Population By Race and Ethnicity in Hamilton, IA in 2018

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2018, the 14,887 population of Hamilton County, Iowa comprised of 919 people who identified as Hispanic (6.17%), and 13,968 people who identified as Non-Hispanic (93.83%).

Race: The White Alone population was the largest racial group in Hamilton County, Iowa with a population of 14,065 (94.48%); Asian Alone population was the second largest racial group with a population of 337 (2.26%); and Two Or More Races was the third largest racial group with a population of 248 (1.67%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Hamilton County, Iowa in 2018, with a population of 13,250 (89%); the second largest ethnic group was White Alone - Hispanic with a population of 815 (5.48%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 334 (2.24%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Hamilton, Iowa.

You can find similar information for other Iowa counties, and for Iowa.

See this for other years:
Hispanics and Non Hispanics in Hamilton, IA in 2018
Total Population:
Race in Hamilton, IA in 2018
Total Population:
Ethnicity in Hamilton, IA in 2018
Total Population:
Population By Race in Hamilton , IA in 2018
Race Population Percentage
Black or African American Alone 162 1.09%
White Alone 14,065 94.48%
American Indian and Alaska Native Alone 74 0.5%
Asian Alone 337 2.26%
Native Hawaiian And Pacific Islander Alone 1 0.01%
Two Or More Races 248 1.67%
Population By Ethnicity in Hamilton , IA in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 36 0.24%
White Alone - Hispanic 815 5.48%
American Indian and Alaska Native Alone - Hispanic 36 0.24%
Asian Alone - Hispanic 3 0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic 1 0.01%
Two Or More Races - Hispanic 28 0.19%
Black or African American Alone - Non Hispanic 126 0.85%
White Alone - Non Hispanic 13,250 89%
American Indian and Alaska Native Alone - Non Hispanic 38 0.26%
Asian Alone - Non Hispanic 334 2.24%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 0 0%
Two Or More Races - Non Hispanic 220 1.48%