Last official estimated population of Guthrie County was 10,943 (year 2014)[1]. This was 0.003% of total US population and 0.4% of total Iowa state population. Area of Guthrie County is 593.1 mi² (=1536.1 km²), in this year population density was 18.45 p/mi². If population growth rate would be same as in period 2010-2014 (-0.03%/yr), Guthrie County population in 2024 would be 10,916 [0].
Historical population of Guthrie 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] +8.73 %/yr
[1870-1880] +7.38 %/yr
[1880-1890] +1.9 %/yr
[1890-1900] +0.75 %/yr
[1900-1910] -0.75 %/yr
[1910-1920] +0.13 %/yr
[1920-1930] -0.16 %/yr
[1930-1940] -0.07 %/yr
[1940-1950] -1.24 %/yr
[1950-1960] -1.1 %/yr
[1960-1970] -1.05 %/yr
[1970-1980] -0.21 %/yr
[1980-1990] -0.91 %/yr
[1990-2000] +0.37 %/yr
[2000-2005] -0.18 %/yr
[2005-2010] -0.53 %/yr
[2010-2014] -0.03 %/yr
Looking for settlements in Guthrie County? Visit this page: Settlements in Guthrie County, IA
Population of Guthrie County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 258 | 309 | 567 |
| 5 to 9 | 310 | 300 | 610 |
| 10 to 14 | 387 | 360 | 747 |
| 15 to 19 | 377 | 315 | 692 |
| 20 to 24 | 259 | 234 | 493 |
| 25 to 29 | 244 | 205 | 449 |
| 30 to 34 | 280 | 280 | 560 |
| 35 to 39 | 297 | 256 | 553 |
| 40 to 44 | 298 | 304 | 602 |
| 45 to 49 | 322 | 329 | 651 |
| 50 to 54 | 427 | 408 | 835 |
| 55 to 59 | 408 | 406 | 814 |
| 60 to 64 | 427 | 391 | 818 |
| 65 to 69 | 330 | 334 | 664 |
| 70 to 74 | 247 | 279 | 526 |
| 75 to 79 | 205 | 213 | 418 |
| 80 to 84 | 143 | 201 | 344 |
| 85+ | 121 | 258 | 379 |
Guthrie 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 | 5279 | 5331 | 10,610 |
| WA | 5227 | 5282 | 10,509 |
| NH | 5200 | 5271 | 10,471 |
| NHWAC | 5143 | 5224 | 10,367 |
| NHWA | 5092 | 5181 | 10,273 |
| H | 140 | 111 | 251 |
| HWAC | 136 | 107 | 243 |
| HWA | 135 | 101 | 236 |
| TOM | 56 | 50 | 106 |
| NHTOM | 55 | 44 | 99 |
| BAC | 50 | 34 | 84 |
| NHBAC | 50 | 30 | 80 |
| IAC | 37 | 33 | 70 |
| NHIAC | 34 | 31 | 65 |
| AAC | 29 | 32 | 61 |
| NHAAC | 27 | 29 | 56 |
| AA | 16 | 23 | 39 |
| NHAA | 15 | 20 | 35 |
| IA | 17 | 15 | 32 |
| NHBA | 22 | 9 | 31 |
| BA | 22 | 9 | 31 |
| NHIA | 14 | 15 | 29 |
| NAC | 3 | 4 | 7 |
| HTOM | 1 | 6 | 7 |
| NHNAC | 3 | 3 | 6 |
| HIAC | 3 | 2 | 5 |
| NA | 2 | 3 | 5 |
| HAAC | 2 | 3 | 5 |
| NHNA | 2 | 2 | 4 |
| HAA | 1 | 3 | 4 |
| HBAC | 0 | 4 | 4 |
| HIA | 3 | 0 | 3 |
| HNAC | 0 | 1 | 1 |
| HNA | 0 | 1 | 1 |
| HBA | 0 | 0 | 0 |
• Dallas County population
23.8 mi, 
89°
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38 mi, 
49°
• Carroll County
31 mi, 
322°
• Madison County
35 mi, 
134°
• Cass County
32.9 mi, 
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• Shelby County
41.7 mi, 
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• Greene County
25.5 mi, 
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• Adair County
24.6 mi, 
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• Audubon County
20.8 mi, 269°
• Adams County
46.8 mi, 
192°
[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
*Pottawattamie Iowa Notes
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