Last official estimated population of Weston County was 7,169 (year 2014)[1]. This was 0.002% of total US population and 1.2% of total Wyoming state population. Area of Weston County is 2,400.0 mi² (=6216.1 km²), in this year population density was 2.99 p/mi². If population growth rate would be same as in period 2010-2014 (-0.14%/yr), Weston County population in 2024 would be 7,072 [0].
Historical population of Weston 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] +2.83 %/yr
[1900-1910] +4.47 %/yr
[1910-1920] -0.68 %/yr
[1920-1930] +0.09 %/yr
[1930-1940] +0.59 %/yr
[1940-1950] +3.11 %/yr
[1950-1960] +1.65 %/yr
[1960-1970] -2.26 %/yr
[1970-1980] +1.2 %/yr
[1980-1990] -0.86 %/yr
[1990-2000] +0.19 %/yr
[2000-2005] -0.15 %/yr
[2005-2010] +1.8 %/yr
[2010-2014] -0.14 %/yr
Looking for settlements in Weston County? Visit this page: Settlements in Weston County, WY
Population of Weston County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 212 | 256 | 468 |
| 5 to 9 | 197 | 197 | 394 |
| 10 to 14 | 220 | 208 | 428 |
| 15 to 19 | 227 | 185 | 412 |
| 20 to 24 | 233 | 156 | 389 |
| 25 to 29 | 239 | 172 | 411 |
| 30 to 34 | 249 | 215 | 464 |
| 35 to 39 | 244 | 183 | 427 |
| 40 to 44 | 236 | 163 | 399 |
| 45 to 49 | 216 | 195 | 411 |
| 50 to 54 | 313 | 256 | 569 |
| 55 to 59 | 303 | 284 | 587 |
| 60 to 64 | 299 | 243 | 542 |
| 65 to 69 | 215 | 199 | 414 |
| 70 to 74 | 140 | 152 | 292 |
| 75 to 79 | 109 | 137 | 246 |
| 80 to 84 | 61 | 89 | 150 |
| 85+ | 77 | 121 | 198 |
Weston 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 | 3673 | 3318 | 6,991 |
| NH | 3612 | 3284 | 6,896 |
| WA | 3591 | 3248 | 6,839 |
| NHWAC | 3517 | 3201 | 6,718 |
| NHWA | 3445 | 3146 | 6,591 |
| H | 178 | 127 | 305 |
| HWAC | 156 | 117 | 273 |
| HWA | 146 | 102 | 248 |
| IAC | 118 | 90 | 208 |
| NHIAC | 99 | 74 | 173 |
| TOM | 84 | 73 | 157 |
| NHTOM | 73 | 58 | 131 |
| IA | 71 | 53 | 124 |
| NHIA | 59 | 46 | 105 |
| BAC | 53 | 45 | 98 |
| NHBAC | 45 | 37 | 82 |
| AAC | 27 | 30 | 57 |
| NHAAC | 23 | 29 | 52 |
| BA | 30 | 21 | 51 |
| NHBA | 24 | 18 | 42 |
| HIAC | 19 | 16 | 35 |
| AA | 13 | 16 | 29 |
| NHAA | 11 | 16 | 27 |
| HTOM | 11 | 15 | 26 |
| HIA | 12 | 7 | 19 |
| HBAC | 8 | 8 | 16 |
| HBA | 6 | 3 | 9 |
| NAC | 4 | 2 | 6 |
| HAAC | 4 | 1 | 5 |
| NHNAC | 2 | 2 | 4 |
| HNAC | 2 | 0 | 2 |
| HAA | 2 | 0 | 2 |
| NA | 1 | 0 | 1 |
| HNA | 1 | 0 | 1 |
| NHNA | 0 | 0 | 0 |
• Pennington County population
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• Crook County
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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
*Crook Wyoming Notes
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