RANKING · 2010 CENSUS · 64 SHOWN OF 64

Fastest growing, Louisiana counties · 2010

Louisiana counties ranked by population growth 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 shrinking Most densely populated Most sparsely populated Best broadband access Worst broadband access

YEAR2000 2010 2020

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Ascension Parish, LALA135,105+39.9%+26%

02Livingston Parish, LALA155,036+39.4%+31%

03St. Tammany Parish, LALA279,108+22.2%−31%

04Tangipahoa Parish, LALA141,346+20.4%+17%

05Grant Parish, LALA22,075+19.3%+189%

06Bossier Parish, LALA131,867+19.0%+34%

07Lafayette Parish, LALA257,949+16.3%+4%

08West Baton Rouge Parish, LALA28,756+10.1%−10%

09Lincoln Parish, LALA48,360+9.9%+443%

10St. Charles Parish, LALA50,586+9.8%−26%

11Beauregard Parish, LALA36,673+8.1%−16%

12Vermilion Parish, LALA57,671+7.8%+4%

13Washington Parish, LALA44,937+7.4%+330%

14St. Martin Parish, LALA51,106+7.4%−30%

15Lafourche Parish, LALA95,505+7.1%+47%

16Terrebonne Parish, LALA104,163+7.0%−9%

17St. John the Baptist Parish, LALA39,875+6.7%−12%

18East Baton Rouge Parish, LALA456,180+6.6%−23%

19St. Helena Parish, LALA10,758+6.4%−2%

20Jackson Parish, LALA15,834+5.7%−390%

21Calcasieu Parish, LALA208,466+5.0%−45%

22Acadia Parish, LALA57,032+4.9%−7%

23De Soto Parish, LALA27,381+4.6%+681%

24Ouachita Parish, LALA158,542+4.4%+23%

25LaSalle Parish, LALA15,154+4.3%−6%

26Rapides Parish, LALA125,877+4.2%−205%

27St. James Parish, LALA18,938+4.2%+159%

28West Feliciana Parish, LALA15,134+3.4%−80%

29Sabine Parish, LALA21,834+3.3%−8%

30Concordia Parish, LALA17,836+2.8%−202%

31St. Mary Parish, LALA46,552+2.1%−127%

32Claiborne Parish, LALA13,354+2.0%−164%

33Avoyelles Parish, LALA37,941+1.4%−76%

34Allen Parish, LALA22,672+1.3%−94%

35Natchitoches Parish, LALA36,089+1.2%−81%

36Caddo Parish, LALA224,226+1.1%−29%

37Jefferson Davis Parish, LALA31,471+0.5%−78%

38Iberville Parish, LALA29,579+0.2%−97%

39Pointe Coupee Parish, LALA19,520+0.2%−83%

40Assumption Parish, LALA19,720+0.1%−95%

41Iberia Parish, LALA66,846-0.0%−100%

42Union Parish, LALA20,561-0.4%−104%

43Vernon Parish, LALA45,091-0.4%−98%

44Richland Parish, LALA19,582-1.2%−172%

45Webster Parish, LALA34,948-1.5%+296%

46Franklin Parish, LALA19,002-2.3%−54%

47Caldwell Parish, LALA9,344-4.1%−153%

48Evangeline Parish, LALA31,980-4.1%−163%

49Catahoula Parish, LALA8,223-4.7%+258%

50St. Landry Parish, LALA80,765-4.9%−154%

51Jefferson Parish, LALA431,398-5.0%−415%

52East Feliciana Parish, LALA18,911-5.1%−146%

53Red River Parish, LALA7,165-5.5%−320%

54West Carroll Parish, LALA9,156-5.8%−416%

55Bienville Parish, LALA12,269-8.9%+525%

56Winn Parish, LALA14,961-9.4%−344%

57Morehouse Parish, LALA23,705-9.8%+242%

58Madison Parish, LALA8,844-11.9%−217%

59Plaquemines Parish, LALA22,256-13.9%−400%

60East Carroll Parish, LALA6,760-17.6%+495%

61Tensas Parish, LALA3,700-20.6%+202%

62Orleans Parish, LALA362,154-29.1%+1078%

63Cameron Parish, LALA4,718-31.5%−500%

64St. Bernard Parish, LALA45,642-46.6%−5293%

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