Counties in Oklahoma by high school graduate or higher, population 25 and over
Roger Mills County had the highest high school graduate or higher, population 25 and over of 77 counties in 2023, at 93.6%. Texas County had the lowest, at 75%. The median was 87.6% and the figure for Oklahoma was 89.1%. Source: the U.S. Census Bureau.
Map of counties, 2023
- Under 85
- 85 to 86
- 86 to 88
- 88 to 89
- 89 to 91
- 91 and over
Top 40 counties, 2023
Full ranking
| Rank | Counties | 2023 (%) | Change on 2022 |
|---|---|---|---|
| 1 | Roger Mills County | 93.6 | +1.1 pts |
| 2 | Payne County | 93.2 | 0 pts |
| 3 | Dewey County | 92.6 | -0.5 pts |
| 4 | Cleveland County | 92.3 | +0.1 pts |
| 5 | Canadian County | 92.2 | +0.2 pts |
| 5 | Rogers County | 92.2 | 0 pts |
| 7 | Logan County | 91.7 | -0.1 pts |
| 8 | Wagoner County | 91.7 | +0.1 pts |
| 9 | Washington County | 91.5 | 0 pts |
| 10 | Grant County | 91.2 | -0.8 pts |
| 11 | Noble County | 91.1 | +0.8 pts |
| 12 | Comanche County | 90.6 | +0.3 pts |
| 13 | Kay County | 90.5 | +1.2 pts |
| 14 | Grady County | 90.5 | -0.1 pts |
| 15 | Creek County | 90.5 | +0.2 pts |
| 16 | Pontotoc County | 90.5 | +1 pts |
| 17 | Nowata County | 90.4 | +0.4 pts |
| 18 | Kingfisher County | 90.2 | -0.8 pts |
| 19 | Major County | 90.1 | -0.6 pts |
| 20 | Cherokee County | 89.9 | +1.5 pts |
| 21 | Tulsa County | 89.8 | -0.1 pts |
| 22 | Osage County | 89.6 | +0.1 pts |
| 23 | Mayes County | 89.4 | +0.2 pts |
| 24 | Lincoln County | 89 | -0.1 pts |
| 25 | Washita County | 88.9 | -0.2 pts |
| 26 | McClain County | 88.7 | -0.2 pts |
| 27 | Woods County | 88.6 | -1.3 pts |
| 28 | Pottawatomie County | 88.6 | -0.1 pts |
| 29 | Oklahoma County | 88.5 | -0 pts |
| 30 | Custer County | 88.4 | +0.4 pts |
| 31 | Stephens County | 88.3 | -0.4 pts |
| 32 | Ellis County | 88.2 | +1.7 pts |
| 33 | Okmulgee County | 88.2 | +1 pts |
| 34 | Woodward County | 88 | +0.8 pts |
| 35 | Pawnee County | 87.9 | +0.2 pts |
| 36 | Carter County | 87.8 | +0.4 pts |
| 37 | Garvin County | 87.7 | +0.4 pts |
| 38 | Bryan County | 87.6 | +0.4 pts |
| 38 | Harper County | 87.6 | -2.5 pts |
| 40 | Garfield County | 87.5 | +0.7 pts |
| 40 | Johnston County | 87.5 | -0.6 pts |
| 42 | Delaware County | 87.4 | +1.6 pts |
| 43 | Pittsburg County | 87.3 | +0.6 pts |
| 44 | Ottawa County | 87.2 | +0.5 pts |
| 45 | Muskogee County | 87 | +0.1 pts |
| 46 | Caddo County | 86.7 | +0.1 pts |
| 47 | Jackson County | 86.7 | +0.8 pts |
| 48 | McIntosh County | 86.6 | +0.2 pts |
| 49 | Choctaw County | 86.3 | +1.9 pts |
| 50 | Craig County | 86.2 | +1.2 pts |
| 51 | Kiowa County | 86 | +0.4 pts |
| 52 | Alfalfa County | 85.8 | -1.6 pts |
| 53 | Murray County | 85.8 | -1 pts |
| 54 | McCurtain County | 85.7 | +0.7 pts |
| 55 | Haskell County | 85.7 | +1.2 pts |
| 56 | Pushmataha County | 85.4 | +1.3 pts |
| 57 | Le Flore County | 85.3 | +0.5 pts |
| 58 | Cotton County | 85.3 | +1.3 pts |
| 59 | Cimarron County | 85.3 | -2.2 pts |
| 60 | Love County | 85.3 | +1.4 pts |
| 60 | Seminole County | 85.3 | -0.1 pts |
| 62 | Beaver County | 85.1 | -0.4 pts |
| 63 | Jefferson County | 84.8 | 0 pts |
| 64 | Latimer County | 84.7 | -0.8 pts |
| 64 | Marshall County | 84.7 | +2.8 pts |
| 66 | Blaine County | 84.7 | +2 pts |
| 67 | Sequoyah County | 84.5 | +1 pts |
| 68 | Coal County | 84.4 | +0.7 pts |
| 69 | Beckham County | 84.3 | -0.5 pts |
| 70 | Hughes County | 84.1 | -0.1 pts |
| 71 | Atoka County | 83.6 | +0.9 pts |
| 72 | Harmon County | 83.5 | +3.5 pts |
| 73 | Okfuskee County | 83.3 | -0.2 pts |
| 74 | Adair County | 82.8 | +1.1 pts |
| 75 | Greer County | 81.7 | +0.1 pts |
| 76 | Tillman County | 81.5 | +2 pts |
| 77 | Texas County | 75 | -0.4 pts |
Other periods
About this ranking
People aged 25 and over who hold a regular high school diploma, a GED or alternative credential, or any higher level of education, as a percentage of all people aged 25 and over. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.
Measures the adult population, not students: it is not the high school graduation rate of a class. Not comparable with the EU share below upper secondary education, which covers ages 25 to 64.
Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.
How to cite
U.S. Census Bureau. American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat. Retrieved 2026-10-12.
Citation styles
APA 7
U.S. Census Bureau. (2026). American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs (Counties in Oklahoma by high school graduate or higher, population 25 and over, 2023) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat
MLA 9
American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs, Counties in Oklahoma by high school graduate or higher, population 25 and over, 2023. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat. Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/oklahoma-counties?period=2023. Accessed 12 Oct. 2026.
Chicago (author-date)
U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. Counties in Oklahoma by high school graduate or higher, population 25 and over, 2023. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat. Also distributed by Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/oklahoma-counties?period=2023.
Harvard
U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs, Counties in Oklahoma by high school graduate or higher, population 25 and over, 2023 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat, via Invokely: https://invokely.ai/rankings/high-school-graduate-or-higher/oklahoma-counties?period=2023 (Accessed: 12 October 2026).
BibTeX
@misc{census_counties_in_oklahoma_by_2023,
author = {{U.S. Census Bureau}},
title = {{American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs: Counties in Oklahoma by high school graduate or higher, population 25 and over, 2023}},
year = {2026},
howpublished = {Data set},
url = {https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat},
urldate = {2026-10-12},
note = {Accessed via Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/oklahoma-counties?period=2023. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary\_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat. Retrieved 2026-10-12.},
}
RIS
TY - DATA
AU - U.S. Census Bureau
TI - American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs: Counties in Oklahoma by high school graduate or higher, population 25 and over, 2023
PY - 2026
DA - 2026/01/29
PB - U.S. Census Bureau
DB - Invokely
UR - https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat
L2 - https://invokely.ai/rankings/high-school-graduate-or-higher/oklahoma-counties?period=2023
Y2 - 2026/10/12
N1 - Accessed via Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/oklahoma-counties?period=2023.
N1 - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat. Retrieved 2026-10-12.
ER -
Use this data in your AI agent
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Rank Counties in Oklahoma by high school graduate or higher, population 25 and over using official data, and cite the source.
rank_places {"indicator":"high_school_graduate_share","level":"province","within":"Oklahoma","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=high_school_graduate_share&level=province&within=Oklahoma&limit=10
Questions
Which county has the highest high school graduate or higher, population 25 and over?
Roger Mills County, with 93.6% in 2023, according to the U.S. Census Bureau.
Which county has the lowest high school graduate or higher, population 25 and over?
Texas County, with 75% in 2023.
Where does this ranking come from?
Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. Retrieved 2026-10-12.
High school graduate or higher, population 25 and over: other rankings
- Counties in Vermont
- Counties in Massachusetts
- Counties in Idaho
- Cities in Maine
- Cities in Wisconsin
- Cities in Colorado
Counties in Oklahoma: more rankings
- Live births, July to June
- School enrolment, children aged 3 and 4
- White (non-Hispanic) population share
- Population density
- Physical inactivity in adults, local model estimate
- County house price annual change, sales and refinances
- Uninsured rate, all ages (US)
- Fair Market Rent, three bedrooms (HUD, monthly)