Last official estimated population of Smyth County was 32,193 (year 2014)[1]. This was 0.01% of total US population and 0.4% of total Virginia state population. Area of Smyth County is 452.3 mi² (=1171.4 km²), in this year population density was 71.18 p/mi². If population growth rate would be same as in period 2010-2014 (-0.01%/yr), Smyth County population in 2026 would be 32,148 [0].
Historical population of Smyth 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] +2.27 %/yr
[1850-1860] +0.93 %/yr
[1860-1870] -0.06 %/yr
[1870-1880] +3.17 %/yr
[1880-1890] +0.95 %/yr
[1890-1900] +2.51 %/yr
[1900-1910] +1.73 %/yr
[1910-1920] +0.85 %/yr
[1920-1930] +1.28 %/yr
[1930-1940] +1.4 %/yr
[1940-1950] +0.45 %/yr
[1950-1960] +0.29 %/yr
[1960-1970] +0.09 %/yr
[1970-1980] +0.63 %/yr
[1980-1990] -0.3 %/yr
[1990-2000] +0.21 %/yr
[2000-2005] -0.33 %/yr
[2005-2010] -0.19 %/yr
[2010-2014] -0.01 %/yr
Looking for settlements in Smyth County? Visit this page: Settlements in Smyth County, VA
Population of Smyth County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 786 | 758 | 1,544 |
| 5 to 9 | 950 | 841 | 1,791 |
| 10 to 14 | 953 | 886 | 1,839 |
| 15 to 19 | 923 | 870 | 1,793 |
| 20 to 24 | 919 | 988 | 1,907 |
| 25 to 29 | 879 | 807 | 1,686 |
| 30 to 34 | 820 | 860 | 1,680 |
| 35 to 39 | 904 | 872 | 1,776 |
| 40 to 44 | 1061 | 1118 | 2,179 |
| 45 to 49 | 1105 | 1078 | 2,183 |
| 50 to 54 | 1164 | 1143 | 2,307 |
| 55 to 59 | 1157 | 1204 | 2,361 |
| 60 to 64 | 1041 | 1161 | 2,202 |
| 65 to 69 | 965 | 1052 | 2,017 |
| 70 to 74 | 713 | 808 | 1,521 |
| 75 to 79 | 554 | 649 | 1,203 |
| 80 to 84 | 335 | 488 | 823 |
| 85+ | 240 | 503 | 743 |
Smyth 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 | 15165 | 15817 | 30,982 |
| WAC | 15034 | 15572 | 30,606 |
| WA | 14863 | 15401 | 30,264 |
| NHWAC | 14754 | 15320 | 30,074 |
| NHWA | 14598 | 15165 | 29,763 |
| BAC | 452 | 472 | 924 |
| NHBAC | 428 | 451 | 879 |
| BA | 365 | 382 | 747 |
| NHBA | 348 | 368 | 716 |
| H | 304 | 269 | 573 |
| HWAC | 280 | 252 | 532 |
| HWA | 265 | 236 | 501 |
| TOM | 178 | 185 | 363 |
| NHTOM | 163 | 168 | 331 |
| IAC | 97 | 114 | 211 |
| NHIAC | 88 | 105 | 193 |
| AAC | 60 | 107 | 167 |
| NHAAC | 56 | 104 | 160 |
| AA | 36 | 84 | 120 |
| NHAA | 35 | 83 | 118 |
| IA | 23 | 31 | 54 |
| NHIA | 20 | 30 | 50 |
| HBAC | 24 | 21 | 45 |
| HTOM | 15 | 17 | 32 |
| HBA | 17 | 14 | 31 |
| NAC | 11 | 9 | 20 |
| HIAC | 9 | 9 | 18 |
| NHNAC | 8 | 8 | 16 |
| NA | 4 | 3 | 7 |
| HAAC | 4 | 3 | 7 |
| HNAC | 3 | 1 | 4 |
| HIA | 3 | 1 | 4 |
| NHNA | 1 | 3 | 4 |
| HNA | 3 | 0 | 3 |
| HAA | 1 | 1 | 2 |
• Washington County population
23.6 mi,
253°
• Tazewell County
19.6 mi,
356°
• Wythe County
25.6 mi,
81°
• Russell County
31.4 mi,
281°
• Ashe County
27.6 mi,
175°
• Johnson County
32.3 mi,
213°
• Grayson County
22.3 mi,
126°
• Alleghany County
33.2 mi,
137°
• Galax city
36.7 mi,
109°
• Bland County
30.3 mi,
48°
[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 33 Virginia Notes
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