Oklahoma Educational Attainment and Per Gender for Ages 25 years and Above in 2021 (ACS-5Yrs)

Updated on August 19, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, among the 2,607,741 Oklahoma population aged 25 years and above, 293.37K of them (11.25%) had an education level of Less than High School Diploma; and 803.73K of them (30.82%) had an education level of High School Graduate or Equivalent.

The first chart and table below shows the population and percentages of the Oklahoma population aged 25 years and above by educational attainment.

You can find the educational attainment information about the Oklahoma male and female population below.

You can see similar information for other states and for the United States.

Percentage of Oklahoma Population 25 years and above By Educational Attainment in 2021
Less HS Dipl.
HS Grad. or Equiv.
Some Coll. or AA
Bachelors+
Educational Attainment For Oklahoma Population Aged 25 years and above in 2021
Items per page:
0 of 0
Educational Level Population Percent (%)
Less than High School Diploma 293373 11.25
High School Graduate or Equivalent 803726 30.82
Some College or Associates Degree 810500 31.08
Bachelors or Higher 700142 26.85

Male Population

Among the 1,276,548 Oklahoma male population aged 25 years and above, 155.56K of them (12.19%) had an education level of Less than High School Diploma; and 413.13K of them (32.36%) had an education level of High School Graduate or Equivalent.

The chart and table below shows the population and percentages of the Oklahoma male population aged 25 years and above by educational attainment.

Percentage of Oklahoma Male Population 25 years and above By Educational Attainment in 2021
Less HS Dipl.
HS Grad. or Equiv.
Some Coll. or AA
Bachelors+
Educational Attainment For Oklahoma Male Pop. Aged 25 years and above in 2021
Items per page:
0 of 0
Educational Level Population Percent (%)
Less than High School Diploma 155556 12.19
High School Graduate or Equivalent 413134 32.36
Some College or Associates Degree 378264 29.63
Bachelors or Higher 329594 25.82

Female Population

Among the 1,331,193 Oklahoma female population aged 25 years and above, 137.82K of them (10.35%) had an education level of Less than High School Diploma; and 390.59K of them (29.34%) had an education level of High School Graduate or Equivalent.

The chart and table below shows the population and percentages of the Oklahoma female population aged 25 years and above by educational attainment.

Percentage of Oklahoma Female Population 25 years and above By Educational Attainment in 2021
Less HS Dipl.
HS Grad. or Equiv.
Some Coll. or AA
Bachelors+
Educational Attainment For Oklahoma Female Pop. Aged 25 years and above in 2021
Items per page:
0 of 0
Educational Level Population Percent (%)
Less than High School Diploma 137817 10.35
High School Graduate or Equivalent 390592 29.34
Some College or Associates Degree 432236 32.47
Bachelors or Higher 370548 27.84