RANKING · 2025 ESTIMATES · 64 SHOWN OF 64

Fastest shrinking, Louisiana counties

Louisiana counties with the steepest population decline from the 2020 census to 2025. This list covers the 64 counties in Louisiana that qualify, ranked against each other statewide.

Flip the list · Fastest growing, US counties →

LouisianaAll states All rankings

SAME RANKING BYCities States Metros

RELATEDLargest by population Fastest growing Most population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Cameron Parish, LALA4,718-16.0%−23.9 pts

02Madison Parish, LALA8,844-11.7%−21.9 pts

03Tensas Parish, LALA3,700-10.8%−4.0 pts

04East Carroll Parish, LALA6,760-9.4%−6.4 pts

05Catahoula Parish, LALA8,223-7.7%−6.4 pts

06Morehouse Parish, LALA23,705-7.5%−4.6 pts

07Vernon Parish, LALA45,091-7.5%+7.7 pts

08Assumption Parish, LALA19,720-6.3%−9.1 pts

09St. James Parish, LALA18,938-6.2%−7.8 pts

10St. John the Baptist Parish, LALA39,875-6.1%−13.7 pts

11West Carroll Parish, LALA9,156-6.1%−7.9 pts

12Red River Parish, LALA7,165-6.0%−8.5 pts

13Pointe Coupee Parish, LALA19,520-6.0%−7.0 pts

14St. Mary Parish, LALA46,552-5.8%+2.1 pts

15Claiborne Parish, LALA13,354-5.8%−2.6 pts

16Caddo Parish, LALA224,226-5.7%−7.3 pts

17Orleans Parish, LALA362,154-5.7%−3.2 pts

18Bienville Parish, LALA12,269-5.5%−4.1 pts

19Webster Parish, LALA34,948-5.5%−5.1 pts

20Plaquemines Parish, LALA22,256-5.4%−10.0 pts

21Terrebonne Parish, LALA104,163-4.9%−12.7 pts

22Concordia Parish, LALA17,836-4.6%−1.8 pts

23Avoyelles Parish, LALA37,941-4.4%−10.3 pts

24Iberia Parish, LALA66,846-4.4%−11.7 pts

25Franklin Parish, LALA19,002-3.9%+1.1 pts

26Calcasieu Parish, LALA208,466-3.8%−13.0 pts

27Natchitoches Parish, LALA36,089-3.8%−10.3 pts

28St. Charles Parish, LALA50,586-3.7%−17.0 pts

29East Feliciana Parish, LALA18,911-3.2%−14.4 pts

30Rapides Parish, LALA125,877-3.2%+0.8 pts

31Caldwell Parish, LALA9,344-3.1%−10.8 pts

32Union Parish, LALA20,561-2.6%−12.8 pts

33Jefferson Davis Parish, LALA31,471-2.4%−4.7 pts

34Richland Parish, LALA19,582-2.3%−4.0 pts

35Iberville Parish, LALA29,579-2.2%−9.5 pts

36St. Landry Parish, LALA80,765-2.2%−11.3 pts

37Jefferson Parish, LALA431,398-2.1%−3.7 pts

38Lafourche Parish, LALA95,505-2.1%−6.9 pts

39St. Helena Parish, LALA10,758-1.5%−8.1 pts

40Sabine Parish, LALA21,834-1.4%−5.0 pts

41St. Martin Parish, LALA51,106-1.3%−11.7 pts

42Washington Parish, LALA44,937-1.2%−2.9 pts

43West Feliciana Parish, LALA15,134-1.1%−18.2 pts

44Evangeline Parish, LALA31,980-1.1%−7.6 pts

45Ouachita Parish, LALA158,542-1.1%−4.7 pts

46Acadia Parish, LALA57,032-0.9%−6.3 pts

47Grant Parish, LALA22,075-0.4%−7.1 pts

48Allen Parish, LALA22,672-0.3%−20.2 pts

49East Baton Rouge Parish, LALA456,180-0.1%−8.7 pts

50Lincoln Parish, LALA48,360-0.1%−1.9 pts

51Beauregard Parish, LALA36,673+0.3%−9.3 pts

52Vermilion Parish, LALA57,671+0.5%−7.0 pts

53De Soto Parish, LALA27,381+2.1%+1.5 pts

54Bossier Parish, LALA131,867+2.4%−11.8 pts

55LaSalle Parish, LALA15,154+2.5%−2.1 pts

56St. Bernard Parish, LALA45,642+4.3%+3.4 pts

57Jackson Parish, LALA15,834+5.3%+7.3 pts

58St. Tammany Parish, LALA279,108+5.5%−26.9 pts

59West Baton Rouge Parish, LALA28,756+5.7%−5.5 pts

60Tangipahoa Parish, LALA141,346+6.1%−11.2 pts

61Lafayette Parish, LALA257,949+6.7%−8.9 pts

62Ascension Parish, LALA135,105+6.8%−24.8 pts

63Winn Parish, LALA14,961+8.8%+4.9 pts

64Livingston Parish, LALA155,036+9.0%−21.2 pts

SHOWING 1–64 OF 64

Download CSV (full list, 64 rows)

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