Local Data Search
A total of 88 results found. Show Results on Map.
| Rank | Water Area ▼ | County / Population |
| 1. | 788.40 sq mi | Cuyahoga, OH / 1,267,513 |
| 2. | 751.70 sq mi | Lake, OH / 229,602 |
| 3. | 665.97 sq mi | Ashtabula, OH / 100,346 |
| 4. | 432.23 sq mi | Lorain, OH / 302,465 |
| 5. | 374.43 sq mi | Erie, OH / 76,416 |
| 6. | 330.15 sq mi | Ottawa, OH / 41,304 |
| 7. | 255.02 sq mi | Lucas, OH / 438,167 |
| 8. | 18.27 sq mi | Trumbull, OH / 207,596 |
| 9. | 16.68 sq mi | Portage, OH / 161,553 |
| 10. | 14.23 sq mi | Delaware, OH / 181,821 |
| 11. | 13.66 sq mi | Mahoning, OH / 235,809 |
| 12. | 11.32 sq mi | Franklin, OH / 1,197,592 |
| 13. | 10.98 sq mi | Mercer, OH / 40,789 |
| 14. | 9.25 sq mi | Sandusky, OH / 60,498 |
| 15. | 9.15 sq mi | Belmont, OH / 69,793 |
| 16. | 8.43 sq mi | Harrison, OH / 15,698 |
| 17. | 8.34 sq mi | Logan, OH / 45,564 |
| 18. | 8.13 sq mi | Geauga, OH / 93,819 |
| 19. | 8.03 sq mi | Washington, OH / 61,473 |
| 20. | 8.00 sq mi | Muskingum, OH / 85,947 |
| 21. | 7.67 sq mi | Clermont, OH / 199,450 |
| 22. | 7.31 sq mi | Summit, OH / 541,464 |
| 23. | 6.72 sq mi | Hamilton, OH / 803,272 |
| 24. | 6.56 sq mi | Noble, OH / 14,561 |
| 25. | 6.05 sq mi | Guernsey, OH / 39,794 |
| 26. | 6.00 sq mi | Warren, OH / 217,623 |
| 27. | 5.93 sq mi | Scioto, OH / 78,520 |
| 28. | 5.36 sq mi | Morgan, OH / 14,977 |
| 29. | 5.26 sq mi | Stark, OH / 375,090 |
| 30. | 5.23 sq mi | Pickaway, OH / 56,279 |
| 31. | 5.14 sq mi | Union, OH / 53,090 |
| 32. | 5.05 sq mi | Clark, OH / 137,303 |
| 33. | 4.99 sq mi | Licking, OH / 167,911 |
| 34. | 4.84 sq mi | Athens, OH / 64,840 |
| 35. | 4.81 sq mi | Richland, OH / 122,813 |
| 36. | 4.71 sq mi | Highland, OH / 43,266 |
| 37. | 4.67 sq mi | Gallia, OH / 30,763 |
| 38. | 4.52 sq mi | Perry, OH / 36,000 |
| 39. | 4.35 sq mi | Allen, OH / 105,562 |
| 40. | 4.32 sq mi | Carroll, OH / 28,539 |
| 41. | 4.15 sq mi | Fairfield, OH / 148,067 |
| 42. | 4.14 sq mi | Knox, OH / 61,063 |
| 43. | 3.90 sq mi | Lawrence, OH / 62,100 |
| 44. | 3.85 sq mi | Ashland, OH / 53,202 |
| 45. | 3.84 sq mi | Ross, OH / 77,552 |
| 46. | 3.82 sq mi | Tuscarawas, OH / 92,616 |
| 47. | 3.74 sq mi | Henry, OH / 28,074 |
| 48. | 3.69 sq mi | Pike, OH / 28,504 |
| 49. | 3.61 sq mi | Clinton, OH / 41,871 |
| 50. | 3.57 sq mi | Coshocton, OH / 36,768 |
| 51. | 3.44 sq mi | Brown, OH / 44,464 |
| 52. | 3.33 sq mi | Huron, OH / 59,186 |
| 53. | 3.29 sq mi | Wood, OH / 128,139 |
| 54. | 3.08 sq mi | Butler, OH / 371,154 |
| 55. | 3.08 sq mi | Miami, OH / 103,145 |
| 56. | 3.02 sq mi | Shelby, OH / 49,165 |
| 57. | 2.90 sq mi | Meigs, OH / 23,564 |
| 58. | 2.80 sq mi | Columbiana, OH / 106,622 |
| 59. | 2.78 sq mi | Montgomery, OH / 534,801 |
| 60. | 2.73 sq mi | Defiance, OH / 38,795 |
| 61. | 2.62 sq mi | Jefferson, OH / 68,510 |
| 62. | 2.62 sq mi | Vinton, OH / 13,319 |
| 63. | 2.53 sq mi | Greene, OH / 163,313 |
| 64. | 2.41 sq mi | Paulding, OH / 19,293 |
| 65. | 2.38 sq mi | Adams, OH / 28,342 |
| 66. | 2.34 sq mi | Preble, OH / 41,887 |
| 67. | 2.30 sq mi | Hocking, OH / 29,111 |
| 68. | 2.30 sq mi | Hancock, OH / 75,290 |
| 69. | 2.13 sq mi | Williams, OH / 37,493 |
| 70. | 1.89 sq mi | Wayne, OH / 114,978 |
| 71. | 1.78 sq mi | Fulton, OH / 42,541 |
| 72. | 1.78 sq mi | Putnam, OH / 34,256 |
| 73. | 1.78 sq mi | Seneca, OH / 56,100 |
| 74. | 1.74 sq mi | Monroe, OH / 14,590 |
| 75. | 1.66 sq mi | Medina, OH / 174,091 |
| 76. | 1.66 sq mi | Darke, OH / 52,537 |
| 77. | 1.45 sq mi | Holmes, OH / 43,176 |
| 78. | 1.27 sq mi | Van Wert, OH / 28,612 |
| 79. | 1.23 sq mi | Jackson, OH / 32,952 |
| 80. | 1.16 sq mi | Champaign, OH / 39,628 |
| 81. | 1.14 sq mi | Morrow, OH / 34,991 |
| 82. | 0.91 sq mi | Crawford, OH / 43,036 |
| 83. | 0.75 sq mi | Madison, OH / 43,326 |
| 84. | 0.69 sq mi | Wyandot, OH / 22,535 |
| 85. | 0.66 sq mi | Fayette, OH / 28,875 |
| 86. | 0.52 sq mi | Auglaize, OH / 45,867 |
| 87. | 0.35 sq mi | Marion, OH / 66,171 |
| 88. | 0.24 sq mi | Hardin, OH / 31,826 |
Please note that we only rank locations with 'Water Area' data. The rank above might not be a complete list. Locations without 'Water Area' data are not listed.