Population By Race and Ethnicity in Marion County, IA in 2015

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 33,123 population of Marion County, Iowa comprised of 611 people who identified as Hispanic (1.85%), and 32,512 people who identified as Non-Hispanic (98.16%).

Race: The White Alone population was the largest racial group in Marion County, Iowa with a population of 31,949 (96.46%); Asian Alone population was the second largest racial group with a population of 463 (1.4%); and Two Or More Races was the third largest racial group with a population of 354 (1.07%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Marion County, Iowa in 2015, with a population of 31,419 (94.86%); the second largest ethnic group was White Alone - Hispanic with a population of 530 (1.6%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 461 (1.39%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Marion, 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 Marion County, IA in 2015

Total Population:33,123

Non Hispanic (98.16%)

Hispanic (1.85%)

Race in Marion County, IA in 2015

Total Population:33,123

White Alone (96.46%)

Asian Alone (1.4%)

Two or more races (1.07%)

Black or African American Alone (0.83%)

American Indian and Alaska Native Alone (0.22%)

Native Hawaiian And Pacific Islander Alone (0.03%)

Ethnicity in Marion County, IA in 2015

Total Population:33,123

Non-Hispanic White Alone (94.86%)

Hispanic White Alone (1.6%)

Non-Hispanic Asian Alone (1.39%)

Non-Hispanic Two or more races (0.97%)

Non-Hispanic Black or African American Alone (0.79%)

All Other Ethnicities (0.40%)

Population By Race in Marion , IA in 2015

Race	Population	Percentage
White Alone	31,949	96.46%
Asian Alone	463	1.4%
Two Or More Races	354	1.07%
Black or African American Alone	274	0.83%
American Indian and Alaska Native Alone	74	0.22%
Native Hawaiian And Pacific Islander Alone	9	0.03%

Population By Ethnicity in Marion , IA in 2015

Ethnicity	Population	Percentage
White Alone - Non Hispanic	31,419	94.86%
White Alone - Hispanic	530	1.6%
Asian Alone - Non Hispanic	461	1.39%
Two Or More Races - Non Hispanic	322	0.97%
Black or African American Alone - Non Hispanic	260	0.79%
American Indian and Alaska Native Alone - Non Hispanic	43	0.13%
Two Or More Races - Hispanic	32	0.1%
American Indian and Alaska Native Alone - Hispanic	31	0.09%
Black or African American Alone - Hispanic	14	0.04%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	7	0.02%
Asian Alone - Hispanic	2	0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic	2	0.01%