RANKING · 2020 CENSUS · 64 SHOWN OF 64

Fastest growing, Louisiana counties · 2020

Louisiana counties ranked by population growth 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 shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01St. Bernard Parish, LALA45,642+21.9%+21.0 pts

02Ascension Parish, LALA135,105+18.0%−13.6 pts

03West Baton Rouge Parish, LALA28,756+14.3%+3.1 pts

04St. Tammany Parish, LALA279,108+13.2%−19.2 pts

05Calcasieu Parish, LALA208,466+12.5%+3.3 pts

06Orleans Parish, LALA362,154+11.7%+14.2 pts

07Livingston Parish, LALA155,036+11.1%−19.0 pts

08Bossier Parish, LALA131,867+10.1%−4.1 pts

09Tangipahoa Parish, LALA141,346+10.0%−7.4 pts

10Lafayette Parish, LALA257,949+9.1%−6.5 pts

11Ouachita Parish, LALA158,542+4.3%+0.8 pts

12East Baton Rouge Parish, LALA456,180+3.8%−4.8 pts

13Lincoln Parish, LALA48,360+3.6%+1.7 pts

14Beauregard Parish, LALA36,673+2.5%−7.1 pts

15Jefferson Davis Parish, LALA31,471+2.1%−0.2 pts

16Plaquemines Parish, LALA22,256+2.1%−2.6 pts

17Jefferson Parish, LALA431,398+1.9%+0.3 pts

18Lafourche Parish, LALA95,505+1.3%−3.5 pts

19De Soto Parish, LALA27,381+0.6%+0.0 pts

20St. Charles Parish, LALA50,586-0.4%−13.7 pts

21Grant Parish, LALA22,075-0.6%−7.3 pts

22LaSalle Parish, LALA15,154-0.7%−5.2 pts

23St. Martin Parish, LALA51,106-0.8%−11.2 pts

24St. Landry Parish, LALA80,765-1.0%−10.2 pts

25Vermilion Parish, LALA57,671-1.1%−8.6 pts

26Rapides Parish, LALA125,877-1.2%+2.8 pts

27West Feliciana Parish, LALA15,134-2.0%−19.0 pts

28Terrebonne Parish, LALA104,163-2.0%−9.8 pts

29St. Helena Parish, LALA10,758-2.5%−9.1 pts

30Richland Parish, LALA19,582-3.3%−5.0 pts

31East Feliciana Parish, LALA18,911-3.6%−14.8 pts

32Washington Parish, LALA44,937-3.6%−5.3 pts

33East Carroll Parish, LALA6,760-3.9%−0.9 pts

34Iberia Parish, LALA66,846-4.5%−11.8 pts

35Franklin Parish, LALA19,002-4.8%+0.2 pts

36Caldwell Parish, LALA9,344-4.8%−12.5 pts

37Evangeline Parish, LALA31,980-4.8%−11.3 pts

38Natchitoches Parish, LALA36,089-5.2%−11.7 pts

39Avoyelles Parish, LALA37,941-5.7%−11.6 pts

40Caddo Parish, LALA224,226-6.7%−8.3 pts

41Acadia Parish, LALA57,032-6.8%−12.1 pts

42Vernon Parish, LALA45,091-6.8%+8.4 pts

43Union Parish, LALA20,561-7.1%−17.3 pts

44St. John the Baptist Parish, LALA39,875-7.5%−15.1 pts

45Jackson Parish, LALA15,834-7.6%−5.7 pts

46Morehouse Parish, LALA23,705-8.4%−5.5 pts

47Sabine Parish, LALA21,834-8.6%−12.2 pts

48St. James Parish, LALA18,938-8.6%−10.3 pts

49Pointe Coupee Parish, LALA19,520-9.0%−10.0 pts

50Iberville Parish, LALA29,579-9.4%−16.7 pts

51Bienville Parish, LALA12,269-9.6%−8.1 pts

52St. Mary Parish, LALA46,552-9.6%−1.7 pts

53Assumption Parish, LALA19,720-10.2%−13.0 pts

54Winn Parish, LALA14,961-10.2%−14.0 pts

55Concordia Parish, LALA17,836-10.3%−7.5 pts

56Webster Parish, LALA34,948-10.3%−9.9 pts

57Allen Parish, LALA22,672-11.7%−31.6 pts

58Catahoula Parish, LALA8,223-14.4%−13.1 pts

59West Carroll Parish, LALA9,156-16.0%−17.8 pts

60Red River Parish, LALA7,165-16.2%−18.7 pts

61Madison Parish, LALA8,844-17.2%−27.3 pts

62Claiborne Parish, LALA13,354-17.6%−14.4 pts

63Cameron Parish, LALA4,718-17.9%−25.8 pts

64Tensas Parish, LALA3,700-21.0%−14.2 pts

SHOWING 1–64 OF 64

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