Last official estimated population of Knox County was 31,867 (year 2014)[1]. This was 0.01% of total US population and 0.7% of total Kentucky state population. Area of Knox County is 387.7 mi² (=1004.3 km²), in this year population density was 82.18 p/mi². If population growth rate would be same as in period 2010-2014 (-0.01%/yr), Knox County population in 2025 would be 31,823 [0].
Historical population of Knox County for period 1800-2014 [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
[1800-1810] +18.14 %/yr
[1810-1820] -4.62 %/yr
[1820-1830] +1.66 %/yr
[1830-1840] +2.86 %/yr
[1840-1850] +2.11 %/yr
[1850-1860] +0.89 %/yr
[1860-1870] +0.74 %/yr
[1870-1880] +2.47 %/yr
[1880-1890] +2.66 %/yr
[1890-1900] +2.36 %/yr
[1900-1910] +2.44 %/yr
[1910-1920] +0.89 %/yr
[1920-1930] +0.83 %/yr
[1930-1940] +1.68 %/yr
[1940-1950] -0.2 %/yr
[1950-1960] -1.84 %/yr
[1960-1970] -0.64 %/yr
[1970-1980] +2.47 %/yr
[1980-1990] -0.19 %/yr
[1990-2000] +0.67 %/yr
[2000-2005] -0.11 %/yr
[2005-2010] +0.2 %/yr
[2010-2014] -0.01 %/yr
Looking for settlements in Knox County? Visit this page: Settlements in Knox County, KY
Population of Knox County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 1098 | 1033 | 2,131 |
| 5 to 9 | 1060 | 1032 | 2,092 |
| 10 to 14 | 1033 | 1004 | 2,037 |
| 15 to 19 | 1121 | 953 | 2,074 |
| 20 to 24 | 1102 | 1067 | 2,169 |
| 25 to 29 | 925 | 990 | 1,915 |
| 30 to 34 | 910 | 912 | 1,822 |
| 35 to 39 | 891 | 944 | 1,835 |
| 40 to 44 | 1021 | 1044 | 2,065 |
| 45 to 49 | 1053 | 1068 | 2,121 |
| 50 to 54 | 1047 | 1160 | 2,207 |
| 55 to 59 | 990 | 1111 | 2,101 |
| 60 to 64 | 846 | 1016 | 1,862 |
| 65 to 69 | 848 | 965 | 1,813 |
| 70 to 74 | 666 | 795 | 1,461 |
| 75 to 79 | 459 | 556 | 1,015 |
| 80 to 84 | 238 | 365 | 603 |
| 85+ | 129 | 346 | 475 |
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 | 15256 | 16189 | 31,445 |
| WAC | 15107 | 16074 | 31,181 |
| WA | 14949 | 15909 | 30,858 |
| NHWAC | 14933 | 15916 | 30,849 |
| NHWA | 14786 | 15759 | 30,545 |
| BAC | 288 | 233 | 521 |
| NHBAC | 284 | 230 | 514 |
| BA | 229 | 170 | 399 |
| NHBA | 228 | 169 | 397 |
| H | 181 | 172 | 353 |
| HWAC | 174 | 158 | 332 |
| TOM | 162 | 168 | 330 |
| HWA | 163 | 150 | 313 |
| NHTOM | 150 | 160 | 310 |
| IAC | 136 | 135 | 271 |
| NHIAC | 128 | 128 | 256 |
| AAC | 64 | 54 | 118 |
| NHAAC | 60 | 49 | 109 |
| AA | 47 | 42 | 89 |
| NHAA | 47 | 39 | 86 |
| IA | 39 | 39 | 78 |
| NHIA | 37 | 36 | 73 |
| NAC | 16 | 35 | 51 |
| NA | 11 | 33 | 44 |
| NHNAC | 11 | 28 | 39 |
| NHNA | 8 | 26 | 34 |
| HTOM | 12 | 8 | 20 |
| HIAC | 8 | 7 | 15 |
| HNAC | 5 | 7 | 12 |
| HNA | 3 | 7 | 10 |
| HAAC | 4 | 5 | 9 |
| HBAC | 4 | 3 | 7 |
| HIA | 2 | 3 | 5 |
| HAA | 0 | 3 | 3 |
| HBA | 1 | 1 | 2 |
• Laurel County population
21.3 mi, 
316°
• Campbell County
37.6 mi, 
206°
• Whitley County
18.3 mi, 
240°
• Claiborne County
28.8 mi, 
157°
• Harlan County
35.1 mi, 
93°
• Bell County
14.9 mi, 
139°
• Clay County
20.1 mi, 
22°
• McCreary County
36.8 mi, 
252°
• Jackson County
36.8 mi, 
345°
• Leslie County
29.3 mi, 
61°
[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
*Lincoln Kentucky Notes
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