Last official estimated population of Cuyahoga County was 1,278,172 (year 2014)[1]. This was 0.401% of total US population and 11% of total Ohio state population. Area of Cuyahoga County is 1,245.5 mi² (=3225.9 km²), in this year population density was 1,026.21 p/mi². If population growth rate would be same as in period 2010-2014 (-0.04%/yr), Cuyahoga County population in 2025 would be 1,272,825 [0].
Historical population of Cuyahoga County for period 1810-2014 [1] , [2] , [3]:
Estimated population for 2014[1]. Population density is in p./sq.mi [4]. Changes are for period 2010-2015. Value is %/year. Boundary lines are approx. 2012 [5]. Click on flag to hide it.
Population • Density • Changes • Legends • Position

[1810-1820] +15.8 %/yr
[1820-1830] +5.07 %/yr
[1830-1840] +9.84 %/yr
[1840-1850] +6.14 %/yr
[1850-1860] +4.96 %/yr
[1860-1870] +5.4 %/yr
[1870-1880] +4.08 %/yr
[1880-1890] +4.64 %/yr
[1890-1900] +3.54 %/yr
[1900-1910] +3.8 %/yr
[1910-1920] +4 %/yr
[1920-1930] +2.45 %/yr
[1930-1940] +0.13 %/yr
[1940-1950] +1.33 %/yr
[1950-1960] +1.72 %/yr
[1960-1970] +0.44 %/yr
[1970-1980] -1.38 %/yr
[1980-1990] -0.59 %/yr
[1990-2000] -0.13 %/yr
[2000-2005] -0.92 %/yr
[2005-2010] -0.77 %/yr
[2010-2014] -0.04 %/yr
Looking for settlements in Cuyahoga County? Visit this page: Settlements in Cuyahoga County, OH
Population of Cuyahoga County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 37012 | 35446 | 72,458 |
| 5 to 9 | 37078 | 36196 | 73,274 |
| 10 to 14 | 38912 | 37612 | 76,524 |
| 15 to 19 | 41037 | 39229 | 80,266 |
| 20 to 24 | 41770 | 43029 | 84,799 |
| 25 to 29 | 41161 | 43376 | 84,537 |
| 30 to 34 | 39228 | 41722 | 80,950 |
| 35 to 39 | 34524 | 36931 | 71,455 |
| 40 to 44 | 36062 | 39184 | 75,246 |
| 45 to 49 | 38698 | 42451 | 81,149 |
| 50 to 54 | 45012 | 48908 | 93,920 |
| 55 to 59 | 45757 | 50328 | 96,085 |
| 60 to 64 | 38629 | 43418 | 82,047 |
| 65 to 69 | 28668 | 34145 | 62,813 |
| 70 to 74 | 19839 | 25902 | 45,741 |
| 75 to 79 | 14557 | 21024 | 35,581 |
| 80 to 84 | 10844 | 17643 | 28,487 |
| 85+ | 11149 | 23347 | 34,496 |
Cuyahoga County resident population estimates by Sex, Race, and Hispanic Origin[1b]. For full list of abbrevations see: population.us/about page.
| Race | Male | Female | Total |
| NH | 566420 | 625747 | 1,192,167 |
| WAC | 404724 | 428604 | 833,328 |
| WA | 393892 | 417385 | 811,277 |
| NHWAC | 376913 | 400765 | 777,678 |
| NHWA | 367333 | 390874 | 758,207 |
| BAC | 181385 | 216961 | 398,346 |
| NHBAC | 175867 | 210775 | 386,642 |
| BA | 173202 | 208128 | 381,330 |
| NHBA | 168688 | 203060 | 371,748 |
| H | 33517 | 34144 | 67,661 |
| HWAC | 27811 | 27839 | 55,650 |
| HWA | 26559 | 26511 | 53,070 |
| AAC | 21862 | 22670 | 44,532 |
| NHAAC | 21348 | 22099 | 43,447 |
| AA | 18640 | 19418 | 38,058 |
| NHAA | 18406 | 19155 | 37,561 |
| TOM | 12392 | 13083 | 25,475 |
| NHTOM | 10938 | 11496 | 22,434 |
| HBAC | 5518 | 6186 | 11,704 |
| IAC | 5021 | 5594 | 10,615 |
| HBA | 4514 | 5068 | 9,582 |
| NHIAC | 3836 | 4362 | 8,198 |
| IA | 1580 | 1662 | 3,242 |
| HTOM | 1454 | 1587 | 3,041 |
| HIAC | 1185 | 1232 | 2,417 |
| NHIA | 977 | 1081 | 2,058 |
| NAC | 611 | 655 | 1,266 |
| HIA | 603 | 581 | 1,184 |
| HAAC | 514 | 571 | 1,085 |
| NHNAC | 405 | 436 | 841 |
| HAA | 234 | 263 | 497 |
| NA | 231 | 215 | 446 |
| HNAC | 206 | 219 | 425 |
| HNA | 153 | 134 | 287 |
| NHNA | 78 | 81 | 159 |
• Summit County population
45.2 mi,
167°
• Lorain County
32.4 mi,
226°
• Lake County
20.5 mi,
56°
• Trumbull County
58.5 mi,
122°
• Medina County
45.4 mi,
191°
• Portage County
49.1 mi,
146°
• Ashtabula County
51.4 mi,
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• Geauga County
33.7 mi,
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• Erie County
43.8 mi,
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• Huron County
62 mi,
226°
[0] Calculated by population.us from last known population growth rate, not official data.
[1] County population - 2014, archived from the original, retrieved 02/23/2016
[1b] Annual County Resident Population Estimates by Age, Sex, Race, and Hispanic Origin, (used only data for 2014) archived from the original, retrieved 02/23/2016
[2] County population - 2000-2010, archived from the original, retrieved 02/23/2016
[3] Population of States and Counties of the United States: 1790 to 1992, PDF, 15 Mb, census.gov, retrieved 02/23/2016
[4] County area, latitude longitude data, retrieved 02/23/2016
[5] County boundaries, CSV files on boundaries.us, retrived 03/18/2016
See note 5 Ohio Notes
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