Alone	414	2.29%
Two Or More Races	310	1.71%
American Indian and Alaska Native Alone	52	0.29%
Native Hawaiian And Pacific Islander Alone	5	0.03%

Population By Ethnicity in Jefferson , IA in 2017

Ethnicity	Population	Percentage
White Alone - Non Hispanic	14,695	81.15%
Asian Alone - Non Hispanic	2,170	11.98%
White Alone - Hispanic	449	2.48%
Black or African American Alone - Non Hispanic	387	2.14%
Two Or More Races - Non Hispanic	280	1.55%
American Indian and Alaska Native Alone - Non Hispanic	43	0.24%
Two Or More Races - Hispanic	30	0.17%
Black or African American Alone - Hispanic	27	0.15%
Asian Alone - Hispanic	13	0.07%
American Indian and Alaska Native Alone - Hispanic	9	0.05%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	3	0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic	2	0.01%