RANKING · 2020 CENSUS · 64 SHOWN OF 64

Oldest by median age, Louisiana counties · 2020

Louisiana counties ranked by median age of residents (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.

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

LouisianaAll states All rankings

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

01Tensas Parish, LALA3,70047.6+28%

02East Feliciana Parish, LALA18,91145.9+28%

03Claiborne Parish, LALA13,35445.0+19%

04Union Parish, LALA20,56144.9+20%

05West Feliciana Parish, LALA15,13444.9+23%

06West Carroll Parish, LALA9,15644.2+19%

07Pointe Coupee Parish, LALA19,52044.2+20%

08Bienville Parish, LALA12,26943.9+16%

09Sabine Parish, LALA21,83443.4+14%

10Webster Parish, LALA34,94843.3+14%

11Assumption Parish, LALA19,72042.9+25%

12Morehouse Parish, LALA23,70542.8+20%

13Jackson Parish, LALA15,83442.6+13%

14Cameron Parish, LALA4,71842.4+21%

15St. Helena Parish, LALA10,75842.3+21%

16Iberville Parish, LALA29,57941.7+21%

17Catahoula Parish, LALA8,22341.3+13%

18De Soto Parish, LALA27,38141.3+14%

19Washington Parish, LALA44,93741.3+14%

20Caldwell Parish, LALA9,34441.2+12%

21St. Tammany Parish, LALA279,10841.1+13%

22St. James Parish, LALA18,93840.8+20%

23Avoyelles Parish, LALA37,94140.5+15%

24Red River Parish, LALA7,16540.5+17%

25Franklin Parish, LALA19,00240.4+13%

26Richland Parish, LALA19,58240.4+13%

27St. Martin Parish, LALA51,10640.2+20%

28St. Mary Parish, LALA46,55240.2+17%

29Concordia Parish, LALA17,83640.1+9%

30Winn Parish, LALA14,96140.1+11%

31Jefferson Parish, LALA431,39839.8+11%

32St. John the Baptist Parish, LALA39,87539.7+24%

33Allen Parish, LALA22,67239.6+14%

34St. Landry Parish, LALA80,76539.6+14%

35Caddo Parish, LALA224,22639.4+12%

36Evangeline Parish, LALA31,98039.4+17%

37Grant Parish, LALA22,07539.4+11%

38Iberia Parish, LALA66,84639.3+18%

39Rapides Parish, LALA125,87739.3+11%

40Vermilion Parish, LALA57,67139.3+12%

41Acadia Parish, LALA57,03239.1+16%

42Beauregard Parish, LALA36,67339.0+10%

43St. Charles Parish, LALA50,58639.0+14%

44Jefferson Davis Parish, LALA31,47138.9+13%

45Lafourche Parish, LALA95,50538.4+13%

46LaSalle Parish, LALA15,15438.1+5%

47Madison Parish, LALA8,84438.1+28%

48Terrebonne Parish, LALA104,16338.1+15%

49West Baton Rouge Parish, LALA28,75637.4+10%

50Natchitoches Parish, LALA36,08937.3+24%

51Calcasieu Parish, LALA208,46637.0+7%

52Plaquemines Parish, LALA22,25636.8+9%

53Tangipahoa Parish, LALA141,34636.6+13%

54Livingston Parish, LALA155,03636.6+12%

55Lafayette Parish, LALA257,94936.4+12%

56Ouachita Parish, LALA158,54236.4+13%

57Ascension Parish, LALA135,10536.2+13%

58Bossier Parish, LALA131,86736.2+7%

59Orleans Parish, LALA362,15436.2+9%

60East Carroll Parish, LALA6,76036.0+17%

61East Baton Rouge Parish, LALA456,18035.2+12%

62St. Bernard Parish, LALA45,64235.0−4%

63Vernon Parish, LALA45,09132.8+16%

64Lincoln Parish, LALA48,36029.9+13%

SHOWING 1–64 OF 64

Download CSV (full list, 64 rows)

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