Last official estimated population of Wirt County was 5,734 (year 2014)[1]. This was 0.002% of total US population and 0.3% of total West Virginia state population. Area of Wirt County is 234.8 mi² (=608 km²), in this year population density was 24.42 p/mi². If population growth rate would be same as in period 2010-2014 (+0.07%/yr), Wirt County population in 2026 would be 5,785 [0].
Historical population of Wirt County for period 1850-2014 [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

[1850-1860] +1.13 %/yr
[1860-1870] +2.51 %/yr
[1870-1880] +3.99 %/yr
[1880-1890] +2.85 %/yr
[1890-1900] +0.89 %/yr
[1900-1910] -1.27 %/yr
[1910-1920] -1.81 %/yr
[1920-1930] -1.69 %/yr
[1930-1940] +0.18 %/yr
[1940-1950] -2.32 %/yr
[1950-1960] -1.52 %/yr
[1960-1970] -0.55 %/yr
[1970-1980] +1.71 %/yr
[1980-1990] +0.54 %/yr
[1990-2000] +1.23 %/yr
[2000-2005] -0.1 %/yr
[2005-2010] -0.41 %/yr
[2010-2014] +0.07 %/yr
Looking for settlements in Wirt County? Visit this page: Settlements in Wirt County, WV
Population of Wirt County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 155 | 158 | 313 |
| 5 to 9 | 197 | 151 | 348 |
| 10 to 14 | 189 | 166 | 355 |
| 15 to 19 | 172 | 163 | 335 |
| 20 to 24 | 144 | 159 | 303 |
| 25 to 29 | 129 | 135 | 264 |
| 30 to 34 | 146 | 158 | 304 |
| 35 to 39 | 168 | 168 | 336 |
| 40 to 44 | 162 | 189 | 351 |
| 45 to 49 | 215 | 208 | 423 |
| 50 to 54 | 248 | 268 | 516 |
| 55 to 59 | 267 | 243 | 510 |
| 60 to 64 | 208 | 205 | 413 |
| 65 to 69 | 216 | 182 | 398 |
| 70 to 74 | 145 | 143 | 288 |
| 75 to 79 | 118 | 88 | 206 |
| 80 to 84 | 49 | 65 | 114 |
| 85+ | 24 | 44 | 68 |
Wirt 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 | 2934 | 2868 | 5,802 |
| WAC | 2933 | 2863 | 5,796 |
| NHWAC | 2916 | 2839 | 5,755 |
| WA | 2891 | 2836 | 5,727 |
| NHWA | 2876 | 2814 | 5,690 |
| TOM | 44 | 29 | 73 |
| NHTOM | 41 | 27 | 68 |
| BAC | 32 | 23 | 55 |
| NHBAC | 31 | 22 | 53 |
| IAC | 27 | 21 | 48 |
| NHIAC | 25 | 21 | 46 |
| H | 18 | 25 | 43 |
| HWAC | 17 | 24 | 41 |
| HWA | 15 | 22 | 37 |
| AAC | 7 | 14 | 21 |
| NHBA | 9 | 10 | 19 |
| BA | 9 | 10 | 19 |
| NHAAC | 6 | 12 | 18 |
| IA | 6 | 7 | 13 |
| NHIA | 6 | 7 | 13 |
| AA | 2 | 10 | 12 |
| NHAA | 2 | 9 | 11 |
| HTOM | 3 | 2 | 5 |
| HAAC | 1 | 2 | 3 |
| HIAC | 2 | 0 | 2 |
| HBAC | 1 | 1 | 2 |
| NAC | 0 | 1 | 1 |
| NA | 0 | 1 | 1 |
| NHNA | 0 | 1 | 1 |
| NHNAC | 0 | 1 | 1 |
| HAA | 0 | 1 | 1 |
| HNAC | 0 | 0 | 0 |
| HNA | 0 | 0 | 0 |
| HIA | 0 | 0 | 0 |
| HBA | 0 | 0 | 0 |
• Wood County population
15 mi,
331°
• Washington County
30.3 mi,
349°
• Jackson County
20.4 mi,
230°
• Mason County
38.9 mi,
242°
• Meigs County
35 mi,
277°
• Roane County
19.2 mi,
175°
• Ritchie County
20.2 mi,
57°
• Gilmer County
29.6 mi,
104°
• Calhoun County
18.8 mi,
130°
• Pleasants County
26.8 mi,
26°
[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 29 West Virginia Notes
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