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

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 467,517 population of Polk County, Iowa comprised of 37,540 people who identified as Hispanic (8.03%), and 429,977 people who identified as Non-Hispanic (91.97%).

Race: The White Alone population was the largest racial group in Polk County, Iowa with a population of 402,068 (86%); Black or African American Alone population was the second largest racial group with a population of 31,678 (6.78%); and Asian Alone was the third largest racial group with a population of 21,033 (4.5%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Polk County, Iowa in 2015, with a population of 367,919 (78.7%); the second largest ethnic group was White Alone - Hispanic with a population of 34,149 (7.3%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 30,691 (6.57%).

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

Total Population:467,517

Non Hispanic (91.97%)

Hispanic (8.03%)

Race in Polk County, IA in 2015

Total Population:467,517

White Alone (86%)

Black or African American Alone (6.78%)

Asian Alone (4.5%)

Two or more races (2.27%)

American Indian and Alaska Native Alone (0.38%)

Native Hawaiian And Pacific Islander Alone (0.08%)

Ethnicity in Polk County, IA in 2015

Total Population:467,517

Non-Hispanic White Alone (78.7%)

Hispanic White Alone (7.3%)

Non-Hispanic Black or African American Alone (6.57%)

Non-Hispanic Asian Alone (4.45%)

Non-Hispanic Two or more races (2.04%)

All Other Ethnicities (0.95%)

Population By Race in Polk , IA in 2015

Race	Population	Percentage
White Alone	402,068	86%
Black or African American Alone	31,678	6.78%
Asian Alone	21,033	4.5%
Two Or More Races	10,630	2.27%
American Indian and Alaska Native Alone	1,758	0.38%
Native Hawaiian And Pacific Islander Alone	350	0.08%

Population By Ethnicity in Polk , IA in 2015

Ethnicity	Population	Percentage
White Alone - Non Hispanic	367,919	78.7%
White Alone - Hispanic	34,149	7.3%
Black or African American Alone - Non Hispanic	30,691	6.57%
Asian Alone - Non Hispanic	20,797	4.45%
Two Or More Races - Non Hispanic	9,536	2.04%
Two Or More Races - Hispanic	1,094	0.23%
Black or African American Alone - Hispanic	987	0.21%
American Indian and Alaska Native Alone - Hispanic	964	0.21%
American Indian and Alaska Native Alone - Non Hispanic	794	0.17%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	240	0.05%
Asian Alone - Hispanic	236	0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic	110	0.02%