RANKING · 2000 CENSUS · 64 SHOWN OF 64

Most densely populated, Louisiana counties · 2000

Louisiana counties ranked by residents per square mile (2000). This list covers the 64 counties in Louisiana that qualify, ranked against each other statewide. The median across all 64 is 50.

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SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 1990

01Orleans Parish, LALA362,1542,859−2%

02Jefferson Parish, LALA431,3981,514+2%

03East Baton Rouge Parish, LALA456,180906+9%

04Lafayette Parish, LALA257,949709+16%

05Caddo Parish, LALA224,226287+2%

06Ascension Parish, LALA135,105264+32%

07Ouachita Parish, LALA158,542241+4%

08St. Tammany Parish, LALA279,108226+32%

09St. John the Baptist Parish, LALA39,875201+8%

10St. Bernard Parish, LALA45,642178+1%

11St. Charles Parish, LALA50,586173+13%

12Calcasieu Parish, LALA208,466173+9%

13Livingston Parish, LALA155,036142+30%

14Iberia Parish, LALA66,846127+7%

15Tangipahoa Parish, LALA141,346127+17%

16Bossier Parish, LALA131,867117+14%

17West Baton Rouge Parish, LALA28,756112+11%

18St. Mary Parish, LALA46,55296−8%

19Rapides Parish, LALA125,87795−4%

20St. Landry Parish, LALA80,76595+9%

21Lincoln Parish, LALA48,36090+2%

22Acadia Parish, LALA57,03290+5%

23St. James Parish, LALA18,93889+2%

24Terrebonne Parish, LALA104,16385+8%

25Lafourche Parish, LALA95,50584+5%

26Webster Parish, LALA34,948710%

27Assumption Parish, LALA19,72068+3%

28St. Martin Parish, LALA51,10666+10%

29Washington Parish, LALA44,93766+2%

30Iberville Parish, LALA29,57954+7%

31Evangeline Parish, LALA31,98053+6%

32Avoyelles Parish, LALA37,94150+6%

33Jefferson Davis Parish, LALA31,47148+2%

34East Feliciana Parish, LALA18,91147+11%

35Vermilion Parish, LALA57,67146+7%

36Pointe Coupee Parish, LALA19,52041+1%

37Vernon Parish, LALA45,09140−15%

38Morehouse Parish, LALA23,70539−3%

39Richland Parish, LALA19,58238+2%

40West Feliciana Parish, LALA15,13437+17%

41Plaquemines Parish, LALA22,25634+5%

42West Carroll Parish, LALA9,15634+2%

43Franklin Parish, LALA19,00234−5%

44Allen Parish, LALA22,67233+20%

45Natchitoches Parish, LALA36,08931+7%

46De Soto Parish, LALA27,38129+1%

47Grant Parish, LALA22,07529+7%

48Concordia Parish, LALA17,83629−3%

49Beauregard Parish, LALA36,67328+10%

50Sabine Parish, LALA21,83427+4%

51Jackson Parish, LALA15,83427−2%

52Union Parish, LALA20,56126+10%

53St. Helena Parish, LALA10,75826+7%

54Red River Parish, LALA7,16525+3%

55LaSalle Parish, LALA15,15423+5%

56East Carroll Parish, LALA6,76022−3%

57Claiborne Parish, LALA13,35422−3%

58Madison Parish, LALA8,84422+10%

59Caldwell Parish, LALA9,34420+8%

60Bienville Parish, LALA12,26919−1%

61Winn Parish, LALA14,96118+4%

62Catahoula Parish, LALA8,22315−1%

63Tensas Parish, LALA3,70011−7%

64Cameron Parish, LALA4,7188+8%

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS