Castro, Texas 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 7.37K population of Castro, TX residents comprised of 4.78K residents who identified as Hispanic or Latino (64.90%), and 2.59K residents who identified as Non-Hispanic (35.10%).

Race: The White Alone population was the largest racial group in Castro, TX, with a population of 3.68K (49.87%). The Two Or More Races population was the second largest racial group in Castro, TX, with a population of 1.97K (26.74%). The Some Other Race Alone population was the third largest racial group in Castro, TX, with a population of 1.53K (20.78%). The smallest racial group in Castro, TX was Native Hawaiian And Pacific Islander Alone with a population of 4 (0.05%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Castro, TX, with a population of 2.33K (31.58%). The Hispanic - Two or More Races population was the second largest ethnic group in Castro, TX, with a population of 1.88K (25.52%). The Hispanic - Some Other Race Alone population was the third largest ethnic group in Castro, TX, with a population of 1.52K (20.66%). The smallest ethnic group in Castro, TX was Hispanic - Native Hawaiian & Pac. Islander with a population of 0 (0.00%).

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

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

Castro, TX Hispanics and Non Hispanics Population in Census 2020
Total Population:
Castro, TX Racial Groups in Census 2020
Total Population:
Castro, TX Ethnicity Groups in Census 2020
Total Population:
Castro, TX Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 108 1.47
White Alone 3676 49.87
American Indian and Alaska Native Alone 58 0.79
Asian Alone 22 0.30
Native Hawaiian And Pacific Islander Alone 4 0.05
Some Other Race Alone 1532 20.78
Two Or More Races 1971 26.74
Castro, TX Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 2328 31.58
Hispanic - Two or More Races 1881 25.52
Hispanic - Some Other Race Alone 1523 20.66
Hispanic - White Alone 1348 18.29
Non-Hispanic - Black Alone 95 1.29
Non-Hispanic - Two or More Races 90 1.22
Non-Hispanic - American Indian & Alaska Native 39 0.53
Non-Hispanic - Asian Alone 22 0.30
Hispanic - American Indian & Alaska Native 19 0.26
Hispanic - Black Alone 13 0.18
Non-Hispanic - Some Other Race Alone 9 0.12
Non-Hispanic - Native Hawaiian & Pac. Islander 4 0.05
Hispanic - Asian Alone 0 0.00
Hispanic - Native Hawaiian & Pac. Islander 0 0.00