Last official estimated population of Iron County was 46,264 (year 2014)[1]. This was 0.015% of total US population and 1.5% of total Utah state population. Area of Iron County is 3,300.8 mi² (=8549 km²), in this year population density was 14.02 p/mi². If population growth rate would be same as in period 2010-2014 (+0.05%/yr), Iron County population in 2024 would be 46,517 [0].
Historical population of Iron County for period 1850-2014 [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
[1850-1860] +10.87 %/yr
[1860-1870] +8.47 %/yr
[1870-1880] +5.83 %/yr
[1880-1890] -3.95 %/yr
[1890-1900] +2.83 %/yr
[1900-1910] +1.04 %/yr
[1910-1920] +3.94 %/yr
[1920-1930] +2.25 %/yr
[1930-1940] +1.43 %/yr
[1940-1950] +1.47 %/yr
[1950-1960] +1.14 %/yr
[1960-1970] +1.21 %/yr
[1970-1980] +3.6 %/yr
[1980-1990] +1.83 %/yr
[1990-2000] +4.98 %/yr
[2000-2005] +3.2 %/yr
[2005-2010] +3.14 %/yr
[2010-2014] +0.05 %/yr
Looking for settlements in Iron County? Visit this page: Settlements in Iron County, UT
Population of Iron County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 2109 | 1861 | 3,970 |
| 5 to 9 | 1958 | 1882 | 3,840 |
| 10 to 14 | 1884 | 1858 | 3,742 |
| 15 to 19 | 1948 | 2255 | 4,203 |
| 20 to 24 | 2788 | 2845 | 5,633 |
| 25 to 29 | 1657 | 1460 | 3,117 |
| 30 to 34 | 1581 | 1517 | 3,098 |
| 35 to 39 | 1442 | 1408 | 2,850 |
| 40 to 44 | 1203 | 1194 | 2,397 |
| 45 to 49 | 1018 | 1111 | 2,129 |
| 50 to 54 | 1135 | 1100 | 2,235 |
| 55 to 59 | 1167 | 1243 | 2,410 |
| 60 to 64 | 1090 | 1148 | 2,238 |
| 65 to 69 | 925 | 921 | 1,846 |
| 70 to 74 | 700 | 764 | 1,464 |
| 75 to 79 | 517 | 467 | 984 |
| 80 to 84 | 320 | 323 | 643 |
| 85+ | 185 | 285 | 470 |
Iron 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 | 22516 | 22515 | 45,031 |
| WA | 22075 | 22062 | 44,137 |
| NH | 21650 | 21704 | 43,354 |
| NHWAC | 20753 | 20781 | 41,534 |
| NHWA | 20394 | 20399 | 40,793 |
| H | 1977 | 1938 | 3,915 |
| HWAC | 1763 | 1734 | 3,497 |
| HWA | 1681 | 1663 | 3,344 |
| IAC | 758 | 793 | 1,551 |
| NHIAC | 578 | 621 | 1,199 |
| IA | 569 | 620 | 1,189 |
| TOM | 479 | 477 | 956 |
| NHIA | 439 | 485 | 924 |
| NHTOM | 390 | 400 | 790 |
| AAC | 355 | 396 | 751 |
| NHAAC | 305 | 351 | 656 |
| BAC | 311 | 251 | 562 |
| AA | 205 | 245 | 450 |
| NHBAC | 253 | 194 | 447 |
| NHAA | 173 | 219 | 392 |
| NAC | 188 | 193 | 381 |
| BA | 210 | 142 | 352 |
| HIAC | 180 | 172 | 352 |
| NHNAC | 166 | 181 | 347 |
| NHBA | 172 | 110 | 282 |
| HIA | 130 | 135 | 265 |
| NA | 89 | 96 | 185 |
| NHNA | 82 | 91 | 173 |
| HTOM | 89 | 77 | 166 |
| HBAC | 58 | 57 | 115 |
| HAAC | 50 | 45 | 95 |
| HBA | 38 | 32 | 70 |
| HAA | 32 | 26 | 58 |
| HNAC | 22 | 12 | 34 |
| HNA | 7 | 5 | 12 |
• Washington County population
45.8 mi, 
192°
• Sevier County
99.6 mi, 
54°
• Millard County
82.7 mi, 
351°
• Juab County
127.8 mi, 
12°
• Kane County
92.7 mi, 
118°
• Beaver County
31.2 mi, 6°
• Lincoln County
87.1 mi, 
257°
• Garfield County
101.4 mi, 
93°
• Wayne County
128.2 mi, 
79°
• Piute County
70.5 mi, 
65°
[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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