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 (1990 ACS). This list covers the 64 counties in Louisiana that qualify, ranked against each other statewide. The median across all 64 is 55.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

RANKPLACESTATEPOPDIVERSITY SCOREVS –

01Livingston Parish, LALA155,03616–

02Cameron Parish, LALA4,71818–

03LaSalle Parish, LALA15,15423–

04St. Bernard Parish, LALA45,64228–

05St. Tammany Parish, LALA279,10832–

06Grant Parish, LALA22,07534–

07Vermilion Parish, LALA57,67135–

08Lafourche Parish, LALA95,50536–

09Beauregard Parish, LALA36,67336–

10West Carroll Parish, LALA9,15637–

11Acadia Parish, LALA57,03239–

12Jefferson Davis Parish, LALA31,47140–

13Caldwell Parish, LALA9,34441–

14Bossier Parish, LALA131,86747–

15Calcasieu Parish, LALA208,46647–

16Terrebonne Parish, LALA104,16348–

17Ascension Parish, LALA135,10548–

18Catahoula Parish, LALA8,22349–

19Lafayette Parish, LALA257,94949–

20Evangeline Parish, LALA31,98049–

21Sabine Parish, LALA21,83450–

22St. Charles Parish, LALA50,58651–

23Allen Parish, LALA22,67251–

24Union Parish, LALA20,56151–

25Jefferson Parish, LALA431,39852–

26Jackson Parish, LALA15,83453–

27Avoyelles Parish, LALA37,94153–

28Tangipahoa Parish, LALA141,34654–

29Rapides Parish, LALA125,87754–

30Winn Parish, LALA14,96155–

31Franklin Parish, LALA19,00255–

32Washington Parish, LALA44,93755–

33Webster Parish, LALA34,94855–

34Ouachita Parish, LALA158,54256–

35Vernon Parish, LALA45,09156–

36Plaquemines Parish, LALA22,25657–

37Assumption Parish, LALA19,72057–

38Iberia Parish, LALA66,84658–

39East Carroll Parish, LALA6,76058–

40West Baton Rouge Parish, LALA28,75659–

41St. Martin Parish, LALA51,10659–

42Richland Parish, LALA19,58260–

43Concordia Parish, LALA17,83660–

44Red River Parish, LALA7,16560–

45Morehouse Parish, LALA23,70561–

46Madison Parish, LALA8,84461–

47East Baton Rouge Parish, LALA456,18061–

48St. Landry Parish, LALA80,76562–

49Pointe Coupee Parish, LALA19,52062–

50Bienville Parish, LALA12,26962–

51Natchitoches Parish, LALA36,08962–

52St. Mary Parish, LALA46,55262–

53Lincoln Parish, LALA48,36062–

54Claiborne Parish, LALA13,35462–

55Tensas Parish, LALA3,70062–

56Caddo Parish, LALA224,22663–

57St. John the Baptist Parish, LALA39,87563–

58De Soto Parish, LALA27,38163–

59St. Helena Parish, LALA10,75864–

60St. James Parish, LALA18,93864–

61Orleans Parish, LALA362,15464–

62East Feliciana Parish, LALA18,91164–

63West Feliciana Parish, LALA15,13464–

64Iberville Parish, LALA29,57965–

SHOWING 1–64 OF 64

Download CSV (full list, 64 rows)How this score is calculated

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS