RANKING · 1990 CENSUS · 64 SHOWN OF 64

Largest by population, Louisiana counties · 1990

The most populous Louisiana counties as of the 1990 population estimates. This list covers the 64 counties in Louisiana that qualify, ranked against each other statewide.

LouisianaAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDFastest growing Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR1990 2000 2010 2020 2025

RANKPLACESTATETOTAL POPULATIONVS –

01Orleans Parish, LALA496,938–

02Jefferson Parish, LALA448,306–

03East Baton Rouge Parish, LALA380,105–

04Caddo Parish, LALA248,253–

05Calcasieu Parish, LALA168,134–

06Lafayette Parish, LALA164,762–

07St. Tammany Parish, LALA144,508–

08Ouachita Parish, LALA142,191–

09Rapides Parish, LALA131,556–

10Terrebonne Parish, LALA96,982–

11Bossier Parish, LALA86,088–

12Lafourche Parish, LALA85,860–

13Tangipahoa Parish, LALA85,709–

14St. Landry Parish, LALA80,331–

15Livingston Parish, LALA70,526–

16Iberia Parish, LALA68,297–

17St. Bernard Parish, LALA66,631–

18Vernon Parish, LALA61,961–

19Ascension Parish, LALA58,214–

20St. Mary Parish, LALA58,086–

21Acadia Parish, LALA55,882–

22Vermilion Parish, LALA50,055–

23St. Martin Parish, LALA43,978–

24Washington Parish, LALA43,185–

25St. Charles Parish, LALA42,437–

26Webster Parish, LALA41,989–

27Lincoln Parish, LALA41,745–

28St. John the Baptist Parish, LALA39,996–

29Avoyelles Parish, LALA39,159–

30Natchitoches Parish, LALA36,689–

31Evangeline Parish, LALA33,274–

32Morehouse Parish, LALA31,938–

33Iberville Parish, LALA31,049–

34Jefferson Davis Parish, LALA30,722–

35Beauregard Parish, LALA30,083–

36Plaquemines Parish, LALA25,575–

37De Soto Parish, LALA25,346–

38Assumption Parish, LALA22,753–

39Sabine Parish, LALA22,646–

40Pointe Coupee Parish, LALA22,540–

41Franklin Parish, LALA22,387–

42Allen Parish, LALA21,226–

43St. James Parish, LALA20,879–

44Concordia Parish, LALA20,828–

45Union Parish, LALA20,690–

46Richland Parish, LALA20,629–

47West Baton Rouge Parish, LALA19,419–

48East Feliciana Parish, LALA19,211–

49Grant Parish, LALA17,526–

50Claiborne Parish, LALA17,405–

51Winn Parish, LALA16,269–

52Bienville Parish, LALA15,979–

53Jackson Parish, LALA15,705–

54LaSalle Parish, LALA13,662–

55West Feliciana Parish, LALA12,915–

56Madison Parish, LALA12,463–

57West Carroll Parish, LALA12,093–

58Catahoula Parish, LALA11,065–

59St. Helena Parish, LALA9,874–

60Caldwell Parish, LALA9,810–

61East Carroll Parish, LALA9,709–

62Red River Parish, LALA9,387–

63Cameron Parish, LALA9,260–

64Tensas Parish, LALA7,103–

SHOWING 1–64 OF 64

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS