RANKING · 2020 CENSUS · 64 SHOWN OF 64

Fastest shrinking, Louisiana counties

Louisiana counties with the steepest population decline since the prior decennial census. 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 densely populated Most sparsely populated Best broadband access Worst broadband access

YEAR2000 2010 2020

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Tensas Parish, LALA3,700-21.0%+208%

02Cameron Parish, LALA4,718-17.9%−326%

03Claiborne Parish, LALA13,354-17.6%+453%

04Madison Parish, LALA8,844-17.2%−269%

05Red River Parish, LALA7,165-16.2%−746%

06West Carroll Parish, LALA9,156-16.0%−974%

07Catahoula Parish, LALA8,223-14.4%+1001%

08Allen Parish, LALA22,672-11.7%−159%

09Webster Parish, LALA34,948-10.3%+2634%

10Concordia Parish, LALA17,836-10.3%+268%

11Winn Parish, LALA14,961-10.2%−365%

12Assumption Parish, LALA19,720-10.2%−464%

13St. Mary Parish, LALA46,552-9.6%+22%

14Bienville Parish, LALA12,269-9.6%+573%

15Iberville Parish, LALA29,579-9.4%−229%

16Pointe Coupee Parish, LALA19,520-9.0%−1006%

17St. James Parish, LALA18,938-8.6%−635%

18Sabine Parish, LALA21,834-8.6%−339%

19Morehouse Parish, LALA23,705-8.4%+193%

20Jackson Parish, LALA15,834-7.6%+289%

21St. John the Baptist Parish, LALA39,875-7.5%−198%

22Union Parish, LALA20,561-7.1%−170%

23Vernon Parish, LALA45,091-6.8%−55%

24Acadia Parish, LALA57,032-6.8%−227%

25Caddo Parish, LALA224,226-6.7%−527%

26Avoyelles Parish, LALA37,941-5.7%−195%

27Natchitoches Parish, LALA36,089-5.2%−180%

28Evangeline Parish, LALA31,980-4.8%−174%

29Caldwell Parish, LALA9,344-4.8%−163%

30Franklin Parish, LALA19,002-4.8%−5%

31Iberia Parish, LALA66,846-4.5%−162%

32East Carroll Parish, LALA6,760-3.9%+30%

33Washington Parish, LALA44,937-3.6%−311%

34East Feliciana Parish, LALA18,911-3.6%−132%

35Richland Parish, LALA19,582-3.3%−293%

36St. Helena Parish, LALA10,758-2.5%−138%

37Terrebonne Parish, LALA104,163-2.0%−126%

38West Feliciana Parish, LALA15,134-2.0%−112%

39Rapides Parish, LALA125,877-1.2%−70%

40Vermilion Parish, LALA57,671-1.1%−115%

41St. Landry Parish, LALA80,765-1.0%−111%

42St. Martin Parish, LALA51,106-0.8%−107%

43LaSalle Parish, LALA15,154-0.7%−115%

44Grant Parish, LALA22,075-0.6%−109%

45St. Charles Parish, LALA50,586-0.4%−103%

46De Soto Parish, LALA27,381+0.6%+0%

47Lafourche Parish, LALA95,505+1.3%−73%

48Jefferson Parish, LALA431,398+1.9%+19%

49Plaquemines Parish, LALA22,256+2.1%−56%

50Jefferson Davis Parish, LALA31,471+2.1%−11%

51Beauregard Parish, LALA36,673+2.5%−74%

52Lincoln Parish, LALA48,360+3.6%+94%

53East Baton Rouge Parish, LALA456,180+3.8%−56%

54Ouachita Parish, LALA158,542+4.3%+22%

55Lafayette Parish, LALA257,949+9.1%−42%

56Tangipahoa Parish, LALA141,346+10.0%−43%

57Bossier Parish, LALA131,867+10.1%−29%

58Livingston Parish, LALA155,036+11.1%−63%

59Orleans Parish, LALA362,154+11.7%−573%

60Calcasieu Parish, LALA208,466+12.5%+36%

61St. Tammany Parish, LALA279,108+13.2%−59%

62West Baton Rouge Parish, LALA28,756+14.3%+28%

63Ascension Parish, LALA135,105+18.0%−43%

64St. Bernard Parish, LALA45,642+21.9%+2342%

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES