Ranking of Louisiana Counties By Population Aged 25 years and above with an Educational attainment of Less than High School Diploma 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 Less than High School Diploma was 431,595. Among all Louisiana counties, Jefferson Parish had the highest population (aged 25 years and above) with an educational attainment of Less than High School Diploma (40,816), followed by Orleans Parish (32,498), and East Baton Rouge Parish (27,668).
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 Less than High School Diploma in 2021
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| Rank | County | Number of People |
|---|---|---|
| 1 | Jefferson Parish | 40816 |
| 2 | Orleans Parish | 32498 |
| 3 | East Baton Rouge Parish | 27668 |
| 4 | Caddo Parish | 21893 |
| 5 | Lafayette Parish | 17357 |
| 6 | Calcasieu Parish | 16659 |
| 7 | St. Tammany Parish | 15677 |
| 8 | Tangipahoa Parish | 15242 |
| 9 | Terrebonne Parish | 13835 |
| 10 | Lafourche Parish | 12753 |
| 11 | Ouachita Parish | 12376 |
| 12 | Livingston Parish | 11814 |
| 13 | St. Landry Parish | 11745 |
| 14 | Rapides Parish | 11268 |
| 15 | Ascension Parish | 9235 |
| 16 | Bossier Parish | 8217 |
| 17 | Iberia Parish | 7622 |
| 18 | Acadia Parish | 7546 |
| 19 | St. Mary Parish | 6483 |
| 20 | Vermilion Parish | 6460 |
| 21 | Avoyelles Parish | 6410 |
| 22 | Washington Parish | 5743 |
| 23 | St. Martin Parish | 5731 |
| 24 | Evangeline Parish | 5371 |
| 25 | St. Bernard Parish | 5345 |
| 26 | Iberville Parish | 4384 |
| 27 | St. John the Baptist Parish | 3926 |
| 28 | Webster Parish | 3753 |
| 29 | Jefferson Davis Parish | 3677 |
| 30 | Vernon Parish | 3599 |
| 31 | Morehouse Parish | 3486 |
| 32 | Assumption Parish | 3471 |
| 33 | Allen Parish | 3285 |
| 34 | St. Charles Parish | 3280 |
| 35 | De Soto Parish | 3211 |
| 36 | Franklin Parish | 3100 |
| 37 | Beauregard Parish | 3043 |
| 38 | Grant Parish | 2992 |
| 39 | Natchitoches Parish | 2965 |
| 40 | Lincoln Parish | 2948 |
| 41 | Richland Parish | 2939 |
| 42 | Pointe Coupee Parish | 2757 |
| 43 | East Feliciana Parish | 2728 |
| 44 | West Baton Rouge Parish | 2402 |
| 45 | Concordia Parish | 2388 |
| 46 | Claiborne Parish | 2369 |
| 47 | Plaquemines Parish | 2322 |
| 48 | Sabine Parish | 2126 |
| 49 | West Feliciana Parish | 2060 |
| 50 | Union Parish | 2005 |
| 51 | St. James Parish | 1979 |
| 52 | LaSalle Parish | 1875 |
| 53 | Winn Parish | 1811 |
| 54 | Jackson Parish | 1803 |
| 55 | Catahoula Parish | 1761 |
| 56 | East Carroll Parish | 1708 |
| 57 | St. Helena Parish | 1697 |
| 58 | Madison Parish | 1665 |
| 59 | Caldwell Parish | 1560 |
| 60 | West Carroll Parish | 1331 |
| 61 | Bienville Parish | 1245 |
| 62 | Red River Parish | 973 |
| 63 | Tensas Parish | 659 |
| 64 | Cameron Parish | 548 |