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.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in Jefferson County, IA in 2011

Total Population:17,099

Non Hispanic (97.39%)

Hispanic (2.61%)

Race in Jefferson County, IA in 2011

Total Population:17,099

White Alone (87.4%)

Asian Alone (9.48%)

Black or African American Alone (1.46%)

Two or more races (1.4%)

American Indian and Alaska Native Alone (0.23%)

Native Hawaiian And Pacific Islander Alone (0.02%)

Ethnicity in Jefferson County, IA in 2011

Total Population:17,099

Non-Hispanic White Alone (85.13%)

Non-Hispanic Asian Alone (9.43%)

Hispanic White Alone (2.27%)

Non-Hispanic Black or African American Alone (1.35%)

Non-Hispanic Two or more races (1.28%)

All Other Ethnicities (0.54%)

Population By Race in Jefferson , IA in 2011

Race	Population	Percentage
White Alone	14,945	87.4%
Asian Alone	1,621	9.48%
Black or African American Alone	250	1.46%
Two Or More Races	240	1.4%
American Indian and Alaska Native Alone	39	0.23%
Native Hawaiian And Pacific Islander Alone	4	0.02%

Population By Ethnicity in Jefferson , IA in 2011

Ethnicity	Population	Percentage
White Alone - Non Hispanic	14,557	85.13%
Asian Alone - Non Hispanic	1,612	9.43%
White Alone - Hispanic	388	2.27%
Black or African American Alone - Non Hispanic	230	1.35%
Two Or More Races - Non Hispanic	219	1.28%
American Indian and Alaska Native Alone - Non Hispanic	31	0.18%
Two Or More Races - Hispanic	21	0.12%
Black or African American Alone - Hispanic	20	0.12%
Asian Alone - Hispanic	9	0.05%
American Indian and Alaska Native Alone - Hispanic	8	0.05%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	3	0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic	1	0.01%