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About this map

Residents per square mile of land (water excluded). Under 50 is rural, a few hundred is small-town, 2,500+ is urban, and 10,000+ is big-city dense.

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024).

U.S.
95/sq mi
Alabama
100/sq mi
Rankings
Full list

Top and bottom zip codes in Alabama

Zip codes with 1,000+ residents

Most densely populated zip codes

See all
  1. 136503Atmore29,471/sq mi
  2. 235254Birmingham17,147/sq mi
  3. 335487Tuscaloosa16,116/sq mi
  4. 435632Florence13,318/sq mi
  5. 535229Birmingham10,697/sq mi
  6. 636849Auburn University7,073/sq mi
  7. 735205Birmingham5,054/sq mi
  8. 835208Birmingham3,651/sq mi
  9. 936609Mobile3,555/sq mi
  10. 1035209Birmingham3,413/sq mi

Most sparsely populated zip codes

See all
  1. 136759Marion Junction6/sq mi
  2. 236524Coffeeville7/sq mi
  3. 335443Boligee7/sq mi
  4. 436053Midway8/sq mi
  5. 536912Lisman8/sq mi
  6. 635136Rockford8/sq mi
  7. 736480Uriah8/sq mi
  8. 836782Sweet Water9/sq mi
  9. 936860Hurtsboro10/sq mi
  10. 1036047Letohatchee10/sq mi

Population density by county in Alabama

  1. 1Jefferson County601/sq mi
  2. 2Madison County506/sq mi
  3. 3Mobile County336/sq mi
  4. 4Lee County298/sq mi
  5. 5Shelby County293/sq mi
  6. 6Montgomery County289/sq mi
  7. 7Morgan County215/sq mi
  8. 8Limestone County197/sq mi
  9. 9Etowah County193/sq mi
  10. 10Calhoun County192/sq mi
  11. 11Houston County187/sq mi
  12. 12Tuscaloosa County180/sq mi
  13. 13Marshall County176/sq mi
  14. 14Baldwin County155/sq mi
  15. 15St. Clair County149/sq mi
  16. 16Elmore County145/sq mi
  17. 17Lauderdale County144/sq mi
  18. 18Cullman County123/sq mi
  19. 19Talladega County110/sq mi
  20. 20Autauga County101/sq mi
  21. 21Colbert County98/sq mi
  22. 22DeKalb County93/sq mi
  23. 23Blount County92/sq mi
  24. 24Russell County92/sq mi
  25. 25Dale County88/sq mi
  26. 26Walker County82/sq mi
  27. 27Coffee County81/sq mi
  28. 28Chilton County66/sq mi
  29. 29Chambers County57/sq mi
  30. 30Tallapoosa County57/sq mi
  31. 31Franklin County50/sq mi
  32. 32Jackson County49/sq mi
  33. 33Pike County49/sq mi
  34. 34Lawrence County48/sq mi
  35. 35Geneva County47/sq mi
  36. 36Cherokee County46/sq mi
  37. 37Marion County39/sq mi
  38. 38Randolph County39/sq mi
  39. 39Escambia County39/sq mi
  40. 40Winston County39/sq mi
  41. 41Dallas County38/sq mi
  42. 42Covington County37/sq mi
  43. 43Bibb County36/sq mi
  44. 44Henry County31/sq mi
  45. 45Macon County31/sq mi
  46. 46Barbour County28/sq mi
  47. 47Cleburne County28/sq mi
  48. 48Fayette County26/sq mi
  49. 49Butler County24/sq mi
  50. 50Clay County24/sq mi
  51. 51Hale County23/sq mi
  52. 52Lamar County23/sq mi
  53. 53Crenshaw County22/sq mi
  54. 54Pickens County21/sq mi
  55. 55Marengo County19/sq mi
  56. 56Monroe County19/sq mi
  57. 57Clarke County18/sq mi
  58. 58Bullock County16/sq mi
  59. 59Coosa County16/sq mi
  60. 60Washington County14/sq mi
  61. 61Lowndes County14/sq mi
  62. 62Choctaw County14/sq mi
  63. 63Conecuh County13/sq mi
  64. 64Sumter County13/sq mi
  65. 65Greene County12/sq mi
  66. 66Wilcox County12/sq mi
  67. 67Perry County11/sq mi

Questions about this map

Which zip code has the highest population density in Alabama?

Among zip codes with at least 1,000 residents, 36503 (Atmore, AL) has the highest: 29,471/sq mi.

Which zip code has the lowest population density in Alabama?

36759 (Marion Junction, AL) has the lowest: 6/sq mi.

What is the population density for the United States?

95/sq mi; in Alabama it is 100/sq mi.

Where does this data come from?

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024). Residents per square mile of land (water excluded). Under 50 is rural, a few hundred is small-town, 2,500+ is urban, and 10,000+ is big-city dense.

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