Population By Race and Ethnicity in Polk County, IA in 2018

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 486,222 population of Polk County, Iowa comprised of 41,225 people who identified as Hispanic (8.48%), and 444,997 people who identified as Non-Hispanic (91.52%).

Race: The White Alone population was the largest racial group in Polk County, Iowa with a population of 412,859 (84.91%); Black or African American Alone population was the second largest racial group with a population of 34,838 (7.17%); and Asian Alone was the third largest racial group with a population of 24,474 (5.03%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Polk County, Iowa in 2018, with a population of 375,262 (77.18%); the second largest ethnic group was White Alone - Hispanic with a population of 37,597 (7.73%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 33,786 (6.95%).

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 2018

Total Population:486,222

Non Hispanic (91.52%)

Hispanic (8.48%)

Race in Polk County, IA in 2018

Total Population:486,222

White Alone (84.91%)

Black or African American Alone (7.17%)

Asian Alone (5.03%)

Two or more races (2.45%)

American Indian and Alaska Native Alone (0.36%)

Native Hawaiian And Pacific Islander Alone (0.08%)

Ethnicity in Polk County, IA in 2018

Total Population:486,222

Non-Hispanic White Alone (77.18%)

Hispanic White Alone (7.73%)

Non-Hispanic Black or African American Alone (6.95%)

Non-Hispanic Asian Alone (4.98%)

Non-Hispanic Two or more races (2.2%)

All Other Ethnicities (0.96%)

Population By Race in Polk , IA in 2018

Race	Population	Percentage
White Alone	412,859	84.91%
Black or African American Alone	34,838	7.17%
Asian Alone	24,474	5.03%
Two Or More Races	11,907	2.45%
American Indian and Alaska Native Alone	1,759	0.36%
Native Hawaiian And Pacific Islander Alone	385	0.08%

Population By Ethnicity in Polk , IA in 2018

Ethnicity	Population	Percentage
White Alone - Non Hispanic	375,262	77.18%
White Alone - Hispanic	37,597	7.73%
Black or African American Alone - Non Hispanic	33,786	6.95%
Asian Alone - Non Hispanic	24,229	4.98%
Two Or More Races - Non Hispanic	10,695	2.2%
Two Or More Races - Hispanic	1,212	0.25%
Black or African American Alone - Hispanic	1,052	0.22%
American Indian and Alaska Native Alone - Hispanic	978	0.2%
American Indian and Alaska Native Alone - Non Hispanic	781	0.16%
Asian Alone - Hispanic	245	0.05%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	244	0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic	141	0.03%