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.

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