Ranking of Oklahoma Congressional Districts By Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)

Updated on September 4, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the population of Oklahoma (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 803,726. Among all Oklahoma congressional districts, OK CD 2 had the highest population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (185,007), followed by OK CD 3 (172,786), and OK CD 4 (164,702).

The chart below shows the top 5 Oklahoma congressional districts, and the table below shows the ranking of all Oklahoma congressional districts.

You can see similar information for other educational attainments.

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

Ranking of Oklahoma Cnogressional Districts By Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
OK CD 2
OK CD 3
OK CD 4
OK CD 1
OK CD 5
Ranking of Oklahoma Congressional Districts By Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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Rank Congressional District Number of People
1 OK Congressional District 2 185007
2 OK Congressional District 3 172786
3 OK Congressional District 4 164702
4 OK Congressional District 1 144770
5 OK Congressional District 5 136461