RANKING · 2000 CENSUS · 64 SHOWN OF 64

Youngest by median age, Louisiana counties · 2000

Louisiana counties with the youngest median age (2000 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

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 1990

01Lincoln Parish, LALA48,36026.5+7%

02Vernon Parish, LALA45,09128.3+14%

03Madison Parish, LALA8,84429.8−0%

04Natchitoches Parish, LALA36,08930.2+4%

05East Carroll Parish, LALA6,76030.9+10%

06East Baton Rouge Parish, LALA456,18031.5+5%

07Ascension Parish, LALA135,10532.0+8%

08St. John the Baptist Parish, LALA39,87532.0+11%

09Ouachita Parish, LALA158,54232.3+7%

10Tangipahoa Parish, LALA141,34632.3+7%

11Lafayette Parish, LALA257,94932.4+8%

12Livingston Parish, LALA155,03632.8+8%

13Terrebonne Parish, LALA104,16333.0+13%

14Orleans Parish, LALA362,15433.1+4%

15Iberia Parish, LALA66,84633.3+12%

16St. Martin Parish, LALA51,10633.4+14%

17Acadia Parish, LALA57,03233.7+10%

18Evangeline Parish, LALA31,98033.7+8%

19Plaquemines Parish, LALA22,25633.7+15%

20Bossier Parish, LALA131,86733.8+10%

21St. James Parish, LALA18,93834.0+16%

22West Baton Rouge Parish, LALA28,75634.0+11%

23Lafourche Parish, LALA95,50534.1+15%

24Assumption Parish, LALA19,72034.2+14%

25St. Charles Parish, LALA50,58634.2+14%

26St. Mary Parish, LALA46,55234.3+15%

27Iberville Parish, LALA29,57934.4+11%

28Calcasieu Parish, LALA208,46634.5+9%

29Jefferson Davis Parish, LALA31,47134.5+9%

30Red River Parish, LALA7,16534.6+9%

31St. Landry Parish, LALA80,76534.6+11%

32Allen Parish, LALA22,67234.8+7%

33Cameron Parish, LALA4,71835.0+14%

34St. Helena Parish, LALA10,75835.0+13%

35Caddo Parish, LALA224,22635.1+7%

36Vermilion Parish, LALA57,67135.1+11%

37Avoyelles Parish, LALA37,94135.2+8%

38Grant Parish, LALA22,07535.5+11%

39Rapides Parish, LALA125,87735.5+13%

40Beauregard Parish, LALA36,67335.5+12%

41Morehouse Parish, LALA23,70535.6+10%

42East Feliciana Parish, LALA18,91135.8+16%

43Richland Parish, LALA19,58235.8+11%

44Franklin Parish, LALA19,00235.9+11%

45Jefferson Parish, LALA431,39835.9+11%

46Washington Parish, LALA44,93736.1+8%

47Winn Parish, LALA14,96136.2+8%

48De Soto Parish, LALA27,38136.3+12%

49St. Tammany Parish, LALA279,10836.3+12%

50LaSalle Parish, LALA15,15436.4+5%

51West Feliciana Parish, LALA15,13436.6+10%

52St. Bernard Parish, LALA45,64236.6+12%

53Caldwell Parish, LALA9,34436.7+9%

54Catahoula Parish, LALA8,22336.7+13%

55Pointe Coupee Parish, LALA19,52036.7+16%

56Concordia Parish, LALA17,83636.9+14%

57West Carroll Parish, LALA9,15637.2+8%

58Tensas Parish, LALA3,70037.3+13%

59Union Parish, LALA20,56137.3+8%

60Jackson Parish, LALA15,83437.6+9%

61Claiborne Parish, LALA13,35437.7+8%

62Bienville Parish, LALA12,26938.0+10%

63Webster Parish, LALA34,94838.1+9%

64Sabine Parish, LALA21,83438.2+11%

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