Last official estimated population of Benton County was 16,500 (year 2014)[1]. This was 0.005% of total US population and 0.2% of total Tennessee state population. Area of Benton County is 436.2 mi² (=1129.8 km²), in this year population density was 37.82 p/mi². If population growth rate would be same as in period 2010-2014 (+0.02%/yr), Benton County population in 2026 would be 16,533 [0].
Historical population of Benton County for period 1840-2014 [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

[1840-1850] +2.84 %/yr
[1850-1860] +2.97 %/yr
[1860-1870] -0.27 %/yr
[1870-1880] +1.74 %/yr
[1880-1890] +1.39 %/yr
[1890-1900] +0.57 %/yr
[1900-1910] +0.46 %/yr
[1910-1920] -0.33 %/yr
[1920-1930] -0.69 %/yr
[1930-1940] +0.64 %/yr
[1940-1950] -0.41 %/yr
[1950-1960] -0.75 %/yr
[1960-1970] +1.29 %/yr
[1970-1980] +2.08 %/yr
[1980-1990] -0.26 %/yr
[1990-2000] +1.3 %/yr
[2000-2005] -0.02 %/yr
[2005-2010] -0.03 %/yr
[2010-2014] +0.02 %/yr
Looking for settlements in Benton County? Visit this page: Settlements in Benton County, TN
Population of Benton County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 452 | 374 | 826 |
| 5 to 9 | 444 | 426 | 870 |
| 10 to 14 | 464 | 433 | 897 |
| 15 to 19 | 465 | 446 | 911 |
| 20 to 24 | 439 | 411 | 850 |
| 25 to 29 | 388 | 359 | 747 |
| 30 to 34 | 399 | 415 | 814 |
| 35 to 39 | 423 | 403 | 826 |
| 40 to 44 | 518 | 489 | 1,007 |
| 45 to 49 | 570 | 558 | 1,128 |
| 50 to 54 | 557 | 648 | 1,205 |
| 55 to 59 | 585 | 655 | 1,240 |
| 60 to 64 | 588 | 605 | 1,193 |
| 65 to 69 | 624 | 644 | 1,268 |
| 70 to 74 | 468 | 483 | 951 |
| 75 to 79 | 305 | 344 | 649 |
| 80 to 84 | 167 | 238 | 405 |
| 85+ | 133 | 225 | 358 |
Benton 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 | 7796 | 8001 | 15,797 |
| WAC | 7695 | 7846 | 15,541 |
| WA | 7578 | 7742 | 15,320 |
| NHWAC | 7512 | 7700 | 15,212 |
| NHWA | 7409 | 7606 | 15,015 |
| BAC | 257 | 253 | 510 |
| NHBAC | 249 | 243 | 492 |
| BA | 204 | 201 | 405 |
| NHBA | 203 | 196 | 399 |
| H | 193 | 155 | 348 |
| HWAC | 183 | 146 | 329 |
| HWA | 169 | 136 | 305 |
| TOM | 120 | 114 | 234 |
| IAC | 114 | 99 | 213 |
| NHTOM | 105 | 104 | 209 |
| NHIAC | 99 | 89 | 188 |
| AAC | 48 | 72 | 120 |
| NHAAC | 45 | 71 | 116 |
| IA | 52 | 45 | 97 |
| NHIA | 46 | 41 | 87 |
| AA | 34 | 53 | 87 |
| NHAA | 32 | 53 | 85 |
| HTOM | 15 | 10 | 25 |
| HIAC | 15 | 10 | 25 |
| HBAC | 8 | 10 | 18 |
| NAC | 3 | 9 | 12 |
| NHNAC | 3 | 8 | 11 |
| HIA | 6 | 4 | 10 |
| HBA | 1 | 5 | 6 |
| HAAC | 3 | 1 | 4 |
| HAA | 2 | 0 | 2 |
| NHNA | 1 | 1 | 2 |
| NA | 1 | 1 | 2 |
| HNAC | 0 | 1 | 1 |
| HNA | 0 | 0 | 0 |
• Weakley County population
39.7 mi,
294°
• Henry County
21.8 mi,
324°
• Carroll County
22.5 mi,
251°
• Henderson County
33.7 mi,
211°
• Hickman County
38.5 mi,
118°
• Humphreys County
15.8 mi,
97°
• Stewart County
32.9 mi,
21°
• Decatur County
32.3 mi,
183°
• Houston County
25.3 mi,
53°
• Perry County
30.2 mi,
158°
[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
*Humphreys Tennessee Notes
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