Last official estimated population of Loudon County was 48,735 (year 2014)[1]. This was 0.015% of total US population and 0.7% of total Tennessee state population. Area of Loudon County is 247.4 mi² (=640.7 km²), in this year population density was 197.01 p/mi². If population growth rate would be same as in period 2010-2014 (+0.09%/yr), Loudon County population in 2025 would be 49,231 [0].
Historical population of Loudon 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] +0.14 %/yr
[1890-1900] +1.57 %/yr
[1900-1910] +2.31 %/yr
[1910-1920] +1.8 %/yr
[1920-1930] +0.9 %/yr
[1930-1940] +1.09 %/yr
[1940-1950] +1.57 %/yr
[1950-1960] +0.25 %/yr
[1960-1970] +0.21 %/yr
[1970-1980] +1.64 %/yr
[1980-1990] +0.91 %/yr
[1990-2000] +2.26 %/yr
[2000-2005] +2.36 %/yr
[2005-2010] +2.03 %/yr
[2010-2014] +0.09 %/yr
Looking for settlements in Loudon County? Visit this page: Settlements in Loudon County, TN
Population of Loudon County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 1392 | 1275 | 2,667 |
| 5 to 9 | 1401 | 1354 | 2,755 |
| 10 to 14 | 1496 | 1364 | 2,860 |
| 15 to 19 | 1385 | 1343 | 2,728 |
| 20 to 24 | 1308 | 1245 | 2,553 |
| 25 to 29 | 1265 | 1228 | 2,493 |
| 30 to 34 | 1228 | 1253 | 2,481 |
| 35 to 39 | 1247 | 1308 | 2,555 |
| 40 to 44 | 1483 | 1557 | 3,040 |
| 45 to 49 | 1529 | 1564 | 3,093 |
| 50 to 54 | 1708 | 1757 | 3,465 |
| 55 to 59 | 1819 | 2004 | 3,823 |
| 60 to 64 | 1810 | 1993 | 3,803 |
| 65 to 69 | 2002 | 2180 | 4,182 |
| 70 to 74 | 1677 | 1770 | 3,447 |
| 75 to 79 | 1110 | 1173 | 2,283 |
| 80 to 84 | 594 | 746 | 1,340 |
| 85+ | 397 | 806 | 1,203 |
Loudon 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 | 24016 | 25175 | 49,191 |
| WA | 23713 | 24888 | 48,601 |
| NH | 22721 | 24046 | 46,767 |
| NHWAC | 22045 | 23423 | 45,468 |
| NHWA | 21783 | 23177 | 44,960 |
| H | 2130 | 1874 | 4,004 |
| HWAC | 1971 | 1752 | 3,723 |
| HWA | 1930 | 1711 | 3,641 |
| BAC | 558 | 507 | 1,065 |
| NHBAC | 510 | 456 | 966 |
| BA | 422 | 368 | 790 |
| NHBA | 388 | 335 | 723 |
| TOM | 320 | 303 | 623 |
| NHTOM | 274 | 257 | 531 |
| IAC | 289 | 233 | 522 |
| AAC | 251 | 260 | 511 |
| NHAAC | 223 | 240 | 463 |
| AA | 199 | 217 | 416 |
| NHAA | 182 | 204 | 386 |
| NHIAC | 204 | 170 | 374 |
| IA | 138 | 100 | 238 |
| HIAC | 85 | 63 | 148 |
| NHIA | 79 | 62 | 141 |
| NAC | 67 | 54 | 121 |
| NA | 59 | 44 | 103 |
| HBAC | 48 | 51 | 99 |
| HIA | 59 | 38 | 97 |
| HTOM | 46 | 46 | 92 |
| HNAC | 47 | 36 | 83 |
| HNA | 44 | 33 | 77 |
| HBA | 34 | 33 | 67 |
| HAAC | 28 | 20 | 48 |
| NHNAC | 20 | 18 | 38 |
| HAA | 17 | 13 | 30 |
| NHNA | 15 | 11 | 26 |
• Knox County population
27.6 mi, 
50°
• Blount County
22.3 mi, 
98°
• Anderson County
27.1 mi, 
14°
• Roane County
13.9 mi, 
303°
• McMinn County
27.5 mi, 
218°
• Monroe County
20.4 mi, 
169°
• Rhea County
36.8 mi, 
255°
• Morgan County
33.1 mi, 
326°
• Meigs County
32.8 mi, 
240°
• Graham County
38.3 mi, 
134°
[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 27 Tennessee Notes
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