RANKING · 2020 CENSUS · 63 SHOWN OF 63

Highest Mexican population share, Louisiana counties · 2020

Louisiana counties ranked by the share of all residents who are Mexican origin (2023 American Community Survey). A concentration measure: Mexican residents as a percentage of total population. This list covers the 63 counties in Louisiana that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest Mexican population Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share Largest Dominican population

YEAR2010 2020 2024

RANKPLACESTATEPOPMEXICAN SHAREVS 2000

01Vernon Parish, LALA45,0915.7%–

02Cameron Parish, LALA4,7184.6%–

03St. Mary Parish, LALA46,5524.5%–

04Bossier Parish, LALA131,8674.2%–

05Allen Parish, LALA22,6724.0%–

06Union Parish, LALA20,5613.6%–

07Plaquemines Parish, LALA22,2563.2%–

08Terrebonne Parish, LALA104,1633.1%–

09West Carroll Parish, LALA9,1562.9%–

10Catahoula Parish, LALA8,2232.9%–

11Grant Parish, LALA22,0752.7%–

12Lafourche Parish, LALA95,5052.6%–

13Ascension Parish, LALA135,1052.5%–

14De Soto Parish, LALA27,3812.5%–

15Sabine Parish, LALA21,8342.4%–

16Jefferson Parish, LALA431,3982.4%–

17Pointe Coupee Parish, LALA19,5202.3%–

18Iberia Parish, LALA66,8462.3%–

19Lincoln Parish, LALA48,3602.1%–

20Tangipahoa Parish, LALA141,3462.0%–

21Calcasieu Parish, LALA208,4662.0%–

22St. Bernard Parish, LALA45,6422.0%–

23Lafayette Parish, LALA257,9492.0%–

24Vermilion Parish, LALA57,6712.0%–

25Tensas Parish, LALA3,7001.9%–

26Beauregard Parish, LALA36,6731.9%–

27Bienville Parish, LALA12,2691.8%–

28Rapides Parish, LALA125,8771.8%–

29St. Martin Parish, LALA51,1061.8%–

30Caddo Parish, LALA224,2261.8%–

31St. Tammany Parish, LALA279,1081.7%–

32Acadia Parish, LALA57,0321.7%–

33Jefferson Davis Parish, LALA31,4711.6%–

34Evangeline Parish, LALA31,9801.6%–

35West Baton Rouge Parish, LALA28,7561.6%–

36Richland Parish, LALA19,5821.5%–

37Ouachita Parish, LALA158,5421.5%–

38St. Charles Parish, LALA50,5861.5%–

39Livingston Parish, LALA155,0361.4%–

40Washington Parish, LALA44,9371.4%–

41Natchitoches Parish, LALA36,0891.4%–

42Webster Parish, LALA34,9481.4%–

43LaSalle Parish, LALA15,1541.4%–

44St. John the Baptist Parish, LALA39,8751.3%–

45Orleans Parish, LALA362,1541.3%–

46East Baton Rouge Parish, LALA456,1801.2%–

47Avoyelles Parish, LALA37,9411.1%–

48St. James Parish, LALA18,9381.1%–

49St. Landry Parish, LALA80,7650.9%–

50Assumption Parish, LALA19,7200.9%–

51Caldwell Parish, LALA9,3440.8%–

52Claiborne Parish, LALA13,3540.7%–

53Jackson Parish, LALA15,8340.7%–

54Madison Parish, LALA8,8440.6%–

55Winn Parish, LALA14,9610.6%–

56Franklin Parish, LALA19,0020.5%–

57West Feliciana Parish, LALA15,1340.5%–

58Concordia Parish, LALA17,8360.5%–

59St. Helena Parish, LALA10,7580.3%–

60Morehouse Parish, LALA23,7050.2%–

61Iberville Parish, LALA29,5790.2%–

62East Feliciana Parish, LALA18,9110.2%–

63East Carroll Parish, LALA6,7600.1%–

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES