Last official estimated population of Trigg County was 14,346 (year 2014)[1]. This was 0.004% of total US population and 0.3% of total Kentucky state population. Area of Trigg County is 481.3 mi² (=1246.6 km²), in this year population density was 29.80 p/mi². If population growth rate would be same as in period 2010-2014 (+0.01%/yr), Trigg County population in 2025 would be 14,365 [0].
Historical population of Trigg County for period 1820-2014 [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
[1820-1830] +4.32 %/yr
[1830-1840] +2.69 %/yr
[1840-1850] +2.76 %/yr
[1850-1860] +0.87 %/yr
[1860-1870] +2.16 %/yr
[1870-1880] +0.57 %/yr
[1880-1890] -0.41 %/yr
[1890-1900] +0.12 %/yr
[1900-1910] +0.33 %/yr
[1910-1920] -0.23 %/yr
[1920-1930] -1.25 %/yr
[1930-1940] +0.2 %/yr
[1940-1950] -2.74 %/yr
[1950-1960] -0.87 %/yr
[1960-1970] -0.29 %/yr
[1970-1980] +0.85 %/yr
[1980-1990] +1 %/yr
[1990-2000] +1.98 %/yr
[2000-2005] +1.57 %/yr
[2005-2010] +1.04 %/yr
[2010-2014] +0.01 %/yr
Looking for settlements in Trigg County? Visit this page: Settlements in Trigg County, KY
Population of Trigg County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 386 | 360 | 746 |
| 5 to 9 | 382 | 434 | 816 |
| 10 to 14 | 479 | 479 | 958 |
| 15 to 19 | 429 | 400 | 829 |
| 20 to 24 | 375 | 343 | 718 |
| 25 to 29 | 286 | 329 | 615 |
| 30 to 34 | 322 | 358 | 680 |
| 35 to 39 | 327 | 370 | 697 |
| 40 to 44 | 444 | 474 | 918 |
| 45 to 49 | 468 | 495 | 963 |
| 50 to 54 | 525 | 548 | 1,073 |
| 55 to 59 | 494 | 575 | 1,069 |
| 60 to 64 | 525 | 539 | 1,064 |
| 65 to 69 | 521 | 527 | 1,048 |
| 70 to 74 | 401 | 403 | 804 |
| 75 to 79 | 315 | 251 | 566 |
| 80 to 84 | 140 | 172 | 312 |
| 85+ | 94 | 172 | 266 |
Trigg 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 | 6777 | 7128 | 13,905 |
| WAC | 6339 | 6581 | 12,920 |
| NHWAC | 6207 | 6492 | 12,699 |
| WA | 6218 | 6458 | 12,676 |
| NHWA | 6103 | 6378 | 12,481 |
| BAC | 587 | 640 | 1,227 |
| NHBAC | 580 | 634 | 1,214 |
| BA | 526 | 567 | 1,093 |
| NHBA | 526 | 563 | 1,089 |
| TOM | 129 | 128 | 257 |
| H | 136 | 101 | 237 |
| NHTOM | 110 | 119 | 229 |
| HWAC | 132 | 89 | 221 |
| HWA | 115 | 80 | 195 |
| IAC | 75 | 76 | 151 |
| NHIAC | 65 | 64 | 129 |
| AAC | 43 | 57 | 100 |
| NHAAC | 36 | 55 | 91 |
| AA | 19 | 41 | 60 |
| NHAA | 19 | 41 | 60 |
| IA | 20 | 30 | 50 |
| NHIA | 18 | 23 | 41 |
| HTOM | 19 | 9 | 28 |
| HIAC | 10 | 12 | 22 |
| NAC | 6 | 10 | 16 |
| NHNAC | 6 | 9 | 15 |
| HBAC | 7 | 6 | 13 |
| HAAC | 7 | 2 | 9 |
| HIA | 2 | 7 | 9 |
| NA | 1 | 5 | 6 |
| NHNA | 1 | 4 | 5 |
| HBA | 0 | 4 | 4 |
| HNAC | 0 | 1 | 1 |
| HNA | 0 | 1 | 1 |
| HAA | 0 | 0 | 0 |
• Montgomery County population
33.9 mi, 
128°
• Christian County
21 mi, 
73°
• Hopkins County
38.9 mi, 
26°
• Calloway County
26.4 mi, 
240°
• Marshall County
26.7 mi, 
281°
• Stewart County
20.4 mi, 
178°
• Caldwell County
23.6 mi, 
358°
• Todd County
37.4 mi, 
86°
• Houston County
37 mi, 
166°
• Lyon County
19.4 mi, 
320°
[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 61 Kentucky Notes
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