Last official estimated population of Pinal County was 385,738 (year 2014)[1]. This was 0.121% of total US population and 5.6% of total Arizona state population. Area of Pinal County is 5,374.3 mi² (=13919.3 km²), in this year population density was 71.77 p/mi². If population growth rate would be same as in period 2010-2014 (+0.66%/yr), Pinal County population in 2026 would be 417,257 [0].
Historical population of Pinal 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] +3.4 %/yr
[1890-1900] +6.23 %/yr
[1900-1910] +1.52 %/yr
[1910-1920] +5.96 %/yr
[1920-1930] +3.19 %/yr
[1930-1940] +2.71 %/yr
[1940-1950] +4.12 %/yr
[1950-1960] +3.79 %/yr
[1960-1970] +0.81 %/yr
[1970-1980] +2.96 %/yr
[1980-1990] +2.5 %/yr
[1990-2000] +4.43 %/yr
[2000-2005] +5.6 %/yr
[2005-2010] +9.78 %/yr
[2010-2014] +0.66 %/yr
Looking for settlements in Pinal County? Visit this page: Settlements in Pinal County, AZ
Population of Pinal County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 12285 | 11955 | 24,240 |
| 5 to 9 | 15248 | 14529 | 29,777 |
| 10 to 14 | 14361 | 13845 | 28,206 |
| 15 to 19 | 12864 | 11833 | 24,697 |
| 20 to 24 | 13421 | 9538 | 22,959 |
| 25 to 29 | 14618 | 10844 | 25,462 |
| 30 to 34 | 15721 | 12737 | 28,458 |
| 35 to 39 | 15062 | 12313 | 27,375 |
| 40 to 44 | 14412 | 11429 | 25,841 |
| 45 to 49 | 12302 | 10124 | 22,426 |
| 50 to 54 | 12116 | 11124 | 23,240 |
| 55 to 59 | 11045 | 12210 | 23,255 |
| 60 to 64 | 11002 | 12531 | 23,533 |
| 65 to 69 | 12341 | 13503 | 25,844 |
| 70 to 74 | 10027 | 10239 | 20,266 |
| 75 to 79 | 6714 | 6511 | 13,225 |
| 80 to 84 | 3863 | 3794 | 7,657 |
| 85+ | 2416 | 3041 | 5,457 |
Pinal 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 | 177594 | 166586 | 344,180 |
| WA | 172666 | 161668 | 334,334 |
| NH | 146363 | 138002 | 284,365 |
| NHWAC | 120934 | 118254 | 239,188 |
| NHWA | 117733 | 114923 | 232,656 |
| H | 63455 | 54098 | 117,553 |
| HWAC | 56660 | 48332 | 104,992 |
| HWA | 54933 | 46745 | 101,678 |
| IAC | 17956 | 14471 | 32,427 |
| IA | 15284 | 11983 | 27,267 |
| BAC | 13355 | 10947 | 24,302 |
| NHIAC | 12105 | 9784 | 21,889 |
| NHBAC | 11513 | 9055 | 20,568 |
| BA | 11137 | 8719 | 19,856 |
| NHIA | 10668 | 8363 | 19,031 |
| NHBA | 9842 | 7409 | 17,251 |
| TOM | 5611 | 5532 | 11,143 |
| AAC | 5294 | 5376 | 10,670 |
| HIAC | 5851 | 4687 | 10,538 |
| NHAAC | 4353 | 4449 | 8,802 |
| HIA | 4616 | 3620 | 8,236 |
| AA | 3766 | 3799 | 7,565 |
| NHTOM | 3729 | 3768 | 7,497 |
| NHAA | 3211 | 3277 | 6,488 |
| HBAC | 1842 | 1892 | 3,734 |
| HTOM | 1882 | 1764 | 3,646 |
| NAC | 1833 | 858 | 2,691 |
| HBA | 1295 | 1310 | 2,605 |
| NHNAC | 1523 | 591 | 2,114 |
| HAAC | 941 | 927 | 1,868 |
| NA | 1354 | 399 | 1,753 |
| NHNA | 1180 | 262 | 1,442 |
| HAA | 555 | 522 | 1,077 |
| HNAC | 310 | 267 | 577 |
| HNA | 174 | 137 | 311 |
• Maricopa County population
71.7 mi,
294°
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59.8 mi,
203°
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137.2 mi,
329°
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• Gila County
68.1 mi,
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• La Paz County
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• Greenlee County
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79°
[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
*Pima, Yavapai Arizona Notes
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