Last official estimated population of Cascade County was 81,506 (year 2014)[1]. This was 0.026% of total US population and 7.9% of total Montana state population. Area of Cascade County is 2,711.5 mi² (=7022.7 km²), in this year population density was 30.06 p/mi². If population growth rate would be same as in period 2010-2014 (+0.05%/yr), Cascade County population in 2026 would be 82,045 [0].
Historical population of Cascade 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] +11.4 %/yr
[1900-1910] +1.13 %/yr
[1910-1920] +3.02 %/yr
[1920-1930] +0.58 %/yr
[1930-1940] +0.21 %/yr
[1940-1950] +2.36 %/yr
[1950-1960] +3.31 %/yr
[1960-1970] +1.09 %/yr
[1970-1980] -0.14 %/yr
[1980-1990] -0.38 %/yr
[1990-2000] +0.34 %/yr
[2000-2005] -0.08 %/yr
[2005-2010] +0.32 %/yr
[2010-2014] +0.05 %/yr
Looking for settlements in Cascade County? Visit this page: Settlements in Cascade County, MT
Population of Cascade County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 2847 | 2709 | 5,556 |
| 5 to 9 | 2766 | 2541 | 5,307 |
| 10 to 14 | 2497 | 2321 | 4,818 |
| 15 to 19 | 2445 | 2293 | 4,738 |
| 20 to 24 | 3837 | 2945 | 6,782 |
| 25 to 29 | 3097 | 2873 | 5,970 |
| 30 to 34 | 2801 | 2633 | 5,434 |
| 35 to 39 | 2294 | 2124 | 4,418 |
| 40 to 44 | 2165 | 2079 | 4,244 |
| 45 to 49 | 2200 | 2316 | 4,516 |
| 50 to 54 | 2870 | 2864 | 5,734 |
| 55 to 59 | 2764 | 3013 | 5,777 |
| 60 to 64 | 2506 | 2646 | 5,152 |
| 65 to 69 | 2105 | 2121 | 4,226 |
| 70 to 74 | 1530 | 1732 | 3,262 |
| 75 to 79 | 1215 | 1416 | 2,631 |
| 80 to 84 | 838 | 1048 | 1,886 |
| 85+ | 714 | 1179 | 1,893 |
Cascade 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 | 39712 | 39247 | 78,959 |
| WAC | 38290 | 37768 | 76,058 |
| WA | 36888 | 36354 | 73,242 |
| NHWAC | 36798 | 36443 | 73,241 |
| NHWA | 35546 | 35202 | 70,748 |
| IAC | 2759 | 2897 | 5,656 |
| NHIAC | 2462 | 2560 | 5,022 |
| IA | 1845 | 1956 | 3,801 |
| NHIA | 1668 | 1748 | 3,416 |
| H | 1779 | 1606 | 3,385 |
| TOM | 1490 | 1511 | 3,001 |
| HWAC | 1492 | 1325 | 2,817 |
| NHTOM | 1322 | 1320 | 2,642 |
| HWA | 1342 | 1152 | 2,494 |
| BAC | 1230 | 924 | 2,154 |
| NHBAC | 1124 | 846 | 1,970 |
| AAC | 706 | 756 | 1,462 |
| BA | 854 | 564 | 1,418 |
| NHAAC | 643 | 706 | 1,349 |
| NHBA | 801 | 535 | 1,336 |
| AA | 359 | 425 | 784 |
| NHAA | 328 | 411 | 739 |
| HIAC | 297 | 337 | 634 |
| HIA | 177 | 208 | 385 |
| HTOM | 168 | 191 | 359 |
| NAC | 137 | 124 | 261 |
| NHNAC | 116 | 98 | 214 |
| HBAC | 106 | 78 | 184 |
| HAAC | 63 | 50 | 113 |
| NA | 55 | 43 | 98 |
| HBA | 53 | 29 | 82 |
| NHNA | 47 | 31 | 78 |
| HNAC | 21 | 26 | 47 |
| HAA | 31 | 14 | 45 |
| HNA | 8 | 12 | 20 |
• Lewis and Clark County population
50.3 mi,
254°
• Jefferson County
88.9 mi,
202°
• Powell County
81.2 mi,
246°
• Pondera County
74.9 mi,
327°
• Teton County
55.6 mi,
308°
• Chouteau County
58 mi,
47°
• Broadwater County
68.5 mi,
185°
• Liberty County
87.1 mi,
9°
• Judith Basin County
52.9 mi,
111°
• Meagher County
54.4 mi,
158°
[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
*Meagher, Chouteau, Lewis and Clark Montana Notes
Page generated in 0.008 seconds© 2016 population.us | Terms of use | Contact