Last official estimated population of Unicoi County was 18,290 (year 2014)[1]. This was 0.006% of total US population and 0.3% of total Tennessee state population. Area of Unicoi County is 186.5 mi² (=483 km²), in this year population density was 98.07 p/mi². If population growth rate would be same as in period 2010-2014 (-0.03%/yr), Unicoi County population in 2024 would be 18,233 [0].
Historical population of Unicoi County for period 1880-2014 [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
[1880-1890] +2.4 %/yr
[1890-1900] +2.39 %/yr
[1900-1910] +2.1 %/yr
[1910-1920] +3.46 %/yr
[1920-1930] +2.28 %/yr
[1930-1940] +1.09 %/yr
[1940-1950] +1.18 %/yr
[1950-1960] -0.52 %/yr
[1960-1970] +0.11 %/yr
[1970-1980] +0.7 %/yr
[1980-1990] +0.11 %/yr
[1990-2000] +0.66 %/yr
[2000-2005] +0.3 %/yr
[2005-2010] +0.42 %/yr
[2010-2014] -0.03 %/yr
Looking for settlements in Unicoi County? Visit this page: Settlements in Unicoi County, TN
Population of Unicoi County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 380 | 403 | 783 |
| 5 to 9 | 528 | 425 | 953 |
| 10 to 14 | 544 | 531 | 1,075 |
| 15 to 19 | 504 | 506 | 1,010 |
| 20 to 24 | 480 | 437 | 917 |
| 25 to 29 | 457 | 440 | 897 |
| 30 to 34 | 493 | 464 | 957 |
| 35 to 39 | 495 | 483 | 978 |
| 40 to 44 | 566 | 573 | 1,139 |
| 45 to 49 | 605 | 630 | 1,235 |
| 50 to 54 | 659 | 688 | 1,347 |
| 55 to 59 | 715 | 723 | 1,438 |
| 60 to 64 | 655 | 665 | 1,320 |
| 65 to 69 | 610 | 650 | 1,260 |
| 70 to 74 | 451 | 498 | 949 |
| 75 to 79 | 331 | 389 | 720 |
| 80 to 84 | 227 | 294 | 521 |
| 85+ | 139 | 325 | 464 |
Unicoi 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 |
| WAC | 8745 | 9020 | 17,765 |
| WA | 8659 | 8936 | 17,595 |
| NH | 8398 | 8768 | 17,166 |
| NHWAC | 8318 | 8672 | 16,990 |
| NHWA | 8242 | 8599 | 16,841 |
| H | 441 | 356 | 797 |
| HWAC | 427 | 348 | 775 |
| HWA | 417 | 337 | 754 |
| TOM | 90 | 86 | 176 |
| IAC | 81 | 89 | 170 |
| NHTOM | 80 | 75 | 155 |
| BAC | 81 | 68 | 149 |
| NHIAC | 71 | 77 | 148 |
| NHBAC | 66 | 59 | 125 |
| BA | 46 | 41 | 87 |
| NHBA | 37 | 36 | 73 |
| IA | 27 | 31 | 58 |
| AAC | 22 | 36 | 58 |
| NHAAC | 21 | 35 | 56 |
| NHIA | 23 | 28 | 51 |
| AA | 14 | 30 | 44 |
| NHAA | 14 | 30 | 44 |
| HBAC | 15 | 9 | 24 |
| HIAC | 10 | 12 | 22 |
| HTOM | 10 | 11 | 21 |
| HBA | 9 | 5 | 14 |
| NAC | 4 | 3 | 7 |
| HIA | 4 | 3 | 7 |
| NHNAC | 3 | 2 | 5 |
| NA | 3 | 0 | 3 |
| NHNA | 2 | 0 | 2 |
| HNAC | 1 | 1 | 2 |
| HAAC | 1 | 1 | 2 |
| HNA | 1 | 0 | 1 |
| HAA | 0 | 0 | 0 |
• Buncombe County population
34.5 mi, 
190°
• Sullivan County
29.1 mi, 
13°
• Washington County
14.2 mi, 
342°
• Greene County
24.6 mi, 
282°
• Carter County
20.7 mi, 
51°
• McDowell County
35.5 mi, 
144°
• Madison County
23.2 mi, 
225°
• Yancey County
15.9 mi, 
156°
• Avery County
27.9 mi, 
93°
• Mitchell County
15.4 mi, 
112°
[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 41 Tennessee Notes
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