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%−21.2 pts

02Winn Parish, LALA14,961+8.8%+4.9 pts

03Ascension Parish, LALA135,105+6.8%−24.8 pts

04Lafayette Parish, LALA257,949+6.7%−8.9 pts

05Tangipahoa Parish, LALA141,346+6.1%−11.2 pts

06West Baton Rouge Parish, LALA28,756+5.7%−5.5 pts

07St. Tammany Parish, LALA279,108+5.5%−26.9 pts

08Jackson Parish, LALA15,834+5.3%+7.3 pts

09St. Bernard Parish, LALA45,642+4.3%+3.4 pts

10LaSalle Parish, LALA15,154+2.5%−2.1 pts

11Bossier Parish, LALA131,867+2.4%−11.8 pts

12De Soto Parish, LALA27,381+2.1%+1.5 pts

13Vermilion Parish, LALA57,671+0.5%−7.0 pts

14Beauregard Parish, LALA36,673+0.3%−9.3 pts

15Lincoln Parish, LALA48,360-0.1%−1.9 pts

16East Baton Rouge Parish, LALA456,180-0.1%−8.7 pts

17Allen Parish, LALA22,672-0.3%−20.2 pts

18Grant Parish, LALA22,075-0.4%−7.1 pts

19Acadia Parish, LALA57,032-0.9%−6.3 pts

20Ouachita Parish, LALA158,542-1.1%−4.7 pts

21Evangeline Parish, LALA31,980-1.1%−7.6 pts

22West Feliciana Parish, LALA15,134-1.1%−18.2 pts

23Washington Parish, LALA44,937-1.2%−2.9 pts

24St. Martin Parish, LALA51,106-1.3%−11.7 pts

25Sabine Parish, LALA21,834-1.4%−5.0 pts

26St. Helena Parish, LALA10,758-1.5%−8.1 pts

27Lafourche Parish, LALA95,505-2.1%−6.9 pts

28Jefferson Parish, LALA431,398-2.1%−3.7 pts

29St. Landry Parish, LALA80,765-2.2%−11.3 pts

30Iberville Parish, LALA29,579-2.2%−9.5 pts

31Richland Parish, LALA19,582-2.3%−4.0 pts

32Jefferson Davis Parish, LALA31,471-2.4%−4.7 pts

33Union Parish, LALA20,561-2.6%−12.8 pts

34Caldwell Parish, LALA9,344-3.1%−10.8 pts

35Rapides Parish, LALA125,877-3.2%+0.8 pts

36East Feliciana Parish, LALA18,911-3.2%−14.4 pts

37St. Charles Parish, LALA50,586-3.7%−17.0 pts

38Natchitoches Parish, LALA36,089-3.8%−10.3 pts

39Calcasieu Parish, LALA208,466-3.8%−13.0 pts

40Franklin Parish, LALA19,002-3.9%+1.1 pts

41Iberia Parish, LALA66,846-4.4%−11.7 pts

42Avoyelles Parish, LALA37,941-4.4%−10.3 pts

43Concordia Parish, LALA17,836-4.6%−1.8 pts

44Terrebonne Parish, LALA104,163-4.9%−12.7 pts

45Plaquemines Parish, LALA22,256-5.4%−10.0 pts

46Webster Parish, LALA34,948-5.5%−5.1 pts

47Bienville Parish, LALA12,269-5.5%−4.1 pts

48Orleans Parish, LALA362,154-5.7%−3.2 pts

49Caddo Parish, LALA224,226-5.7%−7.3 pts

50Claiborne Parish, LALA13,354-5.8%−2.6 pts

51St. Mary Parish, LALA46,552-5.8%+2.1 pts

52Pointe Coupee Parish, LALA19,520-6.0%−7.0 pts

53Red River Parish, LALA7,165-6.0%−8.5 pts

54West Carroll Parish, LALA9,156-6.1%−7.9 pts

55St. John the Baptist Parish, LALA39,875-6.1%−13.7 pts

56St. James Parish, LALA18,938-6.2%−7.8 pts

57Assumption Parish, LALA19,720-6.3%−9.1 pts

58Vernon Parish, LALA45,091-7.5%+7.7 pts

59Morehouse Parish, LALA23,705-7.5%−4.6 pts

60Catahoula Parish, LALA8,223-7.7%−6.4 pts

61East Carroll Parish, LALA6,760-9.4%−6.4 pts

62Tensas Parish, LALA3,700-10.8%−4.0 pts

63Madison Parish, LALA8,844-11.7%−21.9 pts

64Cameron Parish, LALA4,718-16.0%−23.9 pts

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU POPULATION ESTIMATES