RANKING · 2000 CENSUS · 64 SHOWN OF 64

Most population gained, Louisiana counties · 2000

Louisiana counties that added the most residents from the 1990 census to 2000, by raw count of people rather than percentage. This list covers the 64 counties in Louisiana that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION CHANGEVS –

01St. Tammany Parish, LALA279,108+46,760–

02East Baton Rouge Parish, LALA456,180+32,747–

03Lafayette Parish, LALA257,949+25,741–

04Livingston Parish, LALA155,036+21,288–

05Ascension Parish, LALA135,105+18,413–

06Calcasieu Parish, LALA208,466+15,443–

07Tangipahoa Parish, LALA141,346+14,879–

08Bossier Parish, LALA131,867+12,222–

09Terrebonne Parish, LALA104,163+7,521–

10St. Landry Parish, LALA80,765+7,369–

11Jefferson Parish, LALA431,398+7,160–

12St. Charles Parish, LALA50,586+5,635–

13Ouachita Parish, LALA158,542+5,059–

14Iberia Parish, LALA66,846+4,969–

15St. Martin Parish, LALA51,106+4,605–

16Allen Parish, LALA22,672+4,214–

17Lafourche Parish, LALA95,505+4,114–

18Caddo Parish, LALA224,226+3,908–

19Vermilion Parish, LALA57,671+3,752–

20St. John the Baptist Parish, LALA39,875+3,048–

21Acadia Parish, LALA57,032+2,979–

22Beauregard Parish, LALA36,673+2,903–

23Natchitoches Parish, LALA36,089+2,391–

24Avoyelles Parish, LALA37,941+2,322–

25Iberville Parish, LALA29,579+2,271–

26West Feliciana Parish, LALA15,134+2,196–

27West Baton Rouge Parish, LALA28,756+2,182–

28Evangeline Parish, LALA31,980+2,160–

29East Feliciana Parish, LALA18,911+2,149–

30Union Parish, LALA20,561+2,113–

31Madison Parish, LALA8,844+1,265–

32Plaquemines Parish, LALA22,256+1,182–

33Grant Parish, LALA22,075+1,172–

34Sabine Parish, LALA21,834+813–

35Lincoln Parish, LALA48,360+764–

36Caldwell Parish, LALA9,344+750–

37Washington Parish, LALA44,937+741–

38Cameron Parish, LALA4,718+731–

39Jefferson Davis Parish, LALA31,471+713–

40St. Helena Parish, LALA10,758+651–

41Assumption Parish, LALA19,720+635–

42Winn Parish, LALA14,961+625–

43LaSalle Parish, LALA15,154+620–

44St. Bernard Parish, LALA45,642+598–

45Richland Parish, LALA19,582+352–

46St. James Parish, LALA18,938+337–

47Red River Parish, LALA7,165+235–

48Pointe Coupee Parish, LALA19,520+223–

49West Carroll Parish, LALA9,156+221–

50De Soto Parish, LALA27,381+148–

51Catahoula Parish, LALA8,223-145–

52Webster Parish, LALA34,948-158–

53Bienville Parish, LALA12,269-227–

54East Carroll Parish, LALA6,760-288–

55Jackson Parish, LALA15,834-308–

56Tensas Parish, LALA3,700-485–

57Claiborne Parish, LALA13,354-554–

58Concordia Parish, LALA17,836-581–

59Morehouse Parish, LALA23,705-917–

60Franklin Parish, LALA19,002-1,124–

61St. Mary Parish, LALA46,552-4,586–

62Rapides Parish, LALA125,877-5,219–

63Vernon Parish, LALA45,091-9,430–

64Orleans Parish, LALA362,154-12,264–

SHOWING 1–64 OF 64

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