ZipCodeLook
Loading 33,000 zip codes…

About this map

Everyone who lives in the zip code, from the Census Bureau's American Community Survey (5-year average).

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

U.S.
334,922,499
Ohio
11,810,293
Rankings
Full list

Top and bottom zip codes in Ohio

Zip codes with 1,000+ residents

Most populated zip codes

See all
  1. 145011Hamilton75,864
  2. 243123Grove City67,626
  3. 343026Hilliard65,238
  4. 443081Westerville65,020
  5. 544256Medina64,924
  6. 643055Newark63,281
  7. 743130Lancaster62,933
  8. 844035Elyria62,179
  9. 943015Delaware61,401
  10. 1044060Mentor60,779

Least populated zip codes

See all
  1. 145849Grover Hill1,002
  2. 243932Irondale1,008
  3. 343535Malinta1,011
  4. 443930Hammondsville1,017
  5. 544308Akron1,030
  6. 645678Scottown1,034
  7. 745745Lower Salem1,049
  8. 845685Thurman1,050
  9. 944826Collins1,052
  10. 1045339Ludlow Falls1,057

Population by county in Ohio

  1. 1Franklin County1,333,048
  2. 2Cuyahoga County1,245,873
  3. 3Hamilton County830,774
  4. 4Summit County537,864
  5. 5Montgomery County536,096
  6. 6Lucas County428,018
  7. 7Butler County392,876
  8. 8Stark County373,713
  9. 9Lorain County317,129
  10. 10Warren County250,008
  11. 11Lake County232,216
  12. 12Delaware County226,834
  13. 13Mahoning County226,491
  14. 14Clermont County211,181
  15. 15Trumbull County200,929
  16. 16Medina County183,660
  17. 17Licking County181,837
  18. 18Greene County169,688
  19. 19Fairfield County163,453
  20. 20Portage County161,956
  21. 21Clark County135,158
  22. 22Wood County132,064
  23. 23Richland County125,099
  24. 24Wayne County116,588
  25. 25Miami County110,296
  26. 26Allen County101,348
  27. 27Columbiana County100,704
  28. 28Ashtabula County97,167
  29. 29Geauga County95,481
  30. 30Tuscarawas County92,385
  31. 31Muskingum County86,411
  32. 32Ross County76,492
  33. 33Hancock County74,866
  34. 34Erie County74,581
  35. 35Scioto County72,627
  36. 36Union County67,324
  37. 37Belmont County65,473
  38. 38Marion County65,020
  39. 39Jefferson County64,518
  40. 40Knox County63,142
  41. 41Athens County61,737
  42. 42Pickaway County60,131
  43. 43Washington County58,978
  44. 44Sandusky County58,778
  45. 45Huron County58,319
  46. 46Lawrence County56,819
  47. 47Seneca County54,770
  48. 48Ashland County52,256
  49. 49Darke County51,594
  50. 50Shelby County47,929
  51. 51Auglaize County46,125
  52. 52Logan County46,089
  53. 53Madison County44,423
  54. 54Holmes County44,418
  55. 55Brown County43,845
  56. 56Highland County43,517
  57. 57Mercer County42,484
  58. 58Fulton County42,240
  59. 59Clinton County42,012
  60. 60Crawford County41,711
  61. 61Preble County40,765
  62. 62Ottawa County39,994
  63. 63Champaign County38,804
  64. 64Defiance County38,343
  65. 65Guernsey County38,223
  66. 66Coshocton County36,744
  67. 67Williams County36,719
  68. 68Perry County35,535
  69. 69Morrow County35,404
  70. 70Putnam County34,314
  71. 71Jackson County32,650
  72. 72Hardin County30,475
  73. 73Gallia County29,068
  74. 74Fayette County28,876
  75. 75Van Wert County28,826
  76. 76Hocking County27,799
  77. 77Henry County27,567
  78. 78Adams County27,540
  79. 79Pike County27,044
  80. 80Carroll County26,659
  81. 81Meigs County21,896
  82. 82Wyandot County21,598
  83. 83Paulding County18,791
  84. 84Harrison County14,306
  85. 85Noble County14,282
  86. 86Morgan County13,651
  87. 87Monroe County13,227
  88. 88Vinton County12,630

Questions about this map

Which zip code has the highest population in Ohio?

Among zip codes with at least 1,000 residents, 45011 (Hamilton, OH) has the highest: 75,864.

Which zip code has the lowest population in Ohio?

45849 (Grover Hill, OH) has the lowest: 1,002.

What is the population for the United States?

334,922,499; in Ohio it is 11,810,293.

Where does this data come from?

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024). Everyone who lives in the zip code, from the Census Bureau's American Community Survey (5-year average).

More maps