Last official estimated population of Davison County was 19,515 (year 2014)[1]. This was 0.006% of total US population and 2.3% of total South Dakota state population. Area of Davison County is 436.9 mi² (=1131.6 km²), in this year population density was 44.66 p/mi². If population growth rate would be same as in period 2010-2014 (+0.01%/yr), Davison County population in 2026 would be 19,548 [0].
Historical population of Davison County for period 1880-2014 [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
[1880-1890] +15.81 %/yr
[1890-1900] +3.22 %/yr
[1900-1910] +4.5 %/yr
[1910-1920] +1.98 %/yr
[1920-1930] +1.75 %/yr
[1930-1940] -0.92 %/yr
[1940-1950] +0.75 %/yr
[1950-1960] +0.1 %/yr
[1960-1970] +0.38 %/yr
[1970-1980] +0.29 %/yr
[1980-1990] -0.18 %/yr
[1990-2000] +0.69 %/yr
[2000-2005] +0.41 %/yr
[2005-2010] +0.39 %/yr
[2010-2014] +0.01 %/yr
Looking for settlements in Davison County? Visit this page: Settlements in Davison County, SD
Population of Davison County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 632 | 611 | 1,243 |
| 5 to 9 | 730 | 644 | 1,374 |
| 10 to 14 | 608 | 582 | 1,190 |
| 15 to 19 | 708 | 644 | 1,352 |
| 20 to 24 | 820 | 682 | 1,502 |
| 25 to 29 | 687 | 607 | 1,294 |
| 30 to 34 | 653 | 571 | 1,224 |
| 35 to 39 | 580 | 554 | 1,134 |
| 40 to 44 | 538 | 491 | 1,029 |
| 45 to 49 | 561 | 519 | 1,080 |
| 50 to 54 | 699 | 702 | 1,401 |
| 55 to 59 | 675 | 710 | 1,385 |
| 60 to 64 | 616 | 606 | 1,222 |
| 65 to 69 | 420 | 459 | 879 |
| 70 to 74 | 316 | 384 | 700 |
| 75 to 79 | 269 | 337 | 606 |
| 80 to 84 | 211 | 308 | 519 |
| 85+ | 201 | 550 | 751 |
Davison 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 | 9671 | 9743 | 19,414 |
| WAC | 9456 | 9508 | 18,964 |
| WA | 9323 | 9392 | 18,715 |
| NHWAC | 9225 | 9337 | 18,562 |
| NHWA | 9102 | 9233 | 18,335 |
| IAC | 370 | 359 | 729 |
| NHIAC | 352 | 328 | 680 |
| IA | 280 | 271 | 551 |
| NHIA | 270 | 248 | 518 |
| H | 253 | 218 | 471 |
| HWAC | 231 | 171 | 402 |
| HWA | 221 | 159 | 380 |
| BAC | 174 | 128 | 302 |
| TOM | 156 | 131 | 287 |
| NHBAC | 166 | 101 | 267 |
| NHTOM | 145 | 118 | 263 |
| BA | 116 | 86 | 202 |
| NHBA | 111 | 63 | 174 |
| AAC | 77 | 91 | 168 |
| NHAAC | 75 | 88 | 163 |
| AA | 41 | 68 | 109 |
| NHAA | 40 | 68 | 108 |
| HIAC | 18 | 31 | 49 |
| NAC | 18 | 19 | 37 |
| HBAC | 8 | 27 | 35 |
| HIA | 10 | 23 | 33 |
| NHNAC | 12 | 18 | 30 |
| HBA | 5 | 23 | 28 |
| HTOM | 11 | 13 | 24 |
| NA | 8 | 13 | 21 |
| NHNA | 3 | 13 | 16 |
| HNAC | 6 | 1 | 7 |
| HNA | 5 | 0 | 5 |
| HAAC | 2 | 3 | 5 |
| HAA | 1 | 0 | 1 |
• Charles Mix County population
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213°
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31.3 mi, 
139°
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39.7 mi, 
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46.9 mi, 
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• Hanson County
17.9 mi, 89°
• Douglas County
22.4 mi, 206°
• Aurora County
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• Miner County
36.1 mi, 
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• Sanborn County
23.7 mi, 
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• Jerauld County
35.2 mi, 
318°
[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
*Buffalo South Dakota Notes
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