Population.us > Counties > Montana > Stillwater County

Population of Stillwater County

Last official estimated population of Stillwater County was 9,111 (year 2014)[1]. This was 0.003% of total US population and 0.9% of total Montana state population. Area of Stillwater County is 1,805.9 mi² (=4677.3 km²), in this year population density was 5.05 p/mi². If population growth rate would be same as in period 2010-2014 (-0.02%/yr), Stillwater County population in 2024 would be 9,096 [0].


Historical population

Historical population of Stillwater County for period 1920-2014 [1] , [2] , [3]:

Maps: Population, population density, population changes

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.

PopulationDensityChangesLegendsPosition

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Annual growth rate

[1920-1930] -1.97 %/yr
[1930-1940] -0.93 %/yr
[1940-1950] -0.5 %/yr
[1950-1960] +0.2 %/yr
[1960-1970] -1.75 %/yr
[1970-1980] +1.91 %/yr
[1980-1990] +1.56 %/yr
[1990-2000] +2.32 %/yr
[2000-2005] +0.62 %/yr
[2005-2010] +1.46 %/yr
[2010-2014] -0.02 %/yr

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Demography

Population of Stillwater County by age groups male (M) and female (F)[1b]

Age Gr. (M) (F) Total
0 to 4 217 213 430
5 to 9 306 260 566
10 to 14 323 310 633
15 to 19 296 262 558
20 to 24 216 186 402
25 to 29 177 163 340
30 to 34 216 237 453
35 to 39 249 256 505
40 to 44 274 252 526
45 to 49 276 291 567
50 to 54 354 368 722
55 to 59 434 423 857
60 to 64 441 423 864
65 to 69 353 311 664
70 to 74 252 245 497
75 to 79 170 137 307
80 to 84 110 100 210
85+ 72 117 189

Stillwater 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 4649 4465 9,114
NH 4584 4403 8,987
WA 4576 4370 8,946
NHWAC 4515 4330 8,845
NHWA 4453 4242 8,695
H 152 151 303
HWAC 134 135 269
HWA 123 128 251
IAC 105 108 213
NHIAC 83 97 180
TOM 77 99 176
NHTOM 65 91 156
IA 52 44 96
NHIA 40 36 76
AAC 26 47 73
NHAAC 23 43 66
BAC 30 35 65
NHBAC 24 27 51
AA 13 27 40
NHAA 12 26 38
HIAC 22 11 33
BA 16 13 29
HTOM 12 8 20
NHBA 12 8 20
HIA 12 8 20
HBAC 6 8 14
NAC 7 6 13
NHNAC 7 5 12
HBA 4 5 9
HAAC 3 4 7
NA 2 1 3
NHNA 2 0 2
HAA 1 1 2
HNAC 0 1 1
HNA 0 1 1

Counties near Stillwater County

Yellowstone County population 56.6 mi, 70°
Gallatin County 86.7 mi, 263°
Park County 81.3 mi, 187°
Park County 58 mi, 253°
Big Horn County 91.9 mi, 100°
Carbon County 34.6 mi, 150°
Musselshell County 73.9 mi, 37°
Sweet Grass County 29 mi, 291°
Wheatland County 62.2 mi, 338°
Golden Valley County 50.8 mi, 11°


Sources, notices

[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

*Yellowstone, Sweet Grass, Carbon Montana Notes

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