RANKING · 2020 CENSUS · 64 SHOWN OF 64

Fastest shrinking, Louisiana counties · 2020

Louisiana counties with the steepest population decline from the 2010 census to 2020. 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 growing Most population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Tensas Parish, LALA3,700-21.0%−14.2 pts

02Cameron Parish, LALA4,718-17.9%−25.8 pts

03Claiborne Parish, LALA13,354-17.6%−14.4 pts

04Madison Parish, LALA8,844-17.2%−27.3 pts

05Red River Parish, LALA7,165-16.2%−18.7 pts

06West Carroll Parish, LALA9,156-16.0%−17.8 pts

07Catahoula Parish, LALA8,223-14.4%−13.1 pts

08Allen Parish, LALA22,672-11.7%−31.6 pts

09Webster Parish, LALA34,948-10.3%−9.9 pts

10Concordia Parish, LALA17,836-10.3%−7.5 pts

11Winn Parish, LALA14,961-10.2%−14.0 pts

12Assumption Parish, LALA19,720-10.2%−13.0 pts

13St. Mary Parish, LALA46,552-9.6%−1.7 pts

14Bienville Parish, LALA12,269-9.6%−8.1 pts

15Iberville Parish, LALA29,579-9.4%−16.7 pts

16Pointe Coupee Parish, LALA19,520-9.0%−10.0 pts

17St. James Parish, LALA18,938-8.6%−10.3 pts

18Sabine Parish, LALA21,834-8.6%−12.2 pts

19Morehouse Parish, LALA23,705-8.4%−5.5 pts

20Jackson Parish, LALA15,834-7.6%−5.7 pts

21St. John the Baptist Parish, LALA39,875-7.5%−15.1 pts

22Union Parish, LALA20,561-7.1%−17.3 pts

23Vernon Parish, LALA45,091-6.8%+8.4 pts

24Acadia Parish, LALA57,032-6.8%−12.1 pts

25Caddo Parish, LALA224,226-6.7%−8.3 pts

26Avoyelles Parish, LALA37,941-5.7%−11.6 pts

27Natchitoches Parish, LALA36,089-5.2%−11.7 pts

28Evangeline Parish, LALA31,980-4.8%−11.3 pts

29Caldwell Parish, LALA9,344-4.8%−12.5 pts

30Franklin Parish, LALA19,002-4.8%+0.2 pts

31Iberia Parish, LALA66,846-4.5%−11.8 pts

32East Carroll Parish, LALA6,760-3.9%−0.9 pts

33Washington Parish, LALA44,937-3.6%−5.3 pts

34East Feliciana Parish, LALA18,911-3.6%−14.8 pts

35Richland Parish, LALA19,582-3.3%−5.0 pts

36St. Helena Parish, LALA10,758-2.5%−9.1 pts

37Terrebonne Parish, LALA104,163-2.0%−9.8 pts

38West Feliciana Parish, LALA15,134-2.0%−19.0 pts

39Rapides Parish, LALA125,877-1.2%+2.8 pts

40Vermilion Parish, LALA57,671-1.1%−8.6 pts

41St. Landry Parish, LALA80,765-1.0%−10.2 pts

42St. Martin Parish, LALA51,106-0.8%−11.2 pts

43LaSalle Parish, LALA15,154-0.7%−5.2 pts

44Grant Parish, LALA22,075-0.6%−7.3 pts

45St. Charles Parish, LALA50,586-0.4%−13.7 pts

46De Soto Parish, LALA27,381+0.6%+0.0 pts

47Lafourche Parish, LALA95,505+1.3%−3.5 pts

48Jefferson Parish, LALA431,398+1.9%+0.3 pts

49Plaquemines Parish, LALA22,256+2.1%−2.6 pts

50Jefferson Davis Parish, LALA31,471+2.1%−0.2 pts

51Beauregard Parish, LALA36,673+2.5%−7.1 pts

52Lincoln Parish, LALA48,360+3.6%+1.7 pts

53East Baton Rouge Parish, LALA456,180+3.8%−4.8 pts

54Ouachita Parish, LALA158,542+4.3%+0.8 pts

55Lafayette Parish, LALA257,949+9.1%−6.5 pts

56Tangipahoa Parish, LALA141,346+10.0%−7.4 pts

57Bossier Parish, LALA131,867+10.1%−4.1 pts

58Livingston Parish, LALA155,036+11.1%−19.0 pts

59Orleans Parish, LALA362,154+11.7%+14.2 pts

60Calcasieu Parish, LALA208,466+12.5%+3.3 pts

61St. Tammany Parish, LALA279,108+13.2%−19.2 pts

62West Baton Rouge Parish, LALA28,756+14.3%+3.1 pts

63Ascension Parish, LALA135,105+18.0%−13.6 pts

64St. Bernard Parish, LALA45,642+21.9%+21.0 pts

SHOWING 1–64 OF 64

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS