Last official estimated population of Martin County was 12,890 (year 2014)[1]. This was 0.004% of total US population and 0.3% of total Kentucky state population. Area of Martin County is 230.6 mi² (=597.2 km²), in this year population density was 55.90 p/mi². If population growth rate would be same as in period 2010-2014 (-0.08%/yr), Martin County population in 2025 would be 12,783 [0].
Historical population of Martin 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] +3.25 %/yr
[1890-1900] +3.22 %/yr
[1900-1910] +2.35 %/yr
[1910-1920] +0.49 %/yr
[1920-1930] +1.15 %/yr
[1930-1940] +2.48 %/yr
[1940-1950] +0.63 %/yr
[1950-1960] -1.34 %/yr
[1960-1970] -0.84 %/yr
[1970-1980] +4.03 %/yr
[1980-1990] -1.05 %/yr
[1990-2000] +0.04 %/yr
[2000-2005] +1.49 %/yr
[2005-2010] -0.91 %/yr
[2010-2014] -0.08 %/yr
Looking for settlements in Martin County? Visit this page: Settlements in Martin County, KY
Population of Martin County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 387 | 295 | 682 |
| 5 to 9 | 375 | 332 | 707 |
| 10 to 14 | 396 | 363 | 759 |
| 15 to 19 | 355 | 321 | 676 |
| 20 to 24 | 495 | 308 | 803 |
| 25 to 29 | 687 | 296 | 983 |
| 30 to 34 | 759 | 312 | 1,071 |
| 35 to 39 | 614 | 356 | 970 |
| 40 to 44 | 500 | 390 | 890 |
| 45 to 49 | 431 | 401 | 832 |
| 50 to 54 | 448 | 451 | 899 |
| 55 to 59 | 397 | 418 | 815 |
| 60 to 64 | 393 | 386 | 779 |
| 65 to 69 | 327 | 307 | 634 |
| 70 to 74 | 177 | 200 | 377 |
| 75 to 79 | 134 | 162 | 296 |
| 80 to 84 | 68 | 113 | 181 |
| 85+ | 50 | 133 | 183 |
Martin 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 | 6615 | 5517 | 12,132 |
| WAC | 6050 | 5508 | 11,558 |
| WA | 6008 | 5471 | 11,479 |
| NHWAC | 5689 | 5485 | 11,174 |
| NHWA | 5649 | 5450 | 11,099 |
| BAC | 913 | 27 | 940 |
| NHBAC | 896 | 26 | 922 |
| BA | 891 | 14 | 905 |
| NHBA | 876 | 14 | 890 |
| H | 378 | 27 | 405 |
| HWAC | 361 | 23 | 384 |
| HWA | 359 | 21 | 380 |
| IAC | 52 | 32 | 84 |
| TOM | 43 | 38 | 81 |
| NHIAC | 51 | 28 | 79 |
| NHTOM | 41 | 36 | 77 |
| IA | 36 | 12 | 48 |
| NHIA | 35 | 9 | 44 |
| NHAAC | 21 | 14 | 35 |
| AAC | 21 | 14 | 35 |
| AA | 14 | 8 | 22 |
| NHAA | 14 | 8 | 22 |
| HBAC | 17 | 1 | 18 |
| HBA | 15 | 0 | 15 |
| NAC | 3 | 2 | 5 |
| HIAC | 1 | 4 | 5 |
| HTOM | 2 | 2 | 4 |
| HIA | 1 | 3 | 4 |
| NHNAC | 2 | 1 | 3 |
| HNAC | 1 | 1 | 2 |
| NA | 1 | 1 | 2 |
| HNA | 1 | 1 | 2 |
| NHNA | 0 | 0 | 0 |
| HAAC | 0 | 0 | 0 |
| HAA | 0 | 0 | 0 |
• Pike County population
22.1 mi, 
166°
• Wayne County
24.6 mi, 
11°
• Floyd County
20.9 mi, 
218°
• Logan County
31 mi, 
85°
• Mingo County
19.7 mi, 
105°
• Johnson County
18.1 mi, 
281°
• Lincoln County
34.9 mi, 
42°
• Knott County
38.6 mi, 218°
• Lawrence County
23 mi, 
326°
• Magoffin County
31.5 mi, 
257°
[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 42 Kentucky Notes
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