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

Updated on August 18, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, among the 5,278,652 Washington population aged 25 years and above, 426.50K of them (8.08%) had an education level of Less than High School Diploma; and 1.15M of them (21.79%) had an education level of High School Graduate or Equivalent.

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

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

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

Percentage of Washington 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 Washington Population Aged 25 years and above in 2021
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Educational Level Population Percent (%)
Less than High School Diploma 426501 8.08
High School Graduate or Equivalent 1150293 21.79
Some College or Associates Degree 1733850 32.85
Bachelors or Higher 1968008 37.28

Male Population

Among the 2,629,251 Washington male population aged 25 years and above, 227.22K of them (8.64%) had an education level of Less than High School Diploma; and 601.76K of them (22.89%) had an education level of High School Graduate or Equivalent.

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

Percentage of Washington 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 Washington Male Pop. Aged 25 years and above in 2021
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Educational Level Population Percent (%)
Less than High School Diploma 227216 8.64
High School Graduate or Equivalent 601758 22.89
Some College or Associates Degree 832267 31.65
Bachelors or Higher 968010 36.82

Female Population

Among the 2,649,401 Washington female population aged 25 years and above, 199.29K of them (7.52%) had an education level of Less than High School Diploma; and 548.54K of them (20.70%) had an education level of High School Graduate or Equivalent.

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

Percentage of Washington 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 Washington Female Pop. Aged 25 years and above in 2021
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Educational Level Population Percent (%)
Less than High School Diploma 199285 7.52
High School Graduate or Equivalent 548535 20.70
Some College or Associates Degree 901583 34.03
Bachelors or Higher 999998 37.74