Population.us > Counties > Montana > Yellowstone County

Population of Yellowstone County

Last official estimated population of Yellowstone County was 148,398 (year 2014)[1]. This was 0.047% of total US population and 14.4% of total Montana state population. Area of Yellowstone County is 2,648.9 mi² (=6860.5 km²), in this year population density was 56.02 p/mi². If population growth rate would be same as in period 2010-2014 (+0.07%/yr), Yellowstone County population in 2025 would be 149,576 [0].

Historical population

Historical population of Yellowstone County for period 1890-2014 [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.

Population • Density • Changes • Legends • Position

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Annual growth rate

[1890-1900] +11.64 %/yr
[1900-1910] +13.96 %/yr
[1910-1920] +2.58 %/yr
[1920-1930] +0.39 %/yr
[1930-1940] +2.95 %/yr
[1940-1950] +3.1 %/yr
[1950-1960] +3.53 %/yr
[1960-1970] +1.01 %/yr
[1970-1980] +2.15 %/yr
[1980-1990] +0.49 %/yr
[1990-2000] +1.32 %/yr
[2000-2005] +1.25 %/yr
[2005-2010] +1.46 %/yr
[2010-2014] +0.07 %/yr

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Looking for settlements in Yellowstone County? Visit this page: Settlements in Yellowstone County, MT

Demography

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

Age Gr. (M) (F) Total
0 to 4 5065 4960 10,025
5 to 9 5435 5337 10,772
10 to 14 5024 5049 10,073
15 to 19 4759 4447 9,206
20 to 24 4961 5002 9,963
25 to 29 5306 5415 10,721
30 to 34 5455 5432 10,887
35 to 39 4822 4788 9,610
40 to 44 4727 4571 9,298
45 to 49 4535 4623 9,158
50 to 54 5346 5639 10,985
55 to 59 5506 5815 11,321
60 to 64 4826 4991 9,817
65 to 69 3689 3959 7,648
70 to 74 2602 2888 5,490
75 to 79 1763 2222 3,985
80 to 84 1291 1795 3,086
85+ 1239 2350 3,589

Yellowstone 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
NH 72252 75233 147,485
WAC 71701 74317 146,018
WA 69666 72352 142,018
NHWAC 68216 71022 139,238
NHWA 66396 69236 135,632
IAC 4575 4831 9,406
H 4099 4050 8,149
NHIAC 3950 4151 8,101
IA 3329 3602 6,931
HWAC 3485 3295 6,780
HWA 3270 3116 6,386
NHIA 2846 3048 5,894
TOM 2143 2077 4,220
NHTOM 1916 1883 3,799
BAC 1326 1012 2,338
NHBAC 1197 900 2,097
AAC 860 1176 2,036
NHAAC 773 1025 1,798
HIAC 625 680 1,305
BA 737 448 1,185
AA 412 762 1,174
NHBA 674 393 1,067
HIA 483 554 1,037
NHAA 374 648 1,022
HTOM 227 194 421
NAC 203 170 373
NHNAC 162 136 298
HBAC 129 112 241
HAAC 87 151 238
HAA 38 114 152
HBA 63 55 118
NA 64 42 106
HNAC 41 34 75
NHNA 46 25 71
HNA 18 17 35

Counties near Yellowstone County

• Big Horn County population 51.7 mi, 134°
• Carbon County 61.2 mi, 216°
• Rosebud County 78.9 mi, 78°
• Stillwater County 56.6 mi, 250°
• Musselshell County 40 mi, 348°
• Sweet Grass County 80.5 mi, 263°
• Wheatland County 84.9 mi, 297°
• Golden Valley County 52.8 mi, 305°
• Treasure County 51.3 mi, 68°
• Petroleum County 83.3 mi, 1°

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

*Custer, Gallatin Montana Notes

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