Last official estimated population of Silver Bow County was 34,239 (year 2014)[1]. This was 0.011% of total US population and 3.3% of total Montana state population. Area of Silver Bow County is 718.6 mi² (=1861.1 km²), in this year population density was 47.65 p/mi². If population growth rate would be same as in period 2010-2014 (+0.03%/yr), Silver Bow County population in 2025 would be 34,346 [0].
Historical population of Silver Bow 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] +7.21 %/yr
[1900-1910] +1.78 %/yr
[1910-1920] +0.59 %/yr
[1920-1930] -0.57 %/yr
[1930-1940] -0.68 %/yr
[1940-1950] -0.94 %/yr
[1950-1960] -0.41 %/yr
[1960-1970] -1.01 %/yr
[1970-1980] -0.97 %/yr
[1980-1990] -1.15 %/yr
[1990-2000] +0.2 %/yr
[2000-2005] -0.71 %/yr
[2005-2010] +0.47 %/yr
[2010-2014] +0.03 %/yr
Looking for settlements in Silver Bow County? Visit this page: Settlements in Silver Bow County, MT
Population of Silver Bow County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 1004 | 1002 | 2,006 |
| 5 to 9 | 1006 | 922 | 1,928 |
| 10 to 14 | 1009 | 928 | 1,937 |
| 15 to 19 | 1166 | 1005 | 2,171 |
| 20 to 24 | 1698 | 1437 | 3,135 |
| 25 to 29 | 1108 | 872 | 1,980 |
| 30 to 34 | 1083 | 972 | 2,055 |
| 35 to 39 | 997 | 890 | 1,887 |
| 40 to 44 | 934 | 920 | 1,854 |
| 45 to 49 | 1064 | 1017 | 2,081 |
| 50 to 54 | 1231 | 1252 | 2,483 |
| 55 to 59 | 1371 | 1385 | 2,756 |
| 60 to 64 | 1191 | 1225 | 2,416 |
| 65 to 69 | 943 | 892 | 1,835 |
| 70 to 74 | 728 | 756 | 1,484 |
| 75 to 79 | 481 | 600 | 1,081 |
| 80 to 84 | 331 | 399 | 730 |
| 85+ | 246 | 615 | 861 |
Silver Bow 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 | 16919 | 16548 | 33,467 |
| NH | 16836 | 16376 | 33,212 |
| WA | 16537 | 16196 | 32,733 |
| NHWAC | 16260 | 15913 | 32,173 |
| NHWA | 15955 | 15647 | 31,602 |
| H | 755 | 713 | 1,468 |
| IAC | 689 | 611 | 1,300 |
| HWAC | 659 | 635 | 1,294 |
| HWA | 582 | 549 | 1,131 |
| NHIAC | 565 | 479 | 1,044 |
| TOM | 393 | 364 | 757 |
| IA | 398 | 342 | 740 |
| NHIA | 329 | 278 | 607 |
| NHTOM | 313 | 275 | 588 |
| AAC | 179 | 191 | 370 |
| NHAAC | 161 | 175 | 336 |
| BAC | 168 | 107 | 275 |
| HIAC | 124 | 132 | 256 |
| AA | 119 | 129 | 248 |
| NHAA | 115 | 126 | 241 |
| NHBAC | 141 | 82 | 223 |
| HTOM | 80 | 89 | 169 |
| BA | 114 | 52 | 166 |
| NHBA | 104 | 46 | 150 |
| HIA | 69 | 64 | 133 |
| NAC | 52 | 20 | 72 |
| HBAC | 27 | 25 | 52 |
| NHNAC | 35 | 15 | 50 |
| NA | 30 | 6 | 36 |
| HAAC | 18 | 16 | 34 |
| NHNA | 20 | 4 | 24 |
| HNAC | 17 | 5 | 22 |
| HBA | 10 | 6 | 16 |
| HNA | 10 | 2 | 12 |
| HAA | 4 | 3 | 7 |
• Gallatin County population
76.8 mi, 
109°
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85.7 mi, 
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280°
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32.9 mi, 
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• Deer Lodge County
26.9 mi, 
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• Beaverhead County
53.8 mi, 
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• Madison County
53.4 mi, 
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• Powell County
66.8 mi, 
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• Broadwater County
63.2 mi, 61°
• Granite County
50.4 mi, 
313°
[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
*Deer Lodge Montana Notes
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