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.

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 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS