RANKING · 2000 CENSUS · 64 SHOWN OF 64

Fastest growing, Louisiana counties · 2000

Louisiana counties ranked by population growth since the prior decennial census. This list covers the 64 counties in Louisiana that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest by population Fastest shrinking Most densely populated Most sparsely populated Best broadband access Worst broadband access

YEAR2000 2010 2020

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01St. Tammany Parish, LALA279,108+32.4%+0%

02Ascension Parish, LALA135,105+31.6%+0%

03Livingston Parish, LALA155,036+30.2%+0%

04Allen Parish, LALA22,672+19.9%+0%

05Tangipahoa Parish, LALA141,346+17.4%+0%

06West Feliciana Parish, LALA15,134+17.0%+0%

07Lafayette Parish, LALA257,949+15.6%+0%

08Bossier Parish, LALA131,867+14.2%+0%

09St. Charles Parish, LALA50,586+13.3%+0%

10West Baton Rouge Parish, LALA28,756+11.2%+0%

11East Feliciana Parish, LALA18,911+11.2%+0%

12St. Martin Parish, LALA51,106+10.5%+0%

13Union Parish, LALA20,561+10.2%+0%

14Madison Parish, LALA8,844+10.2%+0%

15Beauregard Parish, LALA36,673+9.6%+0%

16Calcasieu Parish, LALA208,466+9.2%+0%

17St. Landry Parish, LALA80,765+9.2%+0%

18East Baton Rouge Parish, LALA456,180+8.6%+0%

19Cameron Parish, LALA4,718+7.9%+0%

20Terrebonne Parish, LALA104,163+7.8%+0%

21Caldwell Parish, LALA9,344+7.6%+0%

22St. John the Baptist Parish, LALA39,875+7.6%+0%

23Vermilion Parish, LALA57,671+7.5%+0%

24Iberville Parish, LALA29,579+7.3%+0%

25Iberia Parish, LALA66,846+7.3%+0%

26Grant Parish, LALA22,075+6.7%+0%

27St. Helena Parish, LALA10,758+6.6%+0%

28Natchitoches Parish, LALA36,089+6.5%+0%

29Evangeline Parish, LALA31,980+6.5%+0%

30Avoyelles Parish, LALA37,941+5.9%+0%

31Acadia Parish, LALA57,032+5.3%+0%

32Lafourche Parish, LALA95,505+4.8%+0%

33Plaquemines Parish, LALA22,256+4.6%+0%

34LaSalle Parish, LALA15,154+4.5%+0%

35Winn Parish, LALA14,961+3.8%+0%

36Sabine Parish, LALA21,834+3.6%+0%

37Ouachita Parish, LALA158,542+3.6%+0%

38Assumption Parish, LALA19,720+2.8%+0%

39Red River Parish, LALA7,165+2.5%+0%

40Jefferson Davis Parish, LALA31,471+2.3%+0%

41Lincoln Parish, LALA48,360+1.8%+0%

42West Carroll Parish, LALA9,156+1.8%+0%

43Washington Parish, LALA44,937+1.7%+0%

44Richland Parish, LALA19,582+1.7%+0%

45St. James Parish, LALA18,938+1.6%+0%

46Jefferson Parish, LALA431,398+1.6%+0%

47Caddo Parish, LALA224,226+1.6%+0%

48Pointe Coupee Parish, LALA19,520+1.0%+0%

49St. Bernard Parish, LALA45,642+0.9%+0%

50De Soto Parish, LALA27,381+0.6%+0%

51Webster Parish, LALA34,948-0.4%+0%

52Catahoula Parish, LALA8,223-1.3%+0%

53Bienville Parish, LALA12,269-1.4%+0%

54Jackson Parish, LALA15,834-2.0%+0%

55Orleans Parish, LALA362,154-2.5%+0%

56Concordia Parish, LALA17,836-2.8%+0%

57Morehouse Parish, LALA23,705-2.9%+0%

58East Carroll Parish, LALA6,760-3.0%+0%

59Claiborne Parish, LALA13,354-3.2%+0%

60Rapides Parish, LALA125,877-4.0%+0%

61Franklin Parish, LALA19,002-5.0%+0%

62Tensas Parish, LALA3,700-6.8%+0%

63St. Mary Parish, LALA46,552-7.9%+0%

64Vernon Parish, LALA45,091-15.2%+0%

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