RANKING · 2025 ESTIMATES · 64 SHOWN OF 64

Fastest growing, Louisiana counties

Louisiana counties ranked by population growth from the 2020 census to 2025. 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 population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Livingston Parish, LALA155,036+9.0%−70%

02Winn Parish, LALA14,961+8.8%+128%

03Ascension Parish, LALA135,105+6.8%−78%

04Lafayette Parish, LALA257,949+6.7%−57%

05Tangipahoa Parish, LALA141,346+6.1%−65%

06West Baton Rouge Parish, LALA28,756+5.7%−49%

07St. Tammany Parish, LALA279,108+5.5%−83%

08Jackson Parish, LALA15,834+5.3%−372%

09St. Bernard Parish, LALA45,642+4.3%+378%

10LaSalle Parish, LALA15,154+2.5%−46%

11Bossier Parish, LALA131,867+2.4%−83%

12De Soto Parish, LALA27,381+2.1%+263%

13Vermilion Parish, LALA57,671+0.5%−93%

14Beauregard Parish, LALA36,673+0.3%−96%

15Lincoln Parish, LALA48,360-0.1%−104%

16East Baton Rouge Parish, LALA456,180-0.1%−102%

17Allen Parish, LALA22,672-0.3%−102%

18Grant Parish, LALA22,075-0.4%−106%

19Acadia Parish, LALA57,032-0.9%−118%

20Ouachita Parish, LALA158,542-1.1%−132%

21Evangeline Parish, LALA31,980-1.1%−118%

22West Feliciana Parish, LALA15,134-1.1%−107%

23Washington Parish, LALA44,937-1.2%−167%

24St. Martin Parish, LALA51,106-1.3%−112%

25Sabine Parish, LALA21,834-1.4%−140%

26St. Helena Parish, LALA10,758-1.5%−123%

27Lafourche Parish, LALA95,505-2.1%−144%

28Jefferson Parish, LALA431,398-2.1%−233%

29St. Landry Parish, LALA80,765-2.2%−123%

30Iberville Parish, LALA29,579-2.2%−130%

31Richland Parish, LALA19,582-2.3%−235%

32Jefferson Davis Parish, LALA31,471-2.4%−204%

33Union Parish, LALA20,561-2.6%−125%

34Caldwell Parish, LALA9,344-3.1%−141%

35Rapides Parish, LALA125,877-3.2%−20%

36East Feliciana Parish, LALA18,911-3.2%−129%

37St. Charles Parish, LALA50,586-3.7%−128%

38Natchitoches Parish, LALA36,089-3.8%−158%

39Calcasieu Parish, LALA208,466-3.8%−142%

40Franklin Parish, LALA19,002-3.9%−22%

41Iberia Parish, LALA66,846-4.4%−161%

42Avoyelles Parish, LALA37,941-4.4%−174%

43Concordia Parish, LALA17,836-4.6%+63%

44Terrebonne Parish, LALA104,163-4.9%−164%

45Plaquemines Parish, LALA22,256-5.4%−216%

46Webster Parish, LALA34,948-5.5%+1351%

47Bienville Parish, LALA12,269-5.5%+286%

48Orleans Parish, LALA362,154-5.7%+130%

49Caddo Parish, LALA224,226-5.7%−464%

50Claiborne Parish, LALA13,354-5.8%+81%

51St. Mary Parish, LALA46,552-5.8%−27%

52Pointe Coupee Parish, LALA19,520-6.0%−703%

53Red River Parish, LALA7,165-6.0%−339%

54West Carroll Parish, LALA9,156-6.1%−434%

55St. John the Baptist Parish, LALA39,875-6.1%−180%

56St. James Parish, LALA18,938-6.2%−485%

57Assumption Parish, LALA19,720-6.3%−325%

58Vernon Parish, LALA45,091-7.5%−51%

59Morehouse Parish, LALA23,705-7.5%+161%

60Catahoula Parish, LALA8,223-7.7%+485%

61East Carroll Parish, LALA6,760-9.4%+216%

62Tensas Parish, LALA3,700-10.8%+58%

63Madison Parish, LALA8,844-11.7%−215%

64Cameron Parish, LALA4,718-16.0%−303%

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU POPULATION ESTIMATES