RANKING · 2020 CENSUS · 64 SHOWN OF 64

Youngest by median age, Louisiana counties · 2020

Louisiana counties with the youngest median age (2020 ACS). This list covers the 64 counties in Louisiana that qualify, ranked against each other statewide. The median across all 64 is 39.7.

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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, LALA48,36029.9+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 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS