RANKING · 1990 CENSUS · 64 SHOWN OF 64

Least racially diverse, Louisiana counties · 1990

Louisiana counties with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (2023 ACS). This list covers the 64 counties in Louisiana that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPDIVERSITY SCOREVS 2000

01Livingston Parish, LALA155,03616+24%

02Cameron Parish, LALA4,71819+21%

03LaSalle Parish, LALA15,15424−19%

04St. Bernard Parish, LALA45,64227−14%

05St. Tammany Parish, LALA279,10832+6%

06Grant Parish, LALA22,07534+15%

07Vermilion Parish, LALA57,67135−4%

08Lafourche Parish, LALA95,50536+10%

09Beauregard Parish, LALA36,67336+11%

10West Carroll Parish, LALA9,15637−10%

11Acadia Parish, LALA57,03239−1%

12Jefferson Davis Parish, LALA31,47140+1%

13Caldwell Parish, LALA9,34442+3%

14Calcasieu Parish, LALA208,46647−4%

15Bossier Parish, LALA131,86748−5%

16Terrebonne Parish, LALA104,16348+10%

17Catahoula Parish, LALA8,22349−5%

18Lafayette Parish, LALA257,94949−4%

19Ascension Parish, LALA135,10549+6%

20Evangeline Parish, LALA31,98050−7%

21Sabine Parish, LALA21,83451+16%

22St. Charles Parish, LALA50,58651−4%

23Union Parish, LALA20,56152−5%

24Allen Parish, LALA22,67252−7%

25Jackson Parish, LALA15,83452+1%

26Jefferson Parish, LALA431,39853−15%

27Avoyelles Parish, LALA37,94153−3%

28Tangipahoa Parish, LALA141,34654−1%

29Rapides Parish, LALA125,87755−5%

30Winn Parish, LALA14,96155−3%

31Franklin Parish, LALA19,00255−1%

32Washington Parish, LALA44,93755−1%

33Webster Parish, LALA34,94855−3%

34Ouachita Parish, LALA158,54256−5%

35Assumption Parish, LALA19,72057+1%

36Plaquemines Parish, LALA22,25657+6%

37Iberia Parish, LALA66,84658−3%

38East Carroll Parish, LALA6,76058+3%

39Vernon Parish, LALA45,09158+14%

40West Baton Rouge Parish, LALA28,75659−2%

41St. Martin Parish, LALA51,10659+3%

42Richland Parish, LALA19,58260−2%

43Concordia Parish, LALA17,83660−2%

44Red River Parish, LALA7,16560−3%

45Morehouse Parish, LALA23,70561−2%

46East Baton Rouge Parish, LALA456,18061−7%

47St. Landry Parish, LALA80,76562−1%

48Pointe Coupee Parish, LALA19,52062+2%

49Madison Parish, LALA8,84462+0%

50Bienville Parish, LALA12,26962−1%

51Tensas Parish, LALA3,70062−1%

52Claiborne Parish, LALA13,35463−1%

53Natchitoches Parish, LALA36,08963+0%

54St. Mary Parish, LALA46,55263+2%

55Lincoln Parish, LALA48,36063−1%

56Caddo Parish, LALA224,22663−3%

57St. John the Baptist Parish, LALA39,87563−5%

58De Soto Parish, LALA27,38164+0%

59St. Helena Parish, LALA10,75864−0%

60St. James Parish, LALA18,93864+1%

61East Feliciana Parish, LALA18,91164+1%

62West Feliciana Parish, LALA15,13464+1%

63Iberville Parish, LALA29,57965+1%

64Orleans Parish, LALA362,15465+12%

SHOWING 1–64 OF 64

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES