RANKING · 2025 ESTIMATES · 64 SHOWN OF 64

Most sparsely populated, Louisiana counties

Louisiana counties with the fewest residents per square mile (2025). This list covers the 64 counties in Louisiana that qualify, ranked against each other statewide. The median across all 64 is 48.

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SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

01Cameron Parish, LALA4,7184−53%

02Tensas Parish, LALA3,7006−44%

03Catahoula Parish, LALA8,22312−25%

04▲2Madison Parish, LALA8,84414−36%

05Bienville Parish, LALA12,26915−22%

06▼2Winn Parish, LALA14,96116−11%

07East Carroll Parish, LALA6,76016−28%

08Caldwell Parish, LALA9,34418−12%

09Claiborne Parish, LALA13,35418−21%

10Red River Parish, LALA7,16518−26%

11▲1Union Parish, LALA20,56123−10%

12▼1LaSalle Parish, LALA15,15424+6%

13Sabine Parish, LALA21,83425−7%

14▲3West Carroll Parish, LALA9,15625−26%

15▲1Concordia Parish, LALA17,83626−12%

16▼1St. Helena Parish, LALA10,75826+2%

17▼3Jackson Parish, LALA15,83428+3%

18▲2Plaquemines Parish, LALA22,25629−17%

19Natchitoches Parish, LALA36,08929−8%

20▼2Allen Parish, LALA22,67230−11%

21▲3Morehouse Parish, LALA23,70530−24%

22▲1Franklin Parish, LALA19,00230−11%

23▼2De Soto Parish, LALA27,38131+7%

24▼2Beauregard Parish, LALA36,67332+11%

25▲2Vernon Parish, LALA45,09134−14%

26▼1Grant Parish, LALA22,07534+18%

27▲1Pointe Coupee Parish, LALA19,52035−14%

28▼2Richland Parish, LALA19,58235−7%

29West Feliciana Parish, LALA15,134380%

30East Feliciana Parish, LALA18,91142−11%

31Avoyelles Parish, LALA37,94146−9%

32▲1Iberville Parish, LALA29,57948−11%

33▼1Evangeline Parish, LALA31,98048−10%

34▲1Jefferson Davis Parish, LALA31,471480%

35▼1Vermilion Parish, LALA57,67149+7%

36Assumption Parish, LALA19,72057−16%

37Webster Parish, LALA34,94859−16%

38Washington Parish, LALA44,93767+2%

39St. Martin Parish, LALA51,10669+5%

40St. James Parish, LALA18,93880−11%

41▲1St. Mary Parish, LALA46,55283−13%

42▲1Terrebonne Parish, LALA104,163850%

43▼2Acadia Parish, LALA57,03287−3%

44St. Landry Parish, LALA80,76587−8%

45Lafourche Parish, LALA95,50589+6%

46Rapides Parish, LALA125,877950%

47Lincoln Parish, LALA48,360103+14%

48▲1Iberia Parish, LALA66,846116−9%

49▼1St. Bernard Parish, LALA45,642121−32%

50West Baton Rouge Parish, LALA28,756150+33%

51Bossier Parish, LALA131,867157+34%

52Tangipahoa Parish, LALA141,346179+41%

53St. Charles Parish, LALA50,586182+5%

54St. John the Baptist Parish, LALA39,875186−7%

55Calcasieu Parish, LALA208,466196+14%

56Livingston Parish, LALA155,036239+69%

57▲1Caddo Parish, LALA224,226255−11%

58▼1Ouachita Parish, LALA158,542260+8%

59St. Tammany Parish, LALA279,108330+46%

60Ascension Parish, LALA135,105466+76%

61Lafayette Parish, LALA257,949960+35%

62East Baton Rouge Parish, LALA456,1801,001+10%

63Jefferson Parish, LALA431,3981,434−5%

64Orleans Parish, LALA362,1542,137−25%

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU POPULATION ESTIMATES