RANKING · 2025 ESTIMATES · 64 SHOWN OF 64

Most densely populated, Louisiana counties

Louisiana counties ranked by residents per square mile (2025). 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 Fastest shrinking Most population gained Most population lost Most sparsely populated

RANKPLACESTATEPOPPOPULATION DENSITYVS –

01Orleans Parish, LALA362,1542,137–

02Jefferson Parish, LALA431,3981,434–

03East Baton Rouge Parish, LALA456,1801,001–

04Lafayette Parish, LALA257,949960–

05Ascension Parish, LALA135,105466–

06St. Tammany Parish, LALA279,108330–

07Ouachita Parish, LALA158,542260–

08Caddo Parish, LALA224,226255–

09Livingston Parish, LALA155,036239–

10Calcasieu Parish, LALA208,466196–

11St. John the Baptist Parish, LALA39,875186–

12St. Charles Parish, LALA50,586182–

13Tangipahoa Parish, LALA141,346179–

14Bossier Parish, LALA131,867157–

15West Baton Rouge Parish, LALA28,756150–

16St. Bernard Parish, LALA45,642121–

17Iberia Parish, LALA66,846116–

18Lincoln Parish, LALA48,360103–

19Rapides Parish, LALA125,87795–

20Lafourche Parish, LALA95,50589–

21St. Landry Parish, LALA80,76587–

22Acadia Parish, LALA57,03287–

23Terrebonne Parish, LALA104,16385–

24St. Mary Parish, LALA46,55283–

25St. James Parish, LALA18,93880–

26St. Martin Parish, LALA51,10669–

27Washington Parish, LALA44,93767–

28Webster Parish, LALA34,94859–

29Assumption Parish, LALA19,72057–

30Vermilion Parish, LALA57,67149–

31Jefferson Davis Parish, LALA31,47148–

32Evangeline Parish, LALA31,98048–

33Iberville Parish, LALA29,57948–

34Avoyelles Parish, LALA37,94146–

35East Feliciana Parish, LALA18,91142–

36West Feliciana Parish, LALA15,13438–

37Richland Parish, LALA19,58235–

38Pointe Coupee Parish, LALA19,52035–

39Grant Parish, LALA22,07534–

40Vernon Parish, LALA45,09134–

41Beauregard Parish, LALA36,67332–

42De Soto Parish, LALA27,38131–

43Franklin Parish, LALA19,00230–

44Morehouse Parish, LALA23,70530–

45Allen Parish, LALA22,67230–

46Natchitoches Parish, LALA36,08929–

47Plaquemines Parish, LALA22,25629–

48Jackson Parish, LALA15,83428–

49St. Helena Parish, LALA10,75826–

50Concordia Parish, LALA17,83626–

51West Carroll Parish, LALA9,15625–

52Sabine Parish, LALA21,83425–

53LaSalle Parish, LALA15,15424–

54Union Parish, LALA20,56123–

55Red River Parish, LALA7,16518–

56Claiborne Parish, LALA13,35418–

57Caldwell Parish, LALA9,34418–

58East Carroll Parish, LALA6,76016–

59Winn Parish, LALA14,96116–

60Bienville Parish, LALA12,26915–

61Madison Parish, LALA8,84414–

62Catahoula Parish, LALA8,22312–

63Tensas Parish, LALA3,7006–

64Cameron Parish, LALA4,7184–

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU POPULATION ESTIMATES