Data / Rankings / High school graduate or higher, population 25 and over / Counties in Oklahoma

Counties in Oklahoma by high school graduate or higher, population 25 and over, 2024

Roger Mills County had the highest high school graduate or higher, population 25 and over of 77 counties in 2024, at 94.4%. Texas County had the lowest, at 76.1%. The median was 88.1% and the figure for Oklahoma was 89.4%. Source: the U.S. Census Bureau.

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Highest94.4Roger Mills County
Lowest76.1Texas County
Median88.177 counties
Oklahoma89.4History

Map of counties, 2024

Adair County: 84.2 %Alfalfa County: 85.9 %Atoka County: 85 %Beaver County: 85.4 %Beckham County: 82.8 %Blaine County: 85.9 %Bryan County: 88.1 %Caddo County: 87.5 %Canadian County: 92.7 %Carter County: 88 %Cherokee County: 89.2 %Choctaw County: 87.4 %Cimarron County: 86.7 %Cleveland County: 92.4 %Coal County: 85.6 %Comanche County: 91 %Cotton County: 88.3 %Craig County: 85.3 %Creek County: 90.9 %Custer County: 88.8 %Delaware County: 88.5 %Dewey County: 91.9 %Ellis County: 90.9 %Garfield County: 88.1 %Garvin County: 87.1 %Grady County: 90.8 %Grant County: 91.5 %Greer County: 80.1 %Harmon County: 80.2 %Harper County: 88.4 %Haskell County: 85 %Hughes County: 84.6 %Jackson County: 86.6 %Jefferson County: 84.9 %Johnston County: 87.8 %Kay County: 90.5 %Kingfisher County: 89.2 %Kiowa County: 89.6 %Latimer County: 84.8 %Le Flore County: 85.5 %Lincoln County: 89.1 %Logan County: 91.5 %Love County: 86.5 %McClain County: 89.5 %McCurtain County: 86.1 %McIntosh County: 87.4 %Major County: 90.3 %Marshall County: 86.4 %Mayes County: 89.5 %Murray County: 86.8 %Muskogee County: 87.7 %Noble County: 89.8 %Nowata County: 91.7 %Okfuskee County: 85.4 %Oklahoma County: 88.5 %Okmulgee County: 88.7 %Osage County: 90.1 %Ottawa County: 87.7 %Pawnee County: 87.3 %Payne County: 93.6 %Pittsburg County: 87.8 %Pontotoc County: 90.6 %Pottawatomie County: 88.7 %Pushmataha County: 87.8 %Roger Mills County: 94.4 %Rogers County: 92.7 %Seminole County: 86.5 %Sequoyah County: 84.9 %Stephens County: 89.8 %Texas County: 76.1 %Tillman County: 82.2 %Tulsa County: 89.9 %Wagoner County: 92.3 %Washington County: 92.6 %Washita County: 88.2 %Woods County: 89.7 %Woodward County: 88.3 %
  • Under 85
  • 85 to 87
  • 87 to 88
  • 88 to 89
  • 89 to 91
  • 91 and over
%, 2024. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2024

Roger Mills County: 94.4 %Roger Mills County94.4Payne County: 93.6 %Payne County93.6Rogers County: 92.7 %Rogers County92.7Canadian County: 92.7 %Canadian County92.7Washington County: 92.6 %Washington County92.6Cleveland County: 92.4 %Cleveland County92.4Wagoner County: 92.3 %Wagoner County92.3Dewey County: 91.9 %Dewey County91.9Nowata County: 91.7 %Nowata County91.7Logan County: 91.5 %Logan County91.5Grant County: 91.5 %Grant County91.5Comanche County: 91 %Comanche County91Creek County: 90.9 %Creek County90.9Ellis County: 90.9 %Ellis County90.9Grady County: 90.8 %Grady County90.8Pontotoc County: 90.6 %Pontotoc County90.6Kay County: 90.5 %Kay County90.5Major County: 90.3 %Major County90.3Osage County: 90.1 %Osage County90.1Tulsa County: 89.9 %Tulsa County89.9Stephens County: 89.8 %Stephens County89.8Noble County: 89.8 %Noble County89.8Woods County: 89.7 %Woods County89.7Kiowa County: 89.6 %Kiowa County89.6Mayes County: 89.5 %Mayes County89.5McClain County: 89.5 %McClain County89.5Cherokee County: 89.2 %Cherokee County89.2Kingfisher County: 89.2 %Kingfisher County89.2Lincoln County: 89.1 %Lincoln County89.1Custer County: 88.8 %Custer County88.8Okmulgee County: 88.7 %Okmulgee County88.7Pottawatomie County: 88.7 %Pottawatomie County88.7Oklahoma County: 88.5 %Oklahoma County88.5Delaware County: 88.5 %Delaware County88.5Harper County: 88.4 %Harper County88.4Cotton County: 88.3 %Cotton County88.3Woodward County: 88.3 %Woodward County88.3Washita County: 88.2 %Washita County88.2Bryan County: 88.1 %Bryan County88.1Garfield County: 88.1 %Garfield County88.1Roger Mills County: 94.4 %Roger Mills County94.4Payne County: 93.6 %Payne County93.6Rogers County: 92.7 %Rogers County92.7Canadian County: 92.7 %Canadian County92.7Washington County: 92.6 %Washington County92.6Cleveland County: 92.4 %Cleveland County92.4Wagoner County: 92.3 %Wagoner County92.3Dewey County: 91.9 %Dewey County91.9Nowata County: 91.7 %Nowata County91.7Logan County: 91.5 %Logan County91.5Grant County: 91.5 %Grant County91.5Comanche County: 91 %Comanche County91Creek County: 90.9 %Creek County90.9Ellis County: 90.9 %Ellis County90.9Grady County: 90.8 %Grady County90.8Pontotoc County: 90.6 %Pontotoc County90.6Kay County: 90.5 %Kay County90.5Major County: 90.3 %Major County90.3Osage County: 90.1 %Osage County90.1Tulsa County: 89.9 %Tulsa County89.9Stephens County: 89.8 %Stephens County89.8Noble County: 89.8 %Noble County89.8Woods County: 89.7 %Woods County89.7Kiowa County: 89.6 %Kiowa County89.6Mayes County: 89.5 %Mayes County89.5McClain County: 89.5 %McClain County89.5Cherokee County: 89.2 %Cherokee County89.2Kingfisher County: 89.2 %Kingfisher County89.2Lincoln County: 89.1 %Lincoln County89.1Custer County: 88.8 %Custer County88.8Okmulgee County: 88.7 %Okmulgee County88.7Pottawatomie County: 88.7 %Pottawatomie County88.7Oklahoma County: 88.5 %Oklahoma County88.5Delaware County: 88.5 %Delaware County88.5Harper County: 88.4 %Harper County88.4Cotton County: 88.3 %Cotton County88.3Woodward County: 88.3 %Woodward County88.3Washita County: 88.2 %Washita County88.2Bryan County: 88.1 %Bryan County88.1Garfield County: 88.1 %Garfield County88.1
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2024 (%)Change on 2023
1Roger Mills County94.4+0.8 pts
2Payne County93.6+0.4 pts
3Rogers County92.7+0.5 pts
4Canadian County92.7+0.5 pts
5Washington County92.6+1.1 pts
6Cleveland County92.4+0.1 pts
7Wagoner County92.3+0.5 pts
8Dewey County91.9-0.6 pts
9Nowata County91.7+1.3 pts
10Logan County91.5-0.2 pts
11Grant County91.5+0.3 pts
12Comanche County91+0.4 pts
13Creek County90.9+0.5 pts
13Ellis County90.9+2.7 pts
15Grady County90.8+0.4 pts
16Pontotoc County90.6+0.1 pts
17Kay County90.50 pts
18Major County90.3+0.1 pts
19Osage County90.1+0.5 pts
20Tulsa County89.9+0.1 pts
21Stephens County89.8+1.5 pts
22Noble County89.8-1.3 pts
23Woods County89.7+1.1 pts
24Kiowa County89.6+3.5 pts
25Mayes County89.5+0.2 pts
26McClain County89.5+0.8 pts
27Cherokee County89.2-0.7 pts
28Kingfisher County89.2-1 pts
29Lincoln County89.10 pts
30Custer County88.8+0.3 pts
31Okmulgee County88.7+0.5 pts
32Pottawatomie County88.7+0.1 pts
33Oklahoma County88.50 pts
34Delaware County88.5+1.1 pts
35Harper County88.4+0.8 pts
36Cotton County88.3+3 pts
37Woodward County88.3+0.3 pts
38Washita County88.2-0.7 pts
39Bryan County88.1+0.5 pts
40Garfield County88.1+0.6 pts
41Carter County88+0.2 pts
42Johnston County87.8+0.3 pts
43Pushmataha County87.8+2.3 pts
44Pittsburg County87.8+0.5 pts
45Ottawa County87.7+0.5 pts
46Muskogee County87.7+0.7 pts
47Caddo County87.5+0.8 pts
48Choctaw County87.4+1.1 pts
49McIntosh County87.4+0.8 pts
50Pawnee County87.3-0.6 pts
51Garvin County87.1-0.6 pts
52Murray County86.8+1 pts
53Cimarron County86.7+1.4 pts
54Jackson County86.6-0 pts
55Love County86.5+1.2 pts
55Seminole County86.5+1.2 pts
57Marshall County86.4+1.7 pts
58McCurtain County86.1+0.3 pts
59Blaine County85.9+1.3 pts
60Alfalfa County85.90 pts
61Coal County85.6+1.3 pts
62Le Flore County85.5+0.2 pts
63Okfuskee County85.4+2.1 pts
64Beaver County85.4+0.3 pts
65Craig County85.3-0.9 pts
66Atoka County85+1.4 pts
67Haskell County85-0.6 pts
68Jefferson County84.9+0.1 pts
69Sequoyah County84.9+0.4 pts
70Latimer County84.80 pts
71Hughes County84.6+0.5 pts
72Adair County84.2+1.4 pts
73Beckham County82.8-1.5 pts
74Tillman County82.2+0.7 pts
75Harmon County80.2-3.3 pts
76Greer County80.1-1.6 pts
77Texas County76.1+1.1 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/2024/table-based-SF/data/5YRData/acsdt5y2024-b15003.dat. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

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, 2024) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-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, 2024. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b15003.dat. Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/oklahoma-counties. 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, 2024. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b15003.dat. Also distributed by Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/oklahoma-counties.

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, 2024 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b15003.dat, via Invokely: https://invokely.ai/rankings/high-school-graduate-or-higher/oklahoma-counties (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_oklahoma_by_2024,
  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, 2024}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b15003.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/oklahoma-counties. 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/2024/table-based-SF/data/5YRData/acsdt5y2024-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, 2024
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b15003.dat
L2  - https://invokely.ai/rankings/high-school-graduate-or-higher/oklahoma-counties
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/oklahoma-counties.
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/2024/table-based-SF/data/5YRData/acsdt5y2024-b15003.dat. Retrieved 2026-10-12.
ER  -
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Questions

Which county has the highest high school graduate or higher, population 25 and over?

Roger Mills County, with 94.4% in 2024, according to the U.S. Census Bureau.

Which county has the lowest high school graduate or higher, population 25 and over?

Texas County, with 76.1% in 2024.

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 Oklahoma: more rankings