Last official estimated population of Iron County was 11,809 (year 2014)[1]. This was 0.004% of total US population and 0.1% of total Michigan state population. Area of Iron County is 1,211.2 mi² (=3137 km²), in this year population density was 9.75 p/mi². If population growth rate would be same as in period 2010-2014 (-0.02%/yr), Iron County population in 2026 would be 11,785 [0].
Historical population of Iron County for period 1890-2014 [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

[1890-1900] +7.33 %/yr
[1900-1910] +5.37 %/yr
[1910-1920] +3.84 %/yr
[1920-1930] -0.61 %/yr
[1930-1940] -0.27 %/yr
[1940-1950] -1.34 %/yr
[1950-1960] -0.29 %/yr
[1960-1970] -2.16 %/yr
[1970-1980] -0.13 %/yr
[1980-1990] -0.34 %/yr
[1990-2000] -0.03 %/yr
[2000-2005] -1.14 %/yr
[2005-2010] -0.95 %/yr
[2010-2014] -0.02 %/yr
Looking for settlements in Iron County? Visit this page: Settlements in Iron County, MI
Population of Iron County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 224 | 254 | 478 |
| 5 to 9 | 251 | 264 | 515 |
| 10 to 14 | 279 | 241 | 520 |
| 15 to 19 | 279 | 290 | 569 |
| 20 to 24 | 244 | 222 | 466 |
| 25 to 29 | 205 | 209 | 414 |
| 30 to 34 | 245 | 259 | 504 |
| 35 to 39 | 269 | 216 | 485 |
| 40 to 44 | 242 | 247 | 489 |
| 45 to 49 | 324 | 295 | 619 |
| 50 to 54 | 447 | 456 | 903 |
| 55 to 59 | 540 | 540 | 1,080 |
| 60 to 64 | 589 | 541 | 1,130 |
| 65 to 69 | 490 | 448 | 938 |
| 70 to 74 | 375 | 365 | 740 |
| 75 to 79 | 252 | 257 | 509 |
| 80 to 84 | 165 | 260 | 425 |
| 85+ | 207 | 396 | 603 |
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 |
| NH | 5549 | 5642 | 11,191 |
| WAC | 5527 | 5640 | 11,167 |
| WA | 5454 | 5550 | 11,004 |
| NHWAC | 5457 | 5534 | 10,991 |
| NHWA | 5386 | 5454 | 10,840 |
| IAC | 107 | 129 | 236 |
| NHIAC | 97 | 110 | 207 |
| H | 78 | 118 | 196 |
| HWAC | 70 | 106 | 176 |
| TOM | 77 | 91 | 168 |
| HWA | 68 | 96 | 164 |
| NHTOM | 75 | 81 | 156 |
| IA | 65 | 77 | 142 |
| NHIA | 57 | 65 | 122 |
| BAC | 51 | 45 | 96 |
| NHBAC | 51 | 43 | 94 |
| AAC | 19 | 41 | 60 |
| NHAAC | 19 | 40 | 59 |
| BA | 23 | 13 | 36 |
| NHBA | 23 | 13 | 36 |
| NHAA | 8 | 28 | 36 |
| AA | 8 | 28 | 36 |
| HIAC | 10 | 19 | 29 |
| HIA | 8 | 12 | 20 |
| HTOM | 2 | 10 | 12 |
| NHNAC | 3 | 1 | 4 |
| NAC | 3 | 1 | 4 |
| HBAC | 0 | 2 | 2 |
| HAAC | 0 | 1 | 1 |
| NHNA | 0 | 1 | 1 |
| NA | 0 | 1 | 1 |
| HNAC | 0 | 0 | 0 |
| HBA | 0 | 0 | 0 |
| HNA | 0 | 0 | 0 |
| 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
*Marquette; Menominee Michigan Notes
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