Warren, Iowa Census 2020 Population By Race and Ethnicity

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 52.40K population of Warren, IA residents comprised of 1.66K residents who identified as Hispanic or Latino (3.16%), and 50.75K residents who identified as Non-Hispanic (96.84%).

Race: The White Alone population was the largest racial group in Warren, IA, with a population of 48.54K (92.63%). The Two Or More Races population was the second largest racial group in Warren, IA, with a population of 2.38K (4.54%). The Some Other Race Alone population was the third largest racial group in Warren, IA, with a population of 526 (1.00%). The smallest racial group in Warren, IA was Native Hawaiian And Pacific Islander Alone with a population of 22 (0.04%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Warren, IA, with a population of 47.90K (91.40%). The Non-Hispanic - Two or More Races population was the second largest ethnic group in Warren, IA, with a population of 1.75K (3.34%). The Hispanic - White Alone population was the third largest ethnic group in Warren, IA, with a population of 642 (1.23%). The smallest ethnic group in Warren, IA was Hispanic - Asian Alone with a population of 3 (0.01%).

The charts and tables below shows the population and percentage of each racial group and ethnicity group in Warren, Iowa from the 2020 decennial census.

You can see similar information for other Iowa counties and also for the state of Iowa.

Warren, IA Hispanics and Non Hispanics Population in Census 2020
Total Population:
Warren, IA Racial Groups in Census 2020
Total Population:
Warren, IA Ethnicity Groups in Census 2020
Total Population:
Warren, IA Population of Racial Groups in Census 2020
Items per page:
0 of 0
Race Population % of County Population
Black or African American Alone 455 0.87
White Alone 48539 92.63
American Indian and Alaska Native Alone 98 0.19
Asian Alone 383 0.73
Native Hawaiian And Pacific Islander Alone 22 0.04
Some Other Race Alone 526 1.00
Two Or More Races 2380 4.54
Warren, IA Population of Ethnicity Groups in Census 2020
Items per page:
0 of 0
Ethnicity Population % of County Population
Non-Hispanic - White Alone 47897 91.40
Non-Hispanic - Two or More Races 1752 3.34
Hispanic - White Alone 642 1.23
Hispanic - Two or More Races 628 1.20
Non-Hispanic - Black Alone 452 0.86
Non-Hispanic - Asian Alone 380 0.73
Hispanic - Some Other Race Alone 359 0.69
Non-Hispanic - Some Other Race Alone 167 0.32
Non-Hispanic - American Indian & Alaska Native 80 0.15
Hispanic - American Indian & Alaska Native 18 0.03
Non-Hispanic - Native Hawaiian & Pac. Islander 17 0.03
Hispanic - Native Hawaiian & Pac. Islander 5 0.01
Hispanic - Black Alone 3 0.01
Hispanic - Asian Alone 3 0.01