RANKING · 2010 CENSUS · 64 SHOWN OF 64

Oldest by median age, Louisiana counties · 2010

Louisiana counties ranked by median age of residents (2010 ACS). This list covers the 64 counties in Louisiana that qualify, ranked against each other statewide. The median across all 64 is 37.5.

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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

01Tensas Parish, LALA3,70042.5+14%

02West Feliciana Parish, LALA15,13441.9+14%

03Bienville Parish, LALA12,26941.8+10%

04Pointe Coupee Parish, LALA19,52041.4+13%

05East Feliciana Parish, LALA18,91141.1+15%

06Union Parish, LALA20,56141.0+10%

07Claiborne Parish, LALA13,35440.7+8%

08Sabine Parish, LALA21,83440.7+7%

09Webster Parish, LALA34,94840.3+6%

10Cameron Parish, LALA4,71839.9+14%

11De Soto Parish, LALA27,38139.7+9%

12Caldwell Parish, LALA9,34439.6+8%

13Jackson Parish, LALA15,83439.6+5%

14Winn Parish, LALA14,96139.5+9%

15St. Helena Parish, LALA10,75839.5+13%

16West Carroll Parish, LALA9,15639.4+6%

17St. Tammany Parish, LALA279,10839.3+8%

18Morehouse Parish, LALA23,70539.1+10%

19Assumption Parish, LALA19,72038.9+14%

20Catahoula Parish, LALA8,22338.8+6%

21Franklin Parish, LALA19,00238.8+8%

22Red River Parish, LALA7,16538.8+12%

23Washington Parish, LALA44,93738.7+7%

24Jefferson Parish, LALA431,39838.4+7%

25Avoyelles Parish, LALA37,94138.1+8%

26Iberville Parish, LALA29,57937.9+10%

27LaSalle Parish, LALA15,15437.9+4%

28St. James Parish, LALA18,93837.9+11%

29Concordia Parish, LALA17,83637.7+2%

30Jefferson Davis Parish, LALA31,47137.7+9%

31Richland Parish, LALA19,58237.6+5%

32St. Mary Parish, LALA46,55237.5+9%

33Allen Parish, LALA22,67237.4+7%

34Rapides Parish, LALA125,87736.9+4%

35Grant Parish, LALA22,07536.8+4%

36St. Landry Parish, LALA80,76536.8+6%

37Beauregard Parish, LALA36,67336.6+3%

38Lafourche Parish, LALA95,50536.5+7%

39St. Charles Parish, LALA50,58636.5+7%

40Caddo Parish, LALA224,22636.4+4%

41Vermilion Parish, LALA57,67136.4+4%

42Plaquemines Parish, LALA22,25636.3+8%

43St. Martin Parish, LALA51,10636.3+9%

44Calcasieu Parish, LALA208,46635.9+4%

45Evangeline Parish, LALA31,98035.9+7%

46West Baton Rouge Parish, LALA28,75635.8+5%

47Acadia Parish, LALA57,03235.7+6%

48Iberia Parish, LALA66,84635.6+7%

49St. John the Baptist Parish, LALA39,87535.5+11%

50Terrebonne Parish, LALA104,16335.0+6%

51Bossier Parish, LALA131,86734.7+3%

52Madison Parish, LALA8,84434.6+16%

53Orleans Parish, LALA362,15434.6+5%

54Livingston Parish, LALA155,03634.4+5%

55Ascension Parish, LALA135,10534.3+7%

56East Carroll Parish, LALA6,76034.3+11%

57Ouachita Parish, LALA158,54234.1+6%

58Tangipahoa Parish, LALA141,34633.6+4%

59Natchitoches Parish, LALA36,08933.3+10%

60Lafayette Parish, LALA257,94933.2+2%

61St. Bernard Parish, LALA45,64232.9−10%

62East Baton Rouge Parish, LALA456,18032.6+3%

63Vernon Parish, LALA45,09129.6+5%

64Lincoln Parish, LALA48,36027.8+5%

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