Last official estimated population of Perkins County was 2,974 (year 2014)[1]. This was 0.001% of total US population and 0.3% of total South Dakota state population. Area of Perkins County is 2,889.9 mi² (=7484.9 km²), in this year population density was 1.03 p/mi². If population growth rate would be same as in period 2010-2014 (-0.07%/yr), Perkins County population in 2026 would be 2,950 [0].
Historical population of Perkins County for period 1910-2014 [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

[1910-1920] -3.44 %/yr
[1920-1930] +0.87 %/yr
[1930-1940] -2.77 %/yr
[1940-1950] +0.29 %/yr
[1950-1960] -1.25 %/yr
[1960-1970] -2.23 %/yr
[1970-1980] -0.15 %/yr
[1980-1990] -1.77 %/yr
[1990-2000] -1.54 %/yr
[2000-2005] -2.39 %/yr
[2005-2010] -0.01 %/yr
[2010-2014] -0.07 %/yr
Looking for settlements in Perkins County? Visit this page: Settlements in Perkins County, SD
Population of Perkins County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 84 | 75 | 159 |
| 5 to 9 | 89 | 81 | 170 |
| 10 to 14 | 99 | 88 | 187 |
| 15 to 19 | 110 | 96 | 206 |
| 20 to 24 | 74 | 68 | 142 |
| 25 to 29 | 58 | 52 | 110 |
| 30 to 34 | 100 | 78 | 178 |
| 35 to 39 | 66 | 74 | 140 |
| 40 to 44 | 80 | 71 | 151 |
| 45 to 49 | 85 | 90 | 175 |
| 50 to 54 | 108 | 115 | 223 |
| 55 to 59 | 134 | 132 | 266 |
| 60 to 64 | 123 | 106 | 229 |
| 65 to 69 | 88 | 92 | 180 |
| 70 to 74 | 92 | 68 | 160 |
| 75 to 79 | 56 | 50 | 106 |
| 80 to 84 | 52 | 58 | 110 |
| 85+ | 49 | 92 | 141 |
Perkins 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 | 1519 | 1470 | 2,989 |
| WAC | 1508 | 1456 | 2,964 |
| WA | 1495 | 1440 | 2,935 |
| NHWAC | 1481 | 1443 | 2,924 |
| NHWA | 1469 | 1428 | 2,897 |
| IAC | 34 | 35 | 69 |
| NHIAC | 33 | 31 | 64 |
| IA | 29 | 22 | 51 |
| NHIA | 28 | 19 | 47 |
| H | 28 | 16 | 44 |
| HWAC | 27 | 13 | 40 |
| HWA | 26 | 12 | 38 |
| TOM | 13 | 16 | 29 |
| NHTOM | 12 | 15 | 27 |
| BAC | 11 | 6 | 17 |
| NHBAC | 10 | 6 | 16 |
| AAC | 7 | 4 | 11 |
| NHAAC | 7 | 4 | 11 |
| BA | 5 | 5 | 10 |
| NHBA | 5 | 5 | 10 |
| AA | 5 | 3 | 8 |
| NHAA | 5 | 3 | 8 |
| HIAC | 1 | 4 | 5 |
| HIA | 1 | 3 | 4 |
| HTOM | 1 | 1 | 2 |
| HBAC | 1 | 0 | 1 |
| NAC | 0 | 1 | 1 |
| NHNAC | 0 | 1 | 1 |
| HNAC | 0 | 0 | 0 |
| HAAC | 0 | 0 | 0 |
| NHNA | 0 | 0 | 0 |
| HBA | 0 | 0 | 0 |
| NA | 0 | 0 | 0 |
| HNA | 0 | 0 | 0 |
| HAA | 0 | 0 | 0 |
• Meade County population
61.8 mi,
191°
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231°
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63.8 mi,
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66.1 mi,
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• Hettinger County
65.8 mi,
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• Adams County
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• Harding County
49.3 mi,
279°
[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
*Butte South Dakota Notes
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