RANKING · 2000 CENSUS · 64 SHOWN OF 64

Largest by population, Louisiana counties · 2000

The most populous Louisiana counties as of the 2000 population estimates. 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

RELATEDFastest growing Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR1990 2000 2010 2020 2025

RANKPLACESTATETOTAL POPULATIONVS 1990

01Orleans Parish, LALA484,674−2%

02Jefferson Parish, LALA455,466+2%

03East Baton Rouge Parish, LALA412,852+9%

04Caddo Parish, LALA252,161+2%

05St. Tammany Parish, LALA191,268+32%

06Lafayette Parish, LALA190,503+16%

07Calcasieu Parish, LALA183,577+9%

08Ouachita Parish, LALA147,250+4%

09Rapides Parish, LALA126,337−4%

10Terrebonne Parish, LALA104,503+8%

11Tangipahoa Parish, LALA100,588+17%

12Bossier Parish, LALA98,310+14%

13Livingston Parish, LALA91,814+30%

14Lafourche Parish, LALA89,974+5%

15St. Landry Parish, LALA87,700+9%

16Ascension Parish, LALA76,627+32%

17Iberia Parish, LALA73,266+7%

18St. Bernard Parish, LALA67,229+1%

19Acadia Parish, LALA58,861+5%

20Vermilion Parish, LALA53,807+7%

21St. Mary Parish, LALA53,500−8%

22Vernon Parish, LALA52,531−15%

23St. Martin Parish, LALA48,583+10%

24St. Charles Parish, LALA48,072+13%

25Washington Parish, LALA43,926+2%

26St. John the Baptist Parish, LALA43,044+8%

27Lincoln Parish, LALA42,509+2%

28Webster Parish, LALA41,831−0%

29Avoyelles Parish, LALA41,481+6%

30Natchitoches Parish, LALA39,080+7%

31Evangeline Parish, LALA35,434+6%

32Iberville Parish, LALA33,320+7%

33Beauregard Parish, LALA32,986+10%

34Jefferson Davis Parish, LALA31,435+2%

35Morehouse Parish, LALA31,021−3%

36Plaquemines Parish, LALA26,757+5%

37De Soto Parish, LALA25,494+1%

38Allen Parish, LALA25,440+20%

39Sabine Parish, LALA23,459+4%

40Assumption Parish, LALA23,388+3%

41Union Parish, LALA22,803+10%

42Pointe Coupee Parish, LALA22,763+1%

43West Baton Rouge Parish, LALA21,601+11%

44East Feliciana Parish, LALA21,360+11%

45Franklin Parish, LALA21,263−5%

46St. James Parish, LALA21,216+2%

47Richland Parish, LALA20,981+2%

48Concordia Parish, LALA20,247−3%

49Grant Parish, LALA18,698+7%

50Winn Parish, LALA16,894+4%

51Claiborne Parish, LALA16,851−3%

52Bienville Parish, LALA15,752−1%

53Jackson Parish, LALA15,397−2%

54West Feliciana Parish, LALA15,111+17%

55LaSalle Parish, LALA14,282+5%

56Madison Parish, LALA13,728+10%

57West Carroll Parish, LALA12,314+2%

58Catahoula Parish, LALA10,920−1%

59Caldwell Parish, LALA10,560+8%

60St. Helena Parish, LALA10,525+7%

61Cameron Parish, LALA9,991+8%

62Red River Parish, LALA9,622+3%

63East Carroll Parish, LALA9,421−3%

64Tensas Parish, LALA6,618−7%

SHOWING 1–64 OF 64

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS