Last official estimated population of Knox County was 61,095 (year 2014)[1]. This was 0.019% of total US population and 0.5% of total Ohio state population. Area of Knox County is 529.6 mi² (=1371.8 km²), in this year population density was 115.35 p/mi². If population growth rate would be same as in period 2010-2014 (+0.07%/yr), Knox County population in 2024 would be 61,532 [0].
Historical population of Knox 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] +14.5 %/yr
[1820-1830] +7.45 %/yr
[1830-1840] +5.64 %/yr
[1840-1850] -0.24 %/yr
[1850-1860] -0.4 %/yr
[1860-1870] -0.52 %/yr
[1870-1880] +0.41 %/yr
[1880-1890] +0.06 %/yr
[1890-1900] +0.06 %/yr
[1900-1910] +0.84 %/yr
[1910-1920] -0.2 %/yr
[1920-1930] -0.08 %/yr
[1930-1940] +0.56 %/yr
[1940-1950] +1.3 %/yr
[1950-1960] +0.96 %/yr
[1960-1970] +0.74 %/yr
[1970-1980] +1.03 %/yr
[1980-1990] +0.25 %/yr
[1990-2000] +1.39 %/yr
[2000-2005] +1.48 %/yr
[2005-2010] +0.77 %/yr
[2010-2014] +0.07 %/yr
Looking for settlements in Knox County? Visit this page: Settlements in Knox County, OH
Population of Knox County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 1948 | 1841 | 3,789 |
| 5 to 9 | 2001 | 1919 | 3,920 |
| 10 to 14 | 2101 | 2014 | 4,115 |
| 15 to 19 | 2350 | 2295 | 4,645 |
| 20 to 24 | 2416 | 2498 | 4,914 |
| 25 to 29 | 1624 | 1715 | 3,339 |
| 30 to 34 | 1620 | 1663 | 3,283 |
| 35 to 39 | 1654 | 1612 | 3,266 |
| 40 to 44 | 1746 | 1772 | 3,518 |
| 45 to 49 | 1897 | 1881 | 3,778 |
| 50 to 54 | 2114 | 2162 | 4,276 |
| 55 to 59 | 2167 | 2246 | 4,413 |
| 60 to 64 | 1848 | 2066 | 3,914 |
| 65 to 69 | 1553 | 1729 | 3,282 |
| 70 to 74 | 1170 | 1282 | 2,452 |
| 75 to 79 | 804 | 933 | 1,737 |
| 80 to 84 | 542 | 705 | 1,247 |
| 85+ | 427 | 852 | 1,279 |
Knox 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 | 29535 | 30773 | 60,308 |
| WAC | 29373 | 30557 | 59,930 |
| WA | 29027 | 30159 | 59,186 |
| NHWAC | 28949 | 30163 | 59,112 |
| NHWA | 28619 | 29781 | 58,400 |
| BAC | 511 | 494 | 1,005 |
| NHBAC | 487 | 476 | 963 |
| H | 447 | 412 | 859 |
| HWAC | 424 | 394 | 818 |
| HWA | 408 | 378 | 786 |
| TOM | 367 | 411 | 778 |
| NHTOM | 349 | 392 | 741 |
| BA | 330 | 292 | 622 |
| NHBA | 316 | 283 | 599 |
| AAC | 258 | 333 | 591 |
| NHAAC | 254 | 327 | 581 |
| AA | 180 | 250 | 430 |
| NHAA | 179 | 247 | 426 |
| IAC | 196 | 209 | 405 |
| NHIAC | 182 | 198 | 380 |
| IA | 70 | 65 | 135 |
| NHIA | 64 | 62 | 126 |
| HBAC | 24 | 18 | 42 |
| NAC | 24 | 16 | 40 |
| NHNAC | 23 | 14 | 37 |
| HTOM | 18 | 19 | 37 |
| HIAC | 14 | 11 | 25 |
| HBA | 14 | 9 | 23 |
| NA | 8 | 8 | 16 |
| NHNA | 8 | 8 | 16 |
| HAAC | 4 | 6 | 10 |
| HIA | 6 | 3 | 9 |
| HAA | 1 | 3 | 4 |
| HNAC | 1 | 2 | 3 |
| HNA | 0 | 0 | 0 |
• Delaware County population
32 mi, 
254°
• Licking County
21.6 mi, 
188°
• Richland County
26.4 mi, 
346°
• Wayne County
40.7 mi, 
43°
• Muskingum County
39.4 mi, 
140°
• Ashland County
31.4 mi, 
14°
• Crawford County
40.5 mi, 
319°
• Holmes County
28.2 mi, 
66°
• Coshocton County
27 mi, 
105°
• Morrow County
21.4 mi, 
293°
[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
*Ross, Washington Ohio Notes
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