Last official estimated population of Sublette County was 10,231 (year 2014)[1]. This was 0.003% of total US population and 1.7% of total Wyoming state population. Area of Sublette County is 4,935.7 mi² (=12783.4 km²), in this year population density was 2.07 p/mi². If population growth rate would be same as in period 2010-2014 (-0.04%/yr), Sublette County population in 2026 would be 10,183 [0].
Historical population of Sublette County for period 1930-2014 [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

[1930-1940] +3.63 %/yr
[1940-1950] -1.12 %/yr
[1950-1960] +4.3 %/yr
[1960-1970] -0.06 %/yr
[1970-1980] +1.93 %/yr
[1980-1990] +0.63 %/yr
[1990-2000] +2.02 %/yr
[2000-2005] +4.91 %/yr
[2005-2010] +6.4 %/yr
[2010-2014] -0.04 %/yr
Looking for settlements in Sublette County? Visit this page: Settlements in Sublette County, WY
Population of Sublette County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 323 | 257 | 580 |
| 5 to 9 | 365 | 329 | 694 |
| 10 to 14 | 362 | 351 | 713 |
| 15 to 19 | 326 | 278 | 604 |
| 20 to 24 | 260 | 241 | 501 |
| 25 to 29 | 358 | 286 | 644 |
| 30 to 34 | 346 | 325 | 671 |
| 35 to 39 | 414 | 328 | 742 |
| 40 to 44 | 346 | 322 | 668 |
| 45 to 49 | 382 | 290 | 672 |
| 50 to 54 | 441 | 392 | 833 |
| 55 to 59 | 423 | 348 | 771 |
| 60 to 64 | 371 | 321 | 692 |
| 65 to 69 | 281 | 219 | 500 |
| 70 to 74 | 177 | 161 | 338 |
| 75 to 79 | 102 | 102 | 204 |
| 80 to 84 | 65 | 62 | 127 |
| 85+ | 54 | 49 | 103 |
Sublette 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 | 5190 | 4483 | 9,673 |
| WA | 5118 | 4413 | 9,531 |
| NH | 4928 | 4319 | 9,247 |
| NHWAC | 4756 | 4162 | 8,918 |
| NHWA | 4692 | 4106 | 8,798 |
| H | 468 | 342 | 810 |
| HWAC | 434 | 321 | 755 |
| HWA | 426 | 307 | 733 |
| IAC | 105 | 83 | 188 |
| BAC | 88 | 85 | 173 |
| AAC | 79 | 79 | 158 |
| NHBAC | 78 | 74 | 152 |
| NHAAC | 74 | 73 | 147 |
| TOM | 74 | 73 | 147 |
| NHIAC | 81 | 64 | 145 |
| BA | 66 | 68 | 134 |
| AA | 65 | 63 | 128 |
| NHAA | 62 | 61 | 123 |
| NHTOM | 65 | 57 | 122 |
| NHBA | 59 | 62 | 121 |
| IA | 68 | 43 | 111 |
| NHIA | 47 | 32 | 79 |
| HIAC | 24 | 19 | 43 |
| HIA | 21 | 11 | 32 |
| HTOM | 9 | 16 | 25 |
| HBAC | 10 | 11 | 21 |
| NAC | 12 | 7 | 19 |
| HBA | 7 | 6 | 13 |
| NHNAC | 7 | 6 | 13 |
| HAAC | 5 | 6 | 11 |
| HNAC | 5 | 1 | 6 |
| NA | 5 | 1 | 6 |
| HAA | 3 | 2 | 5 |
| NHNA | 3 | 1 | 4 |
| HNA | 2 | 0 | 2 |
• Bonneville County population
96.4 mi,
296°
• Sweetwater County
93.2 mi,
145°
• Fremont County
69.1 mi,
73°
• Teton County
92.1 mi,
343°
• Lincoln County
53.9 mi,
226°
• Teton County
94.6 mi,
316°
• Caribou County
82.6 mi,
270°
• Bear Lake County
79.2 mi,
245°
• Hot Springs County
99.4 mi,
48°
• Rich County
103.9 mi,
220°
[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
*Fremont, Lincoln Wyoming Notes
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