River Region Times

34.1 percent of people 25 years or older had an associate's degree or higher in Holtville CDP in 2020, according to data obtained from the U.S. Census Bureau.

This was 0.9 percent lower than the state average of 35 percent. In 2020 the total municipality population reached 4,476.

94.3 percent of the population had at least a high school diploma or the equivalent.

Degree	Number of people	Percentage of population
No degree	164	5.7
Regular high school diploma	858	29.7
GED or alternative credential	75	2.6
Some college, less than 1 year	293	10.1
Some college, 1 or more years, no degree	513	17.8
Associate's degree	263	9.1
Bachelor's degree	451	15.6
Master's degree	265	9.2
Professional school degree	7	0.2
Doctorate degree	0	0

*All data is for residents who were at least 25 years old in 2020.