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. The median across all 64 is 35.0.

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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, LALA8,84429.80%

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