Ranking of Louisiana Counties By Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)
Updated on September 3, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, the population of Louisiana (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 1,036,204. Among all Louisiana counties, Jefferson Parish had the highest population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (90,304), followed by East Baton Rouge Parish (74,591), and Orleans Parish (61,685).
The chart below shows the top 10 Louisiana counties, and the table below shows the ranking of all Louisiana counties.
You can see similar information for other educational attainments.
You can also see similar information for other states and for the United States.
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Related Topics: Louisiana ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of Louisiana Counties By Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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| Rank | County | Number of People |
|---|---|---|
| 1 | Jefferson Parish | 90304 |
| 2 | East Baton Rouge Parish | 74591 |
| 3 | Orleans Parish | 61685 |
| 4 | Caddo Parish | 52222 |
| 5 | Calcasieu Parish | 48394 |
| 6 | Lafayette Parish | 48271 |
| 7 | St. Tammany Parish | 44252 |
| 8 | Ouachita Parish | 34905 |
| 9 | Livingston Parish | 34643 |
| 10 | Rapides Parish | 32582 |
| 11 | Tangipahoa Parish | 31218 |
| 12 | Terrebonne Parish | 27924 |
| 13 | Lafourche Parish | 27700 |
| 14 | Bossier Parish | 25117 |
| 15 | Ascension Parish | 23770 |
| 16 | St. Landry Parish | 20958 |
| 17 | Iberia Parish | 20129 |
| 18 | Acadia Parish | 16454 |
| 19 | St. Martin Parish | 16412 |
| 20 | St. Mary Parish | 15934 |
| 21 | Vermilion Parish | 15794 |
| 22 | Washington Parish | 13975 |
| 23 | Vernon Parish | 11896 |
| 24 | St. Charles Parish | 11356 |
| 25 | Webster Parish | 11104 |
| 26 | St. John the Baptist Parish | 10965 |
| 27 | Avoyelles Parish | 9771 |
| 28 | Beauregard Parish | 9491 |
| 29 | Jefferson Davis Parish | 9310 |
| 30 | St. Bernard Parish | 8887 |
| 31 | Iberville Parish | 8640 |
| 32 | Natchitoches Parish | 8634 |
| 33 | Evangeline Parish | 8465 |
| 34 | De Soto Parish | 7636 |
| 35 | Sabine Parish | 7276 |
| 36 | Lincoln Parish | 7217 |
| 37 | Morehouse Parish | 7169 |
| 38 | Allen Parish | 7038 |
| 39 | West Baton Rouge Parish | 6925 |
| 40 | Union Parish | 6899 |
| 41 | Grant Parish | 6646 |
| 42 | Assumption Parish | 6465 |
| 43 | East Feliciana Parish | 5871 |
| 44 | St. James Parish | 5531 |
| 45 | Franklin Parish | 5483 |
| 46 | Concordia Parish | 5470 |
| 47 | Richland Parish | 5462 |
| 48 | Plaquemines Parish | 5444 |
| 49 | Pointe Coupee Parish | 5424 |
| 50 | Claiborne Parish | 4935 |
| 51 | Jackson Parish | 4783 |
| 52 | Winn Parish | 4624 |
| 53 | Bienville Parish | 4427 |
| 54 | West Feliciana Parish | 4168 |
| 55 | LaSalle Parish | 3917 |
| 56 | West Carroll Parish | 3314 |
| 57 | St. Helena Parish | 3266 |
| 58 | Caldwell Parish | 3185 |
| 59 | Red River Parish | 2689 |
| 60 | Catahoula Parish | 2456 |
| 61 | Madison Parish | 2213 |
| 62 | East Carroll Parish | 1769 |
| 63 | Cameron Parish | 1453 |
| 64 | Tensas Parish | 1296 |
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