Last official estimated population of Harding County was 1,245 (year 2014)[1]. This was 0% of total US population and 0.1% of total South Dakota state population. Area of Harding County is 2,678.0 mi² (=6936.1 km²), in this year population density was 0.46 p/mi². If population growth rate would be same as in period 2010-2014 (-0.2%/yr), Harding County population in 2026 would be 1,215 [0].
Historical population of Harding County for period 1890-2014 [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

[1890-1910] +17.54 %/yr
[1910-1920] -0.67 %/yr
[1920-1930] -0.96 %/yr
[1930-1940] -1.74 %/yr
[1940-1950] -2.7 %/yr
[1950-1960] +0.35 %/yr
[1960-1970] -2.42 %/yr
[1970-1980] -0.87 %/yr
[1980-1990] -0.18 %/yr
[1990-2000] -2.08 %/yr
[2000-2005] -1.46 %/yr
[2005-2010] -0.03 %/yr
[2010-2014] -0.2 %/yr
Looking for settlements in Harding County? Visit this page: Settlements in Harding County, SD
Population of Harding County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 34 | 63 | 97 |
| 5 to 9 | 22 | 38 | 60 |
| 10 to 14 | 30 | 29 | 59 |
| 15 to 19 | 49 | 35 | 84 |
| 20 to 24 | 42 | 29 | 71 |
| 25 to 29 | 51 | 30 | 81 |
| 30 to 34 | 43 | 38 | 81 |
| 35 to 39 | 30 | 25 | 55 |
| 40 to 44 | 37 | 37 | 74 |
| 45 to 49 | 38 | 32 | 70 |
| 50 to 54 | 54 | 54 | 108 |
| 55 to 59 | 68 | 48 | 116 |
| 60 to 64 | 53 | 45 | 98 |
| 65 to 69 | 34 | 30 | 64 |
| 70 to 74 | 22 | 24 | 46 |
| 75 to 79 | 19 | 19 | 38 |
| 80 to 84 | 9 | 15 | 24 |
| 85+ | 13 | 11 | 24 |
Harding 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 | 635 | 589 | 1,224 |
| WAC | 623 | 590 | 1,213 |
| NHWAC | 613 | 578 | 1,191 |
| WA | 613 | 576 | 1,189 |
| NHWA | 603 | 568 | 1,171 |
| IAC | 23 | 22 | 45 |
| NHIAC | 21 | 18 | 39 |
| IA | 16 | 11 | 27 |
| H | 13 | 13 | 26 |
| NHIA | 14 | 10 | 24 |
| TOM | 10 | 14 | 24 |
| HWAC | 10 | 12 | 22 |
| NHTOM | 10 | 10 | 20 |
| HWA | 10 | 8 | 18 |
| BAC | 8 | 3 | 11 |
| NHBAC | 7 | 2 | 9 |
| BA | 7 | 0 | 7 |
| NHBA | 6 | 0 | 6 |
| NHAAC | 4 | 2 | 6 |
| AAC | 4 | 2 | 6 |
| HIAC | 2 | 4 | 6 |
| HTOM | 0 | 4 | 4 |
| NHAA | 2 | 1 | 3 |
| HIA | 2 | 1 | 3 |
| AA | 2 | 1 | 3 |
| HBAC | 1 | 1 | 2 |
| HBA | 1 | 0 | 1 |
| HNAC | 0 | 0 | 0 |
| HAAC | 0 | 0 | 0 |
| NHNAC | 0 | 0 | 0 |
| NHNA | 0 | 0 | 0 |
| NAC | 0 | 0 | 0 |
| NA | 0 | 0 | 0 |
| HNA | 0 | 0 | 0 |
| HAA | 0 | 0 | 0 |
• Meade County population
77.9 mi,
151°
• Lawrence County
87.7 mi,
190°
• Butte County
48.4 mi,
181°
• Bowman County
35.5 mi,
357°
• Perkins County
49.3 mi,
99°
• Fallon County
67 mi,
318°
• Hettinger County
75.9 mi,
40°
• Adams County
57 mi,
52°
• Carter County
50.7 mi,
263°
• Slope County
58.7 mi,
0°
[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 6 South Dakota Notes
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