Last official estimated population of Henry County was 15,407 (year 2014)[1]. This was 0.005% of total US population and 0.3% of total Kentucky state population. Area of Henry County is 291.1 mi² (=754 km²), in this year population density was 52.92 p/mi². If population growth rate would be same as in period 2010-2014 (-0.01%/yr), Henry County population in 2026 would be 15,380 [0].
Historical population of Henry 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] +7.6 %/yr
[1810-1820] +4.79 %/yr
[1820-1830] +0.52 %/yr
[1830-1840] -1.28 %/yr
[1840-1850] +1.34 %/yr
[1850-1860] +0.43 %/yr
[1860-1870] -0.76 %/yr
[1870-1880] +2.73 %/yr
[1880-1890] -0.23 %/yr
[1890-1900] +0.32 %/yr
[1900-1910] -0.64 %/yr
[1910-1920] -0.22 %/yr
[1920-1930] -0.65 %/yr
[1930-1940] -0.28 %/yr
[1940-1950] -0.7 %/yr
[1950-1960] -0.36 %/yr
[1960-1970] -0.07 %/yr
[1970-1980] +1.56 %/yr
[1980-1990] +0.06 %/yr
[1990-2000] +1.59 %/yr
[2000-2005] +0.47 %/yr
[2005-2010] +0.06 %/yr
[2010-2014] -0.01 %/yr
Looking for settlements in Henry County? Visit this page: Settlements in Henry County, KY
Population of Henry County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 493 | 416 | 909 |
| 5 to 9 | 526 | 452 | 978 |
| 10 to 14 | 597 | 581 | 1,178 |
| 15 to 19 | 550 | 453 | 1,003 |
| 20 to 24 | 440 | 425 | 865 |
| 25 to 29 | 400 | 417 | 817 |
| 30 to 34 | 424 | 462 | 886 |
| 35 to 39 | 439 | 456 | 895 |
| 40 to 44 | 501 | 526 | 1,027 |
| 45 to 49 | 518 | 559 | 1,077 |
| 50 to 54 | 594 | 598 | 1,192 |
| 55 to 59 | 590 | 590 | 1,180 |
| 60 to 64 | 521 | 545 | 1,066 |
| 65 to 69 | 427 | 475 | 902 |
| 70 to 74 | 291 | 359 | 650 |
| 75 to 79 | 205 | 228 | 433 |
| 80 to 84 | 109 | 154 | 263 |
| 85+ | 68 | 183 | 251 |
Henry 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 | 7410 | 7668 | 15,078 |
| WAC | 7389 | 7607 | 14,996 |
| WA | 7239 | 7487 | 14,726 |
| NHWAC | 7135 | 7407 | 14,542 |
| NHWA | 6991 | 7292 | 14,283 |
| BAC | 333 | 281 | 614 |
| NHBAC | 318 | 272 | 590 |
| H | 283 | 211 | 494 |
| HWAC | 254 | 200 | 454 |
| BA | 241 | 209 | 450 |
| HWA | 248 | 195 | 443 |
| NHBA | 227 | 202 | 429 |
| TOM | 157 | 122 | 279 |
| NHTOM | 151 | 117 | 268 |
| IAC | 86 | 76 | 162 |
| NHIAC | 76 | 72 | 148 |
| AAC | 38 | 32 | 70 |
| NHAAC | 30 | 29 | 59 |
| IA | 26 | 30 | 56 |
| NHIA | 21 | 29 | 50 |
| AA | 25 | 24 | 49 |
| NHAA | 17 | 21 | 38 |
| HBAC | 15 | 9 | 24 |
| HBA | 14 | 7 | 21 |
| NAC | 6 | 9 | 15 |
| HIAC | 10 | 4 | 14 |
| NHNAC | 4 | 9 | 13 |
| NA | 5 | 7 | 12 |
| HAAC | 8 | 3 | 11 |
| HAA | 8 | 3 | 11 |
| HTOM | 6 | 5 | 11 |
| NHNA | 3 | 7 | 10 |
| HIA | 5 | 1 | 6 |
| HNAC | 2 | 0 | 2 |
| HNA | 2 | 0 | 2 |
• Oldham County population
18.5 mi,
258°
• Franklin County
20.2 mi,
137°
• Shelby County
15.8 mi,
201°
• Jefferson County
28.7 mi,
323°
• Grant County
30 mi,
62°
• Owen County
15.4 mi,
77°
• Carroll County
15 mi,
359°
• Switzerland County
26.3 mi,
10°
• Trimble County
17.1 mi,
312°
• Gallatin County
25.5 mi,
33°
[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
*Jefferson Kentucky Notes
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