Grundy, Iowa Population By Ethnicity in Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, among Grundy, IA population of 12,329 people, 95.64% (11,791) identified their ethnicity as Non-Hispanic - White Alone, 2.44% (301) identified their ethnicity as Non-Hispanic - Two Or More Races, and 0.59% (73) identified their ethnicity as Hispanic - Two Or More Races.

The first chart below shows the population by ethnicity and the second chart shows the percentage of the population for each ethnicity. You can also find the information in a table below.

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

Grundy, IA Population By Ethnicity in Census 2020
Non-Hispanic - White Alone
Non-Hispanic - Two or More Races
Hispanic - Two or More Races
Hispanic - White Alone
Non-Hispanic - Black Alone
Non-Hispanic - Asian Alone
Hispanic - Some Other Race Alone
Percentage of Grundy, IA Population By Ethnicity in Census 2020
Non-Hispanic - White Alone
Non-Hispanic - Two or More Races
Hispanic - Two or More Races
Hispanic - White Alone
Non-Hispanic - Black Alone
Non-Hispanic - Asian Alone
Hispanic - Some Other Race Alone
Grundy, IA Population By Ethnicity in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 11791 95.64
Non-Hispanic - Two Or More Races 301 2.44
Hispanic - Two Or More Races 73 0.59
Hispanic - White Alone 45 0.37
Non-Hispanic - Black or African American Alone 43 0.35
Non-Hispanic - Asian Alone 24 0.20
Hispanic - Some Other Race Alone 21 0.17
Non-Hispanic - Some Other Race Alone 15 0.12
Non-Hispanic - American Indian and Alaska Native Alone 10 0.08
Hispanic - Black or African American Alone 6 0.05
Hispanic - American Indian and Alaska Native Alone 0 0.00
Hispanic - Asian Alone 0 0.00
Non-Hispanic - Native Hawaiian And Pacific Islander Alone 0 0.00
Hispanic - Native Hawaiian And Pacific Islander Alone 0 0.00