Last official estimated population of San Miguel County was 7,356 (year 2014)[1]. This was 0.002% of total US population and 0.1% of total Colorado state population. Area of San Miguel County is 1,288.8 mi² (=3337.9 km²), in this year population density was 5.71 p/mi². If population growth rate would be same as in period 2010-2014 (-0.01%/yr), San Miguel County population in 2024 would be 7,349 [0].
Historical population of San Miguel 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] +6.34 %/yr
[1900-1910] -1.34 %/yr
[1910-1920] +1.17 %/yr
[1920-1930] -8.45 %/yr
[1930-1940] +5.31 %/yr
[1940-1950] -3.03 %/yr
[1950-1960] +0.9 %/yr
[1960-1970] -4.04 %/yr
[1970-1980] +5.06 %/yr
[1980-1990] +1.36 %/yr
[1990-2000] +6.08 %/yr
[2000-2005] +1.48 %/yr
[2005-2010] +0.73 %/yr
[2010-2014] -0.01 %/yr
Looking for settlements in San Miguel County? Visit this page: Settlements in San Miguel County, CO
Population of San Miguel County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 197 | 168 | 365 |
| 5 to 9 | 256 | 225 | 481 |
| 10 to 14 | 201 | 214 | 415 |
| 15 to 19 | 173 | 179 | 352 |
| 20 to 24 | 166 | 178 | 344 |
| 25 to 29 | 348 | 327 | 675 |
| 30 to 34 | 334 | 288 | 622 |
| 35 to 39 | 294 | 284 | 578 |
| 40 to 44 | 336 | 301 | 637 |
| 45 to 49 | 362 | 288 | 650 |
| 50 to 54 | 343 | 273 | 616 |
| 55 to 59 | 331 | 302 | 633 |
| 60 to 64 | 360 | 294 | 654 |
| 65 to 69 | 236 | 177 | 413 |
| 70 to 74 | 128 | 84 | 212 |
| 75 to 79 | 42 | 44 | 86 |
| 80 to 84 | 27 | 31 | 58 |
| 85+ | 31 | 18 | 49 |
San Miguel 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 | 4034 | 3555 | 7,589 |
| WA | 3984 | 3486 | 7,470 |
| NH | 3769 | 3322 | 7,091 |
| NHWAC | 3688 | 3239 | 6,927 |
| NHWA | 3646 | 3181 | 6,827 |
| H | 396 | 353 | 749 |
| HWAC | 346 | 316 | 662 |
| HWA | 338 | 305 | 643 |
| IAC | 85 | 78 | 163 |
| TOM | 55 | 74 | 129 |
| AAC | 46 | 69 | 115 |
| NHAAC | 45 | 66 | 111 |
| NHTOM | 47 | 63 | 110 |
| IA | 63 | 44 | 107 |
| BAC | 51 | 41 | 92 |
| NHIAC | 44 | 45 | 89 |
| HIAC | 41 | 33 | 74 |
| AA | 26 | 45 | 71 |
| NHAA | 26 | 43 | 69 |
| NHBAC | 35 | 30 | 65 |
| HIA | 38 | 23 | 61 |
| BA | 35 | 23 | 58 |
| NHIA | 25 | 21 | 46 |
| NHBA | 23 | 12 | 35 |
| HBAC | 16 | 11 | 27 |
| HBA | 12 | 11 | 23 |
| HTOM | 8 | 11 | 19 |
| NAC | 4 | 9 | 13 |
| NHNAC | 4 | 8 | 12 |
| NA | 2 | 3 | 5 |
| NHNA | 2 | 2 | 4 |
| HAAC | 1 | 3 | 4 |
| HAA | 0 | 2 | 2 |
| HNAC | 0 | 1 | 1 |
| HNA | 0 | 1 | 1 |
• Mesa County population
69.8 mi, 
358°
• La Plata County
59.3 mi, 
147°
• Montrose County
28.9 mi, 
17°
• Delta County
66.3 mi, 
27°
• Montezuma County
47.3 mi, 
191°
• San Juan County
79.6 mi, 
249°
• Ouray County
37.2 mi, 
74°
• Dolores County
18.9 mi, 
197°
• Hinsdale County
60.8 mi, 
102°
• San Juan County
44.2 mi, 
110°
[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
*Ouray Colorado Notes
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