RANKING · 2010 CENSUS · 64 SHOWN OF 64

Youngest by median age, Louisiana counties · 2010

Louisiana counties with the youngest median age (2010 ACS). This list covers the 64 counties in Louisiana that qualify, ranked against each other statewide. The median across all 64 is 37.5.

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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 2000

01Lincoln Parish, LALA48,36027.8+5%

02Vernon Parish, LALA45,09129.6+5%

03East Baton Rouge Parish, LALA456,18032.6+3%

04St. Bernard Parish, LALA45,64232.9−10%

05Lafayette Parish, LALA257,94933.2+2%

06Natchitoches Parish, LALA36,08933.3+10%

07Tangipahoa Parish, LALA141,34633.6+4%

08Ouachita Parish, LALA158,54234.1+6%

09Ascension Parish, LALA135,10534.3+7%

10East Carroll Parish, LALA6,76034.3+11%

11Livingston Parish, LALA155,03634.4+5%

12Madison Parish, LALA8,84434.6+16%

13Orleans Parish, LALA362,15434.6+5%

14Bossier Parish, LALA131,86734.7+3%

15Terrebonne Parish, LALA104,16335.0+6%

16St. John the Baptist Parish, LALA39,87535.5+11%

17Iberia Parish, LALA66,84635.6+7%

18Acadia Parish, LALA57,03235.7+6%

19West Baton Rouge Parish, LALA28,75635.8+5%

20Calcasieu Parish, LALA208,46635.9+4%

21Evangeline Parish, LALA31,98035.9+7%

22Plaquemines Parish, LALA22,25636.3+8%

23St. Martin Parish, LALA51,10636.3+9%

24Caddo Parish, LALA224,22636.4+4%

25Vermilion Parish, LALA57,67136.4+4%

26Lafourche Parish, LALA95,50536.5+7%

27St. Charles Parish, LALA50,58636.5+7%

28Beauregard Parish, LALA36,67336.6+3%

29Grant Parish, LALA22,07536.8+4%

30St. Landry Parish, LALA80,76536.8+6%

31Rapides Parish, LALA125,87736.9+4%

32Allen Parish, LALA22,67237.4+7%

33St. Mary Parish, LALA46,55237.5+9%

34Richland Parish, LALA19,58237.6+5%

35Concordia Parish, LALA17,83637.7+2%

36Jefferson Davis Parish, LALA31,47137.7+9%

37Iberville Parish, LALA29,57937.9+10%

38LaSalle Parish, LALA15,15437.9+4%

39St. James Parish, LALA18,93837.9+11%

40Avoyelles Parish, LALA37,94138.1+8%

41Jefferson Parish, LALA431,39838.4+7%

42Washington Parish, LALA44,93738.7+7%

43Catahoula Parish, LALA8,22338.8+6%

44Franklin Parish, LALA19,00238.8+8%

45Red River Parish, LALA7,16538.8+12%

46Assumption Parish, LALA19,72038.9+14%

47Morehouse Parish, LALA23,70539.1+10%

48St. Tammany Parish, LALA279,10839.3+8%

49West Carroll Parish, LALA9,15639.4+6%

50Winn Parish, LALA14,96139.5+9%

51St. Helena Parish, LALA10,75839.5+13%

52Caldwell Parish, LALA9,34439.6+8%

53Jackson Parish, LALA15,83439.6+5%

54De Soto Parish, LALA27,38139.7+9%

55Cameron Parish, LALA4,71839.9+14%

56Webster Parish, LALA34,94840.3+6%

57Claiborne Parish, LALA13,35440.7+8%

58Sabine Parish, LALA21,83440.7+7%

59Union Parish, LALA20,56141.0+10%

60East Feliciana Parish, LALA18,91141.1+15%

61Pointe Coupee Parish, LALA19,52041.4+13%

62Bienville Parish, LALA12,26941.8+10%

63West Feliciana Parish, LALA15,13441.9+14%

64Tensas Parish, LALA3,70042.5+14%

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