Last official estimated population of Pocahontas County was 7,284 (year 2014)[1]. This was 0.002% of total US population and 0.2% of total Iowa state population. Area of Pocahontas County is 578.7 mi² (=1498.7 km²), in this year population density was 12.59 p/mi². If population growth rate would be same as in period 2010-2014 (-0.09%/yr), Pocahontas County population in 2026 would be 7,207 [0].
Historical population of Pocahontas County for period 1860-2014 [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
[1860-1870] +30.24 %/yr
[1870-1880] +9.89 %/yr
[1880-1890] +9.91 %/yr
[1890-1900] +4.85 %/yr
[1900-1910] -0.35 %/yr
[1910-1920] +0.52 %/yr
[1920-1930] +0.05 %/yr
[1930-1940] +0.36 %/yr
[1940-1950] -0.48 %/yr
[1950-1960] -0.85 %/yr
[1960-1970] -1.11 %/yr
[1970-1980] -1.12 %/yr
[1980-1990] -1.75 %/yr
[1990-2000] -0.94 %/yr
[2000-2005] -1.99 %/yr
[2005-2010] -1.38 %/yr
[2010-2014] -0.09 %/yr
Looking for settlements in Pocahontas County? Visit this page: Settlements in Pocahontas County, IA
Population of Pocahontas County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 206 | 200 | 406 |
| 5 to 9 | 230 | 243 | 473 |
| 10 to 14 | 247 | 213 | 460 |
| 15 to 19 | 210 | 205 | 415 |
| 20 to 24 | 190 | 178 | 368 |
| 25 to 29 | 152 | 139 | 291 |
| 30 to 34 | 170 | 168 | 338 |
| 35 to 39 | 185 | 164 | 349 |
| 40 to 44 | 163 | 157 | 320 |
| 45 to 49 | 200 | 203 | 403 |
| 50 to 54 | 288 | 308 | 596 |
| 55 to 59 | 341 | 276 | 617 |
| 60 to 64 | 250 | 257 | 507 |
| 65 to 69 | 209 | 183 | 392 |
| 70 to 74 | 164 | 188 | 352 |
| 75 to 79 | 151 | 172 | 323 |
| 80 to 84 | 85 | 138 | 223 |
| 85+ | 117 | 188 | 305 |
Pocahontas 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 |
| WAC | 3487 | 3516 | 7,003 |
| WA | 3441 | 3478 | 6,919 |
| NH | 3436 | 3458 | 6,894 |
| NHWAC | 3380 | 3405 | 6,785 |
| NHWA | 3337 | 3372 | 6,709 |
| H | 122 | 122 | 244 |
| HWAC | 107 | 111 | 218 |
| HWA | 104 | 106 | 210 |
| BAC | 63 | 46 | 109 |
| NHBAC | 58 | 43 | 101 |
| TOM | 48 | 39 | 87 |
| NHTOM | 45 | 34 | 79 |
| BA | 35 | 32 | 67 |
| IAC | 33 | 31 | 64 |
| NHBA | 33 | 30 | 63 |
| NHIAC | 22 | 20 | 42 |
| IA | 22 | 13 | 35 |
| AAC | 12 | 21 | 33 |
| NHAAC | 12 | 20 | 32 |
| HIAC | 11 | 11 | 22 |
| HIA | 11 | 8 | 19 |
| NAC | 11 | 7 | 18 |
| NHIA | 11 | 5 | 16 |
| NA | 9 | 6 | 15 |
| NHNAC | 9 | 6 | 15 |
| AA | 3 | 12 | 15 |
| NHAA | 3 | 12 | 15 |
| NHNA | 7 | 5 | 12 |
| HBAC | 5 | 3 | 8 |
| HTOM | 3 | 5 | 8 |
| HBA | 2 | 2 | 4 |
| HNAC | 2 | 1 | 3 |
| HNA | 2 | 1 | 3 |
| HAAC | 0 | 1 | 1 |
| HAA | 0 | 0 | 0 |
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[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
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