RANKING · 2010 CENSUS · 64 SHOWN OF 64

Youngest by median age, Louisiana counties · 2010

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

Flip the list · Oldest by median age, US counties →

LouisianaAll states All rankings

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, LALA48,36027.8+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%

SHOWING 1–64 OF 64

Download CSV (full list, 64 rows)

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