RANKING · 1990 CENSUS · 64 SHOWN OF 64

Youngest by median age, Louisiana counties · 1990

Louisiana counties with the youngest median age (1990 ACS). This list covers the 64 counties in Louisiana that qualify, ranked against each other statewide. The median across all 64 is 31.7.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS –

01Lincoln Parish, LALA48,36024.7–

02Vernon Parish, LALA45,09124.7–

03East Carroll Parish, LALA6,76028.0–

04St. John the Baptist Parish, LALA39,87528.9–

05Natchitoches Parish, LALA36,08929.0–

06Terrebonne Parish, LALA104,16329.2–

07St. James Parish, LALA18,93829.3–

08St. Martin Parish, LALA51,10629.4–

09Plaquemines Parish, LALA22,25629.4–

10Ascension Parish, LALA135,10529.5–

11Lafourche Parish, LALA95,50529.5–

12St. Mary Parish, LALA46,55229.8–

13Iberia Parish, LALA66,84629.8–

14Madison Parish, LALA8,84429.9–

15Assumption Parish, LALA19,72029.9–

16Lafayette Parish, LALA257,94930.0–

17East Baton Rouge Parish, LALA456,18030.0–

18St. Charles Parish, LALA50,58630.1–

19Ouachita Parish, LALA158,54230.2–

20Livingston Parish, LALA155,03630.3–

21Tangipahoa Parish, LALA141,34630.3–

22West Baton Rouge Parish, LALA28,75630.6–

23Acadia Parish, LALA57,03230.6–

24Cameron Parish, LALA4,71830.7–

25Bossier Parish, LALA131,86730.7–

26East Feliciana Parish, LALA18,91130.8–

27Iberville Parish, LALA29,57930.9–

28St. Landry Parish, LALA80,76531.1–

29St. Helena Parish, LALA10,75831.1–

30Evangeline Parish, LALA31,98031.2–

31Rapides Parish, LALA125,87731.4–

32Vermilion Parish, LALA57,67131.6–

33Calcasieu Parish, LALA208,46631.7–

34Pointe Coupee Parish, LALA19,52031.7–

35Jefferson Davis Parish, LALA31,47131.7–

36Red River Parish, LALA7,16531.7–

37Orleans Parish, LALA362,15431.7–

38Beauregard Parish, LALA36,67331.8–

39Grant Parish, LALA22,07532.0–

40Richland Parish, LALA19,58232.3–

41De Soto Parish, LALA27,38132.3–

42Morehouse Parish, LALA23,70532.3–

43Catahoula Parish, LALA8,22332.3–

44Jefferson Parish, LALA431,39832.4–

45Concordia Parish, LALA17,83632.4–

46Franklin Parish, LALA19,00232.4–

47St. Tammany Parish, LALA279,10832.4–

48St. Bernard Parish, LALA45,64232.6–

49Allen Parish, LALA22,67232.7–

50Avoyelles Parish, LALA37,94132.7–

51Caddo Parish, LALA224,22632.7–

52Tensas Parish, LALA3,70032.9–

53West Feliciana Parish, LALA15,13433.4–

54Winn Parish, LALA14,96133.4–

55Washington Parish, LALA44,93733.4–

56Caldwell Parish, LALA9,34433.8–

57West Carroll Parish, LALA9,15634.3–

58Union Parish, LALA20,56134.4–

59Sabine Parish, LALA21,83434.5–

60Jackson Parish, LALA15,83434.5–

61Bienville Parish, LALA12,26934.6–

62LaSalle Parish, LALA15,15434.7–

63Webster Parish, LALA34,94834.9–

64Claiborne Parish, LALA13,35434.9–

SHOWING 1–64 OF 64

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