RANKING · 1990 CENSUS · 64 SHOWN OF 64

Youngest by median age, Louisiana counties · 1990

Louisiana counties with the youngest median age (2023 ACS). This list covers the 64 counties in Louisiana that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDOldest by median age Most foreign-born residents Highest uninsured rate Most women Most men Highest disability rate

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Lincoln Parish, LALA48,36024.7−7%

02Vernon Parish, LALA45,09124.7−13%

03East Carroll Parish, LALA6,76028.0−9%

04St. John the Baptist Parish, LALA39,87528.9−10%

05Natchitoches Parish, LALA36,08929.0−4%

06Terrebonne Parish, LALA104,16329.2−11%

07St. James Parish, LALA18,93829.3−14%

08St. Martin Parish, LALA51,10629.4−12%

09Plaquemines Parish, LALA22,25629.4−13%

10Ascension Parish, LALA135,10529.5−8%

11Lafourche Parish, LALA95,50529.5−13%

12St. Mary Parish, LALA46,55229.8−13%

13Iberia Parish, LALA66,84629.8−10%

14Madison Parish, LALA8,84429.9+0%

15Assumption Parish, LALA19,72029.9−13%

16Lafayette Parish, LALA257,94930.0−8%

17East Baton Rouge Parish, LALA456,18030.0−5%

18St. Charles Parish, LALA50,58630.1−12%

19Ouachita Parish, LALA158,54230.2−7%

20Livingston Parish, LALA155,03630.3−8%

21Tangipahoa Parish, LALA141,34630.3−6%

22West Baton Rouge Parish, LALA28,75630.6−10%

23Acadia Parish, LALA57,03230.6−9%

24Cameron Parish, LALA4,71830.7−12%

25Bossier Parish, LALA131,86730.7−9%

26East Feliciana Parish, LALA18,91130.8−14%

27Iberville Parish, LALA29,57930.9−10%

28St. Landry Parish, LALA80,76531.1−10%

29St. Helena Parish, LALA10,75831.1−11%

30Evangeline Parish, LALA31,98031.2−7%

31Rapides Parish, LALA125,87731.4−11%

32Vermilion Parish, LALA57,67131.6−10%

33Calcasieu Parish, LALA208,46631.7−8%

34Pointe Coupee Parish, LALA19,52031.7−14%

35Jefferson Davis Parish, LALA31,47131.7−8%

36Red River Parish, LALA7,16531.7−8%

37Orleans Parish, LALA362,15431.7−4%

38Beauregard Parish, LALA36,67331.8−10%

39Grant Parish, LALA22,07532.0−10%

40Richland Parish, LALA19,58232.3−10%

41De Soto Parish, LALA27,38132.3−11%

42Morehouse Parish, LALA23,70532.3−9%

43Catahoula Parish, LALA8,22332.3−12%

44Jefferson Parish, LALA431,39832.4−10%

45Concordia Parish, LALA17,83632.4−12%

46Franklin Parish, LALA19,00232.4−10%

47St. Tammany Parish, LALA279,10832.4−11%

48St. Bernard Parish, LALA45,64232.6−11%

49Allen Parish, LALA22,67232.7−6%

50Avoyelles Parish, LALA37,94132.7−7%

51Caddo Parish, LALA224,22632.7−7%

52Tensas Parish, LALA3,70032.9−12%

53West Feliciana Parish, LALA15,13433.4−9%

54Winn Parish, LALA14,96133.4−8%

55Washington Parish, LALA44,93733.4−7%

56Caldwell Parish, LALA9,34433.8−8%

57West Carroll Parish, LALA9,15634.3−8%

58Union Parish, LALA20,56134.4−8%

59Sabine Parish, LALA21,83434.5−10%

60Jackson Parish, LALA15,83434.5−8%

61Bienville Parish, LALA12,26934.6−9%

62LaSalle Parish, LALA15,15434.7−5%

63Webster Parish, LALA34,94834.9−9%

64Claiborne Parish, LALA13,35434.9−7%

SHOWING 1–64 OF 64

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES