RANKING · 2020 CENSUS · 64 SHOWN OF 64

Youngest by median age, Louisiana counties · 2020

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, LALA48,36029.9+13%

02Vernon Parish, LALA45,09132.8+16%

03St. Bernard Parish, LALA45,64235.0−4%

04East Baton Rouge Parish, LALA456,18035.2+12%

05East Carroll Parish, LALA6,76036.0+17%

06Ascension Parish, LALA135,10536.2+13%

07Bossier Parish, LALA131,86736.2+7%

08Orleans Parish, LALA362,15436.2+9%

09Lafayette Parish, LALA257,94936.4+12%

10Ouachita Parish, LALA158,54236.4+13%

11Tangipahoa Parish, LALA141,34636.6+13%

12Livingston Parish, LALA155,03636.6+12%

13Plaquemines Parish, LALA22,25636.8+9%

14Calcasieu Parish, LALA208,46637.0+7%

15Natchitoches Parish, LALA36,08937.3+24%

16West Baton Rouge Parish, LALA28,75637.4+10%

17LaSalle Parish, LALA15,15438.1+5%

18Madison Parish, LALA8,84438.1+28%

19Terrebonne Parish, LALA104,16338.1+15%

20Lafourche Parish, LALA95,50538.4+13%

21Jefferson Davis Parish, LALA31,47138.9+13%

22Beauregard Parish, LALA36,67339.0+10%

23St. Charles Parish, LALA50,58639.0+14%

24Acadia Parish, LALA57,03239.1+16%

25Iberia Parish, LALA66,84639.3+18%

26Rapides Parish, LALA125,87739.3+11%

27Vermilion Parish, LALA57,67139.3+12%

28Caddo Parish, LALA224,22639.4+12%

29Evangeline Parish, LALA31,98039.4+17%

30Grant Parish, LALA22,07539.4+11%

31Allen Parish, LALA22,67239.6+14%

32St. Landry Parish, LALA80,76539.6+14%

33St. John the Baptist Parish, LALA39,87539.7+24%

34Jefferson Parish, LALA431,39839.8+11%

35Concordia Parish, LALA17,83640.1+9%

36Winn Parish, LALA14,96140.1+11%

37St. Martin Parish, LALA51,10640.2+20%

38St. Mary Parish, LALA46,55240.2+17%

39Franklin Parish, LALA19,00240.4+13%

40Richland Parish, LALA19,58240.4+13%

41Avoyelles Parish, LALA37,94140.5+15%

42Red River Parish, LALA7,16540.5+17%

43St. James Parish, LALA18,93840.8+20%

44St. Tammany Parish, LALA279,10841.1+13%

45Caldwell Parish, LALA9,34441.2+12%

46Catahoula Parish, LALA8,22341.3+13%

47De Soto Parish, LALA27,38141.3+14%

48Washington Parish, LALA44,93741.3+14%

49Iberville Parish, LALA29,57941.7+21%

50St. Helena Parish, LALA10,75842.3+21%

51Cameron Parish, LALA4,71842.4+21%

52Jackson Parish, LALA15,83442.6+13%

53Morehouse Parish, LALA23,70542.8+20%

54Assumption Parish, LALA19,72042.9+25%

55Webster Parish, LALA34,94843.3+14%

56Sabine Parish, LALA21,83443.4+14%

57Bienville Parish, LALA12,26943.9+16%

58West Carroll Parish, LALA9,15644.2+19%

59Pointe Coupee Parish, LALA19,52044.2+20%

60Union Parish, LALA20,56144.9+20%

61West Feliciana Parish, LALA15,13444.9+23%

62Claiborne Parish, LALA13,35445.0+19%

63East Feliciana Parish, LALA18,91145.9+28%

64Tensas Parish, LALA3,70047.6+28%

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