RANKING · 2020 CENSUS · 64 SHOWN OF 64

Most sparsely populated, Louisiana counties · 2020

Louisiana counties with the fewest residents per square mile (2023). This list covers the 64 counties in Louisiana that qualify, ranked against each other statewide.

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RELATEDLargest by population Fastest growing Fastest shrinking Most densely populated Best broadband access Worst broadband access

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

01Cameron Parish, LALA4,7184−44%

02Tensas Parish, LALA3,7007−37%

03Catahoula Parish, LALA8,22313−18%

04Winn Parish, LALA14,96114−19%

05Bienville Parish, LALA12,26916−18%

06Madison Parish, LALA8,84416−27%

07East Carroll Parish, LALA6,76018−21%

08Caldwell Parish, LALA9,34418−9%

09Claiborne Parish, LALA13,35419−16%

10Red River Parish, LALA7,16520−21%

11LaSalle Parish, LALA15,15424+4%

12Union Parish, LALA20,56124−7%

13Sabine Parish, LALA21,83426−6%

14Jackson Parish, LALA15,83426−2%

15St. Helena Parish, LALA10,75827+4%

16Concordia Parish, LALA17,83627−8%

17West Carroll Parish, LALA9,15627−21%

18Allen Parish, LALA22,67230−11%

19Natchitoches Parish, LALA36,08930−4%

20Plaquemines Parish, LALA22,25630−12%

21De Soto Parish, LALA27,38131+5%

22Beauregard Parish, LALA36,67332+11%

23Franklin Parish, LALA19,00232−7%

24Morehouse Parish, LALA23,70532−17%

25Grant Parish, LALA22,07534+19%

26Richland Parish, LALA19,58236−4%

27Vernon Parish, LALA45,09137−7%

28Pointe Coupee Parish, LALA19,52037−9%

29West Feliciana Parish, LALA15,13438+1%

30East Feliciana Parish, LALA18,91143−9%

31Avoyelles Parish, LALA37,94148−4%

32Evangeline Parish, LALA31,98049−9%

33Iberville Parish, LALA29,57949−9%

34Vermilion Parish, LALA57,67149+7%

35Jefferson Davis Parish, LALA31,47149+3%

36Assumption Parish, LALA19,72061−10%

37Webster Parish, LALA34,94862−12%

38Washington Parish, LALA44,93768+3%

39St. Martin Parish, LALA51,10670+7%

40St. James Parish, LALA18,93885−5%

41Acadia Parish, LALA57,03288−2%

42St. Mary Parish, LALA46,55288−8%

43Terrebonne Parish, LALA104,16389+5%

44St. Landry Parish, LALA80,76589−6%

45Lafourche Parish, LALA95,50591+8%

46Rapides Parish, LALA125,87798+3%

47Lincoln Parish, LALA48,360103+14%

48St. Bernard Parish, LALA45,642116−35%

49Iberia Parish, LALA66,846122−5%

50West Baton Rouge Parish, LALA28,756141+26%

51Bossier Parish, LALA131,867153+31%

52Tangipahoa Parish, LALA141,346168+32%

53St. Charles Parish, LALA50,586189+9%

54St. John the Baptist Parish, LALA39,875198−1%

55Calcasieu Parish, LALA208,466204+18%

56Livingston Parish, LALA155,036220+55%

57Ouachita Parish, LALA158,542263+9%

58Caddo Parish, LALA224,226270−6%

59St. Tammany Parish, LALA279,108313+38%

60Ascension Parish, LALA135,105436+65%

61Lafayette Parish, LALA257,949899+27%

62East Baton Rouge Parish, LALA456,1801,003+11%

63Jefferson Parish, LALA431,3981,465−3%

64Orleans Parish, LALA362,1542,265−21%

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