Colorado 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 3,937,040 Colorado population aged 25 years and above, 300.62K of them (7.64%) had an education level of Less than High School Diploma; and 810.98K of them (20.60%) had an education level of High School Graduate or Equivalent.

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

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

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

Percentage of Colorado 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 Colorado Population Aged 25 years and above in 2021
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Educational Level Population Percent (%)
Less than High School Diploma 300620 7.64
High School Graduate or Equivalent 810976 20.60
Some College or Associates Degree 1139275 28.94
Bachelors or Higher 1686169 42.83

Male Population

Among the 1,975,516 Colorado male population aged 25 years and above, 160.29K of them (8.11%) had an education level of Less than High School Diploma; and 430.18K of them (21.78%) had an education level of High School Graduate or Equivalent.

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

Percentage of Colorado 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 Colorado Male Pop. Aged 25 years and above in 2021
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Educational Level Population Percent (%)
Less than High School Diploma 160291 8.11
High School Graduate or Equivalent 430183 21.78
Some College or Associates Degree 559043 28.30
Bachelors or Higher 825999 41.81

Female Population

Among the 1,961,524 Colorado female population aged 25 years and above, 140.33K of them (7.15%) had an education level of Less than High School Diploma; and 380.79K of them (19.41%) had an education level of High School Graduate or Equivalent.

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

Percentage of Colorado 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 Colorado Female Pop. Aged 25 years and above in 2021
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Educational Level Population Percent (%)
Less than High School Diploma 140329 7.15
High School Graduate or Equivalent 380793 19.41
Some College or Associates Degree 580232 29.58
Bachelors or Higher 860170 43.85