Last official estimated population of Charles Mix County was 9,145 (year 2014)[1]. This was 0.003% of total US population and 1.1% of total South Dakota state population. Area of Charles Mix County is 1,150.2 mi² (=2979.1 km²), in this year population density was 7.95 p/mi². If population growth rate would be same as in period 2010-2014 (+0.04%/yr), Charles Mix County population in 2026 would be 9,193 [0].
Historical population of Charles Mix County for period 1870-2014 [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

[1870-1880] +10.35 %/yr
[1880-1890] +30.91 %/yr
[1890-1900] +3.51 %/yr
[1900-1910] +5.78 %/yr
[1910-1920] +0.88 %/yr
[1920-1930] +0.27 %/yr
[1930-1940] -2.14 %/yr
[1940-1950] +1.47 %/yr
[1950-1960] -2.74 %/yr
[1960-1970] -1.63 %/yr
[1970-1980] -0.32 %/yr
[1980-1990] -0.58 %/yr
[1990-2000] +0.24 %/yr
[2000-2005] -0.47 %/yr
[2005-2010] -0.01 %/yr
[2010-2014] +0.04 %/yr
Looking for settlements in Charles Mix County? Visit this page: Settlements in Charles Mix County, SD
Population of Charles Mix County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 440 | 360 | 800 |
| 5 to 9 | 374 | 412 | 786 |
| 10 to 14 | 362 | 357 | 719 |
| 15 to 19 | 348 | 349 | 697 |
| 20 to 24 | 274 | 247 | 521 |
| 25 to 29 | 240 | 224 | 464 |
| 30 to 34 | 256 | 230 | 486 |
| 35 to 39 | 226 | 231 | 457 |
| 40 to 44 | 205 | 227 | 432 |
| 45 to 49 | 265 | 236 | 501 |
| 50 to 54 | 297 | 307 | 604 |
| 55 to 59 | 319 | 314 | 633 |
| 60 to 64 | 265 | 255 | 520 |
| 65 to 69 | 217 | 222 | 439 |
| 70 to 74 | 184 | 200 | 384 |
| 75 to 79 | 148 | 161 | 309 |
| 80 to 84 | 123 | 147 | 270 |
| 85+ | 96 | 169 | 265 |
Charles Mix 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 | 4524 | 4535 | 9,059 |
| WAC | 3080 | 3115 | 6,195 |
| NHWAC | 3042 | 3055 | 6,097 |
| WA | 2958 | 2982 | 5,940 |
| NHWA | 2931 | 2937 | 5,868 |
| IAC | 1621 | 1600 | 3,221 |
| NHIAC | 1537 | 1537 | 3,074 |
| IA | 1519 | 1494 | 3,013 |
| NHIA | 1445 | 1445 | 2,890 |
| TOM | 134 | 141 | 275 |
| NHTOM | 122 | 123 | 245 |
| H | 115 | 113 | 228 |
| HIAC | 84 | 63 | 147 |
| HIA | 74 | 49 | 123 |
| HWAC | 38 | 60 | 98 |
| BAC | 46 | 46 | 92 |
| NHBAC | 42 | 39 | 81 |
| HWA | 27 | 45 | 72 |
| AAC | 28 | 30 | 58 |
| NHAAC | 28 | 27 | 55 |
| BA | 20 | 16 | 36 |
| NHBA | 19 | 16 | 35 |
| HTOM | 12 | 18 | 30 |
| AA | 7 | 15 | 22 |
| NHAA | 7 | 14 | 21 |
| HBAC | 4 | 7 | 11 |
| NAC | 2 | 7 | 9 |
| NHNAC | 1 | 7 | 8 |
| HAAC | 0 | 3 | 3 |
| HNAC | 1 | 0 | 1 |
| HBA | 1 | 0 | 1 |
| NA | 1 | 0 | 1 |
| HNA | 1 | 0 | 1 |
| HAA | 0 | 1 | 1 |
| NHNA | 0 | 0 | 0 |
• Davison County population
39.5 mi,
33°
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52.5 mi,
190°
• Hutchinson County
43.5 mi,
78°
• Bon Homme County
39 mi,
113°
• Brule County
44 mi,
325°
• Gregory County
30.6 mi,
266°
• Hanson County
51.7 mi,
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• Douglas County
17.5 mi,
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• Aurora County
35.8 mi,
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• Boyd County
23.3 mi,
202°
[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 3 South Dakota Notes
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