Population.us > Counties > South Dakota > Clay County

Population of Clay County

Last official estimated population of Clay County was 13,846 (year 2014)[1]. This was 0.004% of total US population and 1.6% of total South Dakota state population. Area of Clay County is 417.2 mi² (=1080.6 km²), in this year population density was 33.19 p/mi². If population growth rate would be same as in period 2010-2014 (-0.03%/yr), Clay County population in 2024 would be 13,801 [0].


Historical population

Historical population of Clay County for period 1870-2014 [1] , [2] , [3]:

Maps: Population, population density, population changes

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.

PopulationDensityChangesLegendsPosition

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Annual growth rate

[1870-1880] +6.67 %/yr
[1880-1890] +4.15 %/yr
[1890-1900] +2.18 %/yr
[1900-1910] -0.67 %/yr
[1910-1920] +1.03 %/yr
[1920-1930] +0.44 %/yr
[1930-1940] -0.5 %/yr
[1940-1950] +1.37 %/yr
[1950-1960] -0.17 %/yr
[1960-1970] +1.8 %/yr
[1970-1980] +0.58 %/yr
[1980-1990] -0.37 %/yr
[1990-2000] +0.26 %/yr
[2000-2005] -0.03 %/yr
[2005-2010] +0.51 %/yr
[2010-2014] -0.03 %/yr

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Demography

Population of Clay County by age groups male (M) and female (F)[1b]

Age Gr. (M) (F) Total
0 to 4 413 381 794
5 to 9 359 324 683
10 to 14 313 352 665
15 to 19 717 917 1,634
20 to 24 1542 1587 3,129
25 to 29 520 448 968
30 to 34 400 369 769
35 to 39 312 310 622
40 to 44 289 266 555
45 to 49 293 310 603
50 to 54 304 329 633
55 to 59 354 319 673
60 to 64 339 308 647
65 to 69 270 221 491
70 to 74 175 171 346
75 to 79 113 152 265
80 to 84 79 123 202
85+ 73 180 253

Clay 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 6675 6869 13,544
WAC 6377 6566 12,943
WA 6242 6423 12,665
NHWAC 6217 6401 12,618
NHWA 6095 6270 12,365
IAC 265 332 597
NHIAC 235 299 534
IA 179 244 423
H 190 198 388
NHIA 161 223 384
AAC 175 178 353
NHAAC 175 172 347
BAC 197 146 343
HWAC 160 165 325
NHBAC 184 138 322
TOM 153 155 308
HWA 147 153 300
AA 148 151 299
NHAA 148 147 295
NHTOM 137 139 276
BA 140 89 229
NHBA 132 87 219
HIAC 30 33 63
HIA 18 21 39
HTOM 16 16 32
NAC 13 10 23
HBAC 13 8 21
NHNAC 10 7 17
HBA 8 2 10
NA 3 5 8
HNAC 3 3 6
HAAC 0 6 6
NHNA 2 3 5
HAA 0 4 4
HNA 1 2 3

Counties near Clay County

Lincoln County population 28.3 mi, 27°
Sioux County 42.1 mi, 74°
Plymouth County 40.7 mi, 107°
Yankton County 21.5 mi, 286°
Dakota County 42 mi, 149°
Union County 17.7 mi, 109°
Cedar County 25.7 mi, 213°
Turner County 28.4 mi, 342°
Bon Homme County 46 mi, 276°
Dixon County 30.4 mi, 168°


Sources, notices

[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

South Dakota Notes

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