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

Updated on September 2, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the US population (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 26.49%. Among all US counties, Kusilvak Census Area, AK had the highest percentage of its population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (55.61%), followed by Forest County, PA (53.39%), and Calhoun County, WV (53.26%).

The chart below shows the top 10 counties, and the table below shows the ranking of the top 500 counties.

You can see similar information for other educational attainments.

Related Topics: US Census 2021 Topic List.
Ranking of US Counties By Percentage of Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
Kusilvak Census Area, AK
Forest County, PA
Calhoun County, WV
Barbour County, WV
Monroe County, WV
Carter County, MO
Cameron County, PA
Clay County, WV
Noble County, OH
Grant County, WV
Ranking of US Counties By Percentage of Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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Rank County Percentage of Population (Aged 25yrs+) (%)
1 Kusilvak Census Area, AK 55.61
2 Forest County, PA 53.39
3 Calhoun County, WV 53.26
4 Barbour County, WV 53.13
5 Monroe County, WV 52.49
6 Carter County, MO 52.09
7 Cameron County, PA 51.99
8 Clay County, WV 51.98
9 Noble County, OH 51.90
10 Grant County, WV 51.79
11 Pike County, MO 51.77
12 Wilkinson County, GA 51.66
13 Pendleton County, WV 51.53
14 Crowley County, CO 51.45
15 Nevada County, AR 51.31
15 Switzerland County, IN 51.31
16 Red River Parish, LA 51.17
16 Jefferson County, PA 51.17
17 Randolph County, WV 51.15
18 Ashley County, AR 50.88
19 McDowell County, WV 50.70
20 Upshur County, WV 50.61
21 Huntingdon County, PA 50.05
22 Ben Hill County, GA 50.03
23 Monroe County, OH 49.98
24 Madison County, AR 49.90
25 Harrison County, OH 49.74
26 Bedford County, PA 49.71
27 Mifflin County, PA 49.66
28 Hardin County, OH 49.64
29 Ritchie County, WV 49.61
30 Gallatin County, KY 49.59
31 Elk County, PA 49.57
32 Lincoln County, CO 49.51
33 Guadalupe County, NM 49.48
34 Blackford County, IN 49.46
35 Van Buren County, TN 49.32
36 Northumberland County, PA 49.30
37 Worth County, MO 49.29
38 Wheeler County, GA 49.24
39 Juniata County, PA 49.14
40 Ralls County, MO 49.08
41 Fulton County, PA 49.06
42 Armstrong County, PA 48.96
42 Somerset County, PA 48.96
43 Macon County, TN 48.92
44 Pocahontas County, WV 48.77
45 Sullivan County, PA 48.73
46 Schuyler County, MO 48.71
47 Monroe County, MO 48.70
48 Bent County, CO 48.56
49 Nicholas County, WV 48.53
50 Dallas County, MO 48.49
51 Clay County, TN 48.48
52 Conecuh County, AL 48.47
53 Benton County, TN 48.39
54 Wetzel County, WV 48.24
55 Pleasants County, WV 48.23
56 Bates County, MO 48.17
57 Lincoln County, AR 48.15
58 Sullivan County, MO 48.11
58 Preston County, WV 48.11
59 McNairy County, TN 48.05
60 Marlboro County, SC 47.99
61 Bienville Parish, LA 47.95
62 West Carroll Parish, LA 47.94
63 Bollinger County, MO 47.91
64 Hickory County, MO 47.89
65 Carroll County, OH 47.88
65 Perry County, OH 47.88
66 Fayette County, PA 47.86
67 Dixie County, FL 47.84
68 Carlisle County, KY 47.67
69 Humphreys County, TN 47.66
70 Marion County, SC 47.59
71 Clarion County, PA 47.56
72 Sabine Parish, LA 47.53
72 Clinton County, PA 47.53
73 Lewis County, WV 47.52
74 Bradford County, PA 47.47
75 Clearfield County, PA 47.38
75 Covington city, VA 47.38
76 Webster County, KY 47.37
77 Caldwell Parish, LA 47.34
78 Braxton County, WV 47.33
79 Boone County, WV 47.24
80 Crawford County, PA 47.22
81 Tyler County, WV 47.19
82 Jay County, IN 47.13
83 McKean County, PA 47.12
84 Hardy County, WV 47.10
85 Northwest Arctic Borough, AK 47.09
86 Hampshire County, WV 47.05
87 Gilmer County, WV 47.04
88 Cocke County, TN 47.03
89 Webster County, WV 47.02
90 Mississippi County, MO 46.99
91 Venango County, PA 46.98
92 Bracken County, KY 46.95
93 Crawford County, IN 46.92
94 Henderson County, TN 46.88
95 Adair County, OK 46.83
96 Wyandot County, OH 46.77
97 Haywood County, TN 46.75
98 Franklin County, ID 46.73
99 Cleveland County, AR 46.72
99 Mineral County, WV 46.72
100 Wyoming County, WV 46.71
101 Holt County, MO 46.65
102 Bethel Census Area, AK 46.62
103 Overton County, TN 46.58
103 Sterling County, TX 46.58
104 McMullen County, TX 46.57
105 Alger County, MI 46.55
106 Lauderdale County, TN 46.54
107 St. Mary Parish, LA 46.53
107 Perry County, PA 46.53
108 Winn Parish, LA 46.50
108 Chariton County, MO 46.50
109 Pike County, OH 46.49
110 St. Martin Parish, LA 46.48
110 Haakon County, SD 46.48
111 Shannon County, MO 46.43
111 Jackson County, OH 46.43
112 Potter County, PA 46.40
113 Hardee County, FL 46.39
113 Union County, KY 46.39
113 Huron County, OH 46.39
114 Union Parish, LA 46.35
115 DeKalb County, MO 46.34
116 Wyoming County, PA 46.32
117 Susquehanna County, PA 46.28
118 Elliott County, KY 46.26
119 Nicholas County, KY 46.25
119 Crawford County, OH 46.25
120 Yalobusha County, MS 46.24
121 Warren County, PA 46.20
122 Belmont County, OH 46.19
123 Scott County, TN 46.18
124 Hickman County, TN 46.16
124 Lincoln County, WV 46.16
125 Warren County, TN 46.12
126 Washington County, GA 46.05
127 Linn County, MO 46.02
128 Claiborne Parish, LA 46.00
129 Darke County, OH 45.99
130 Doddridge County, WV 45.94
131 Butler County, KY 45.91
132 Lafayette County, AR 45.88
133 Tuscarawas County, OH 45.86
134 Leslie County, KY 45.84
135 Edmonson County, KY 45.82
136 Pemiscot County, MO 45.81
137 Perry County, IN 45.79
138 Holmes County, FL 45.77
138 Meigs County, OH 45.77
139 Cumberland County, KY 45.76
140 Morgan County, TN 45.75
141 Roane County, WV 45.71
142 Hamilton County, FL 45.70
143 Trousdale County, TN 45.69
144 Trimble County, KY 45.65
144 Page County, VA 45.65
145 Harrison County, MO 45.62
145 Brown County, OH 45.62
146 Ray County, MO 45.61
147 Wilkes County, GA 45.58
148 Lee County, AR 45.57
149 Newton County, IN 45.56
150 Pulaski County, IN 45.54
150 Morrow County, OH 45.54
150 Buckingham County, VA 45.54
150 Mingo County, WV 45.54
151 Grayson County, KY 45.53
152 Macon County, MO 45.51
153 New Madrid County, MO 45.45
154 Rush County, IN 45.44
155 Knox County, MO 45.42
156 Fayette County, OH 45.39
157 Clinton County, IN 45.36
158 Schuylkill County, PA 45.30
159 Brantley County, GA 45.28
159 Grant County, KY 45.28
160 Dallas County, AR 45.24
161 Lewis County, MO 45.23
162 Echols County, GA 45.22
163 Butler County, AL 45.20
164 Taliaferro County, GA 45.17
164 Logan County, WV 45.17
165 Bland County, VA 45.16
166 Pike County, IN 45.13
166 Columbiana County, OH 45.13
166 Obion County, TN 45.13
167 Morgan County, OH 45.12
168 La Salle County, TX 45.10
169 Johnson County, NE 45.07
170 Wayne County, TN 45.06
171 Jackson County, TN 44.96
172 Paulding County, OH 44.95
173 Jasper County, IN 44.91
174 Caldwell County, MO 44.90
174 Carbon County, PA 44.90
175 Clark County, MO 44.89
175 Clark County, SD 44.89
176 Lyon County, KY 44.85
176 Henry County, TN 44.85
177 Greene County, PA 44.83
178 Starke County, IN 44.81
179 Poinsett County, AR 44.80
180 Chickasaw County, IA 44.78
181 Washington Parish, LA 44.77
182 Monroe County, AL 44.75
182 Johnson County, GA 44.75
182 Henry County, OH 44.75
183 Orange County, IN 44.73
183 Tuscola County, MI 44.73
184 Van Wert County, OH 44.72
185 Carroll County, MO 44.71
186 Champaign County, OH 44.68
187 Cannon County, TN 44.62
187 Tucker County, WV 44.62
188 Logan County, OH 44.61
189 Yakutat City and Borough, AK 44.59
189 Greene County, IL 44.59
190 Lawrence County, OH 44.58
191 Telfair County, GA 44.57
191 Jerauld County, SD 44.57
192 Hardin County, TN 44.55
193 Simpson County, KY 44.53
194 Seneca County, OH 44.51
195 Perry County, TN 44.50
196 Decatur County, IN 44.49
196 Preble County, OH 44.49
196 Blair County, PA 44.49
197 Essex County, VT 44.48
198 Mason County, WV 44.47
199 Ontonagon County, MI 44.44
200 Scott County, IL 44.43
201 Logan County, AR 44.40
202 Fayette County, IN 44.37
203 Taylor County, FL 44.35
204 Greene County, AR 44.34
204 Breckinridge County, KY 44.34
205 Adams County, IN 44.31
205 Marion County, OH 44.31
206 Jackson Parish, LA 44.30
207 Wayne County, PA 44.29
208 Jenkins County, GA 44.27
209 Meigs County, TN 44.24
210 Pushmataha County, OK 44.23
211 Perry County, MS 44.20
212 Desha County, AR 44.19
213 Marion County, KY 44.17
213 Garvin County, OK 44.17
214 Trumbull County, OH 44.15
215 Cambria County, PA 44.14
216 Ross County, OH 44.11
217 Jackson County, KY 44.09
218 Hampton County, SC 44.08
219 Houston County, TN 44.07
220 Shelby County, IN 44.01
220 Columbia County, PA 44.01
221 Tioga County, PA 44.00
222 Crittenden County, KY 43.99
223 Owen County, IN 43.97
224 Lincoln County, KY 43.96
225 Bath County, KY 43.95
226 Giles County, TN 43.93
226 Amelia County, VA 43.93
227 Bibb County, AL 43.92
228 Fountain County, IN 43.84
228 Oregon County, MO 43.84
229 Wayne County, GA 43.81
229 Lewis County, KY 43.81
229 Mercer County, OH 43.81
229 Taylor County, WV 43.81
230 Weakley County, TN 43.79
231 Baker County, FL 43.78
231 Montgomery County, MO 43.78
232 Worth County, GA 43.77
232 Jasper County, TX 43.77
233 Lawrence County, TN 43.76
233 Morgan County, WV 43.76
234 Jefferson County, OH 43.75
235 Escambia County, AL 43.74
235 Logan County, KY 43.74
235 Marquette County, WI 43.74
236 Jasper County, GA 43.73
236 Tensas Parish, LA 43.73
236 McIntosh County, OK 43.73
237 Wilkinson County, MS 43.70
237 Sanborn County, SD 43.70
238 Lincoln County, GA 43.69
239 Dade County, MO 43.68
239 Snyder County, PA 43.68
239 Fayette County, WV 43.68
240 Little River County, AR 43.64
240 Shawano County, WI 43.64
240 Taylor County, WI 43.64
241 Marshall County, WV 43.62
242 Nome Census Area, AK 43.60
243 Lawrence County, PA 43.59
244 Clayton County, IA 43.56
245 Iberia Parish, LA 43.54
246 Rockcastle County, KY 43.53
246 Boyd County, NE 43.53
247 McDonald County, MO 43.50
247 Hardeman County, TN 43.50
248 Union County, NM 43.47
249 DeKalb County, IN 43.46
249 Stoddard County, MO 43.46
250 Atchison County, MO 43.43
251 Lafayette County, MO 43.42
252 St. Helena Parish, LA 43.41
253 Pershing County, NV 43.40
254 Perry County, AR 43.39
254 Iron County, MI 43.39
254 Ashtabula County, OH 43.39
255 Aleutians West Census Area, AK 43.36
256 Calhoun County, AR 43.34
256 Powell County, KY 43.34
257 Lewis County, NY 43.33
258 Allen Parish, LA 43.32
258 Bledsoe County, TN 43.32
259 Reagan County, TX 43.31
260 Assumption Parish, LA 43.29
260 Mitchell County, TX 43.29
261 Caddo County, OK 43.27
262 Clinton County, MO 43.25
263 San Augustine County, TX 43.23
263 Jackson County, WV 43.23
264 Amite County, MS 43.22
265 Emanuel County, GA 43.21
266 Jefferson Davis Parish, LA 43.20
266 Vinton County, OH 43.20
267 Lanier County, GA 43.18
267 Menifee County, KY 43.18
268 Pope County, IL 43.17
269 Delaware County, IA 43.16
270 Lowndes County, AL 43.15
270 Woodruff County, AR 43.15
270 Concordia Parish, LA 43.15
271 McCurtain County, OK 43.14
272 Jackson County, AR 43.12
272 Lucas County, IA 43.12
273 Warren County, IN 43.11
273 Newton County, TX 43.11
274 Martin County, IN 43.10
275 Barren County, KY 43.08
275 Scioto County, OH 43.08
276 Waupaca County, WI 43.07
277 Metcalfe County, KY 43.05
277 Hancock County, TN 43.05
277 Gonzales County, TX 43.05
278 Cass County, TX 43.03
279 Miner County, SD 43.02
280 Pendleton County, KY 42.99
281 Franklin County, PA 42.98
281 Decatur County, TN 42.98
282 Wayne County, MO 42.97
282 White Pine County, NV 42.97
283 Webster Parish, LA 42.96
283 Guernsey County, OH 42.96
284 Chilton County, AL 42.95
284 Acadia Parish, LA 42.95
284 Lewis County, TN 42.95
285 Sanilac County, MI 42.93
286 Wells County, IN 42.92
287 Williams County, OH 42.91
288 Bradley County, AR 42.90
288 Estill County, KY 42.90
289 Hart County, KY 42.87
290 Henderson County, IL 42.86
291 Lake County, TN 42.84
292 Dooly County, GA 42.83
292 Wright County, MO 42.83
293 Keokuk County, IA 42.82
293 Lincoln County, TN 42.82
294 Clay County, AR 42.81
295 Shelby County, IL 42.79
296 Lebanon County, PA 42.78
296 Smith County, TN 42.78
297 Muhlenberg County, KY 42.77
298 Muskingum County, OH 42.74
299 Mercer County, MO 42.72
299 Dewey County, OK 42.72
300 Henry County, IN 42.71
301 Hancock County, KY 42.70
301 Williamsburg County, SC 42.70
302 Coal County, OK 42.68
303 Lafayette County, FL 42.64
304 Henry County, MO 42.63
304 Hawkins County, TN 42.63
305 Grant County, AR 42.62
306 Lawrence County, KY 42.58
306 Coshocton County, OH 42.58
307 Ohio County, IN 42.57
308 Jennings County, IN 42.55
309 Washington County, AL 42.53
309 Fayette County, IA 42.53
310 Wabash County, IN 42.52
311 Audrain County, MO 42.51
312 Colleton County, SC 42.49
312 Dillon County, SC 42.49
313 Sullivan County, IN 42.48
314 Highland County, OH 42.46
315 Stephens County, OK 42.45
316 Miami County, IN 42.43
316 Washington County, IN 42.43
316 Atchison County, KS 42.43
317 Carroll County, IN 42.42
318 Cleburne County, AR 42.40
319 Dolores County, CO 42.38
319 Fairfield County, SC 42.38
320 Jasper County, MS 42.37
320 Moniteau County, MO 42.37
321 Prairie County, AR 42.36
321 Fulton County, OH 42.36
322 Pickens County, AL 42.35
322 Laclede County, MO 42.35
323 Levy County, FL 42.34
323 Union County, TN 42.34
324 Powell County, MT 42.31
325 Shelby County, MO 42.30
325 Hocking County, OH 42.30
326 Auglaize County, OH 42.29
327 Yukon-Koyukuk Census Area, AK 42.28
328 Wayne County, IA 42.26
328 Sandusky County, OH 42.26
328 Jackson County, WI 42.26
329 Carroll County, KY 42.25
330 Pierce County, GA 42.24
331 Adams County, OH 42.23
332 Twiggs County, GA 42.21
332 Union County, PA 42.21
333 Pawnee County, OK 42.20
334 Franklin County, AL 42.19
334 Treutlen County, GA 42.19
334 Huntington County, IN 42.19
335 Calhoun County, FL 42.16
336 Heard County, GA 42.14
337 Jefferson County, OK 42.12
338 Gilchrist County, FL 42.10
338 Washington County, FL 42.10
339 Alleghany County, VA 42.09
340 Bell County, KY 42.08
340 Menominee County, MI 42.08
340 Tripp County, SD 42.08
341 Harrison County, IN 42.07
342 Ziebach County, SD 42.05
343 De Witt County, IL 42.01
344 Putnam County, FL 42.00
344 Jackson County, IA 42.00
344 Chester County, TN 42.00
345 Gentry County, MO 41.99
345 Morris County, TX 41.99
346 Huron County, MI 41.97
346 Ashland County, OH 41.97
347 Montgomery County, IN 41.95
348 Livingston County, IL 41.94
349 Moffat County, CO 41.92
350 DeSoto County, FL 41.91
350 Osage County, MO 41.91
351 Arkansas County, AR 41.88
351 Ware County, GA 41.88
352 Lincoln County, OK 41.86
353 Crenshaw County, AL 41.83
354 Gibson County, IN 41.82
355 St. Clair County, MO 41.81
356 Howard County, AR 41.80
356 Christian County, IL 41.80
356 Catron County, NM 41.80
357 Henry County, KY 41.78
357 Garrett County, MD 41.78
358 Cross County, AR 41.77
358 Cass County, IL 41.77
358 Mercer County, PA 41.77
358 Bedford County, TN 41.77
359 Coosa County, AL 41.76
360 Brooke County, WV 41.74
361 Lamar County, AL 41.73
361 Talbot County, GA 41.73
361 Grant Parish, LA 41.73
362 Laurens County, GA 41.71
363 Livingston County, KY 41.70
363 Osceola County, MI 41.70
363 Greene County, TN 41.70
363 Grundy County, TN 41.70
364 De Soto Parish, LA 41.68
365 Randolph County, IN 41.67
365 Atoka County, OK 41.67
366 Waushara County, WI 41.65
367 Madison County, MO 41.64
367 Garfield County, MT 41.64
368 Scott County, IN 41.63
368 Missaukee County, MI 41.63
369 Allen County, KY 41.62
370 Franklin County, AR 41.61
371 Clay County, IN 41.58
372 Aleutians East Borough, AK 41.57