The US Census has begun releasing 2019 population data, which will be the final data before we get the official, decennial census statistics for 2020. With Covid-19 ravaging the world and United States at the moment, it remains to be seen what effects it might have on the census counts, or if the official census may even end up delayed. While we wait for those issues to resolve, here are the 2019 Ohio county population estimates.

Total Ranked Population of Ohio’s Counties by Year
Census 2010—————————-July 1, 2018————————July 1, 2019
1. Cuyahoga: 1,280,122——–1. Franklin: 1,307,698———–1. Franklin: 1,316,756
2. Franklin: 1,163,414———–2. Cuyahoga: 1,241,718——–2. Cuyahoga: 1,235,072
3. Hamilton: 802,374————3. Hamilton: 815,445————-3. Hamilton: 817,473
4. Summit: 541,781————–4. Summit: 541,353————–4. Summit: 541,013
5. Montgomery: 535,153——-5. Montgomery: 531,600——–5. Montgomery: 531,687
6. Lucas: 441,815 —————6. Lucas: 429,612—————-6. Lucas: 428,348
7. Stark: 375,586—————–7. Butler: 382,000—————-7. Butler: 383,134
8. Butler: 368,130—————-8. Stark: 371,248—————–8. Stark: 370,606
9. Lorain: 301,356—————9. Lorain: 309,052—————-9. Lorain: 309,833
10. Mahoning: 238,823——–10. Warren: 231,945————-10. Warren: 234,602
11. Lake: 230,041—————11. Lake: 230,102—————–11. Lake: 230,149
12. Warren: 212,693————12. Mahoning: 229,216———12. Mahoning: 228,683
13. Trumbull: 210,312———-13. Clermont: 205,526———–13. Delaware: 209,177
14. Clermont: 197,363———-14. Delaware: 205,091———-14. Clermont: 206,428
15. Delaware: 174,214———15. Trumbull: 198,539————15. Trumbull: 197,974
16. Medina: 172,332————16. Medina: 178,978————–16. Medina: 179,746
17. Licking: 166,492————-17. Licking: 175,666————–17. Licking: 176,862
18. Greene: 161,573————18. Greene: 167,446————–18. Greene: 168,937
19. Portage: 161,419————19. Portage: 162,502————-19. Portage: 162,466
20. Fairfield: 146,156————20. Fairfield: 155,982————-20. Fairfield: 157,574
21. Clark: 138,333—————-21. Clark: 134,528—————-21. Clark: 134,083
22. Wood: 125,488—————22. Wood: 130,441—————-22. Wood: 130,817
23. Richland: 124,475———–23. Richland: 120,987————23. Richland: 121,154
24. Wayne: 114,520————-24. Wayne: 115,790—————-24. Wayne: 115,710
25. Columbiana: 107,841——25. Miami: 106,042—————–25. Miami: 106,987
26. Allen: 106,331—————26. Allen: 102,725——————26. Allen: 102,351
27. Miami: 102,506————–27. Columbiana: 102,473———27. Columbiana: 101,883
28. Ashtabula: 101,497———28. Ashtabula: 97,587————-28. Ashtabula: 97,241
29. Geauga: 93,389————-29. Geauga: 93,945—————-29. Geauga: 93,649
30. Tuscarawas: 92,582——–30. Tuscarawas: 92,079———-30. Tuscarawas: 91,987
31. Muskingum: 86,074———31. Muskingum: 86,131———–31. Muskingum: 86,215
32. Scioto: 79,499—————-32. Ross: 76,884——————-32. Ross: 76,666
33. Ross: 78,064——————33. Hancock: 75,920————–33. Hancock: 75,783
34. Erie: 77,079——————-34. Scioto: 75,480——————34. Scioto: 75,314
35. Hancock: 74,782————-35. Erie: 74,513———————35. Erie: 74,266
36. Belmont: 70,400————–36. Belmont: 67,533—————36. Belmont: 67,006
37. Jefferson: 69,709————37. Jefferson: 65,774—————37. Athens: 65,327
38. Marion: 66,501—————-38. Athens: 65,519—————–38. Jefferson: 65,325
39. Athens: 64,757—————-39. Marion: 65,427—————–39. Marion: 65,093
40. Lawrence: 62,450————-40. Knox: 61,900——————-40. Knox: 62,322
41. Washington: 61,778———-41. Washington: 60,111———–41. Washington: 59,911
42. Sandusky: 60,944————-42. Lawrence: 59,767————-42. Lawrence: 59,463
43. Knox: 60,921——————–43. Sandusky: 58,740————-43. Union: 58,988
44. Huron: 59,626——————-44. Huron: 58,364——————44. Sandusky: 58,518
45. Seneca: 56,745—————–45. Pickaway: 58,077————-45. Pickaway: 58,457
46. Pickaway: 55,698—————46. Union: 57,782——————46. Huron: 58,266
47. Ashland: 53,139—————–47. Seneca: 55,194—————-47. Seneca: 55,178
48. Darke: 53,139——————–48. Ashland: 53,706—————48. Ashland: 53,484
49. Union: 52,300——————–49. Darke: 51,299——————49. Darke: 51,113
50. Shelby: 49,423——————-50. Shelby: 48,622—————-50. Shelby: 48,590
51. Auglaize: 45,949—————–51. Auglaize: 45,736————-51. Logan: 45,672
52. Logan: 45,858——————–52. Logan: 45,332—————-52. Auglaize: 45,656
53. Brown: 44,846——————–53. Madison: 44,389————-53. Madison: 44,731
54. Crawford: 43,784—————-54. Holmes: 43,919—————54. Holmes: 43,960
55. Highland: 43,589—————-55. Brown: 43,570—————–55. Brown: 43,432
56. Madison: 43,435—————–56. Highland: 43,052————-56. Highland: 43,161
57. Fulton: 42,698——————–57. Fulton: 42,267—————–57. Fulton: 42,126
58. Holmes 42,366——————-58. Clinton: 42,085—————-58. Clinton: 41,968
59. Preble: 42,270——————–59. Crawford: 41,484————-59. Crawford: 41,494
60. Clinton: 42,040——————-60. Preble: 41,011—————–60. Mercer: 41,172
61. Ottawa: 41,428——————-61. Mercer: 40,952—————-61. Preble: 40,882
62. Mercer: 40,814——————-62. Ottawa: 40,769—————-62. Ottawa: 40,525
63. Champaign: 40,097————-63. Guernsey: 39,011————63. Champaign: 38,885
64. Guernsey: 40,087—————64. Champaign: 38,785———-64. Guernsey: 38,875
65. Defiance: 39,037—————-65. Defiance: 38,089————–65. Defiance: 38,087
66. Williams: 37,642—————–66. Williams: 36,739————–66. Williams: 36,692
67. Coshocton: 36,901————-67. Coshocton: 36,596———–67. Coshocton: 36,600
68. Perry: 36,058———————68. Perry: 36,039——————68. Perry: 36,134
69. Morrow: 34,827——————69. Morrow: 35,113—————-69. Morrow: 35,328
70. Putnam: 34,499——————70. Putnam: 33,802—————70. Putnam: 33,861
71. Jackson: 33,225——————71. Jackson: 32,366————–71. Jackson: 32,413
72. Hardin: 32,058——————–72. Hardin: 31,418—————-72. Hardin: 31,365
73. Gallia: 30.934———————73. Gallia: 29,945—————–73. Gallia: 29,898
74. Hocking: 29,380——————74. Fayette: 28,653—————74. Fayette: 28,525
75. Fayette: 29,030——————-75. Hocking: 28,357————–75. Van Wert: 28,275
76. Carroll: 28,836——————–76. Van Wert: 28,253————-76. Hocking: 28,264
77. Van Wert: 28,744—————–77. Pike: 27,932——————-77. Pike: 27,772
78. Pike: 28,709———————–78. Adams: 27,694—————-78. Adams: 27,698
79. Adams: 28,550——————-79. Henry: 27,092——————79. Henry: 27,006
80. Henry: 28,215———————80. Carroll: 27,082—————–80. Carroll: 26,914
81. Meigs: 23,770———————81. Meigs: 23,064—————–81. Meigs: 22,907
82. Wyandot: 22,615—————–82. Wyandot: 21,918————–82. Wyandot: 21,772
83. Paulding: 19,614—————–83. Paulding: 18,742————–83. Paulding: 18,672
84. Harrison: 15,864—————–84. Harrison: 15,167—————84. Harrison: 15,040
85. Morgan: 15,054——————85. Morgan: 14,581—————-85. Morgan: 14,508
86. Noble: 14,645———————86. Noble: 14,347——————86. Noble: 14,424
87. Monroe: 14,642——————-87. Monroe: 13,787—————87. Monroe: 13,654
88. Vinton: 13,435———————88. Vinton: 13,145—————-88. Vinton: 13,085

And here are the Top 25 Fastest Growing Counties by Total Growth by Time Period
Census 2010-July 1, 2019————————–July 1, 2018-July 1, 2019
1. Franklin: 153,342————————————1. Franklin: 9,058
2. Delaware: 34,963————————————2. Delaware: 4,086
3. Warren: 21,909—————————————3. Warren: 2,657
4. Hamilton: 15,099————————————-4. Hamilton: 2,028
5. Butler: 15,004—————————————–5. Fairfield: 1,592
6. Fairfield: 11,418————————————–6. Greene: 1,491
7. Licking: 10,370—————————————7. Union: 1,206
8. Clermont: 9,065————————————–8. Licking: 1,196
9. Lorain: 8,477——————————————9. Butler: 1,134
10. Medina: 7,414————————————–10. Miami: 945
11. Greene: 7,364————————————–11. Clermont: 902
12. Union: 6,688—————————————-12. Lorain: 781
13. Wood: 5,329—————————————-13. Medina: 768
14. Miami: 4,481—————————————-14. Knox: 422
15. Pickaway: 2,759———————————–15. Pickaway: 380
16. Holmes: 1,594————————————–16. Wood: 376
17. Knox: 1,401——————————————17. Madison: 342
18. Madison: 1,296————————————–18. Logan: 340
19. Wayne: 1,190—————————————-19. Mercer: 220
20. Portage: 1,047—————————————20. Morrow: 215
21. Hancock: 1,001————————————–21. Richland: 167
22. Athens: 570——————————————22. Highland: 109
23. Morrow: 501——————————————23. Champaign: 100
24. Mercer: 358——————————————24. Perry: 95
25. Ashland: 345—————————————–25. Montgomery: 87

Top 25 Slowest Growing Counties by Total Growth by Time Period
Census 2010-July 1, 2019——————————-July 1, 2018-July 1, 2019
1. Cuyahoga: -45,050————————————1. Cuyahoga: -6,646
2. Lucas: -13,467——————————————2. Lucas: -1,264
3. Trumbull: -12,338—————————————3. Stark: -642
4. Mahoning: -10,140————————————-4. Columbiana: -590
5. Columbiana: -5,958————————————5. Trumbull: -565
6. Stark: -4,980———————————————6. Mahoning: -533
7. Jefferson: -4,384—————————————-7. Belmont: -527
8. Ashtabula: -4,256—————————————8. Jefferson: -449
9. Clark: -4,250———————————————9. Clark: -445
10. Scioto: -4,185——————————————10. Allen: -374
11. Allen: -3,980——————————————–11. Ashtabula: -346
12. Montgomery: -3,466———————————-12. Summit: -340
13. Belmont: -3,394—————————————-13. Marion: -334
14. Richland: -3,321—————————————-14. Lawrence: -304
15. Lawrence: -2,987————————————–15. Geauga: -296
16. Erie: -2,813———————————————-16. Erie: -247
17. Sandusky: -2,426————————————–17. Ottawa: -244
18. Crawford: -2,290—————————————18. Ashland: -222
19. Carroll: -1,922——————————————-19. Sandusky: -222
20. Washington: -1,867————————————20. Ross: -218
21. Darke: -1,846——————————————–21. Washington: -200
22. Seneca: -1,567——————————————22. Athens: -192
23. Brown: -1,414——————————————–23. Darke: -186
24. Marion: -1,408——————————————-24. Carroll: -168
25. Ross: -1,398———————————————25. Scioto: -166

Franklin County continues to vastly outpace all other 87 in the state.