Last official estimated population of Stevens County was 43,503 (year 2014)[1]. This was 0.014% of total US population and 0.6% of total Washington state population. Area of Stevens County is 2,540.7 mi² (=6580.4 km²), in this year population density was 17.12 p/mi². If population growth rate would be same as in period 2010-2014 (-0.02%/yr), Stevens County population in 2025 would be 43,426 [0].
Historical population of Stevens County for period 1860-2014 [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

[1860-1870] -3.01 %/yr
[1870-1880] +5.43 %/yr
[1880-1890] +13.3 %/yr
[1890-1900] +9.28 %/yr
[1900-1910] +9.15 %/yr
[1910-1920] -1.57 %/yr
[1920-1930] -1.51 %/yr
[1930-1940] +0.38 %/yr
[1940-1950] -0.37 %/yr
[1950-1960] -0.38 %/yr
[1960-1970] -0.27 %/yr
[1970-1980] +5.23 %/yr
[1980-1990] +0.66 %/yr
[1990-2000] +2.62 %/yr
[2000-2005] +0.75 %/yr
[2005-2010] +0.91 %/yr
[2010-2014] -0.02 %/yr
Looking for settlements in Stevens County? Visit this page: Settlements in Stevens County, WA
Population of Stevens County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 1162 | 1070 | 2,232 |
| 5 to 9 | 1294 | 1258 | 2,552 |
| 10 to 14 | 1488 | 1430 | 2,918 |
| 15 to 19 | 1545 | 1466 | 3,011 |
| 20 to 24 | 1104 | 980 | 2,084 |
| 25 to 29 | 906 | 830 | 1,736 |
| 30 to 34 | 938 | 976 | 1,914 |
| 35 to 39 | 1026 | 1160 | 2,186 |
| 40 to 44 | 1213 | 1183 | 2,396 |
| 45 to 49 | 1265 | 1330 | 2,595 |
| 50 to 54 | 1555 | 1681 | 3,236 |
| 55 to 59 | 1922 | 2046 | 3,968 |
| 60 to 64 | 1879 | 1909 | 3,788 |
| 65 to 69 | 1726 | 1578 | 3,304 |
| 70 to 74 | 1282 | 1181 | 2,463 |
| 75 to 79 | 804 | 771 | 1,575 |
| 80 to 84 | 419 | 471 | 890 |
| 85+ | 308 | 494 | 802 |
Stevens 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 | 21087 | 21040 | 42,127 |
| WAC | 20220 | 20155 | 40,375 |
| NHWAC | 19619 | 19519 | 39,138 |
| WA | 19569 | 19446 | 39,015 |
| NHWA | 19021 | 18862 | 37,883 |
| IAC | 1766 | 1746 | 3,512 |
| NHIAC | 1608 | 1591 | 3,199 |
| IA | 1301 | 1247 | 2,548 |
| NHIA | 1179 | 1127 | 2,306 |
| H | 749 | 774 | 1,523 |
| TOM | 703 | 751 | 1,454 |
| NHTOM | 646 | 698 | 1,344 |
| HWAC | 601 | 636 | 1,237 |
| HWA | 548 | 584 | 1,132 |
| AAC | 238 | 367 | 605 |
| NHAAC | 229 | 359 | 588 |
| BAC | 240 | 220 | 460 |
| NHBAC | 216 | 201 | 417 |
| AA | 94 | 223 | 317 |
| HIAC | 158 | 155 | 313 |
| NHAA | 92 | 217 | 309 |
| HIA | 122 | 120 | 242 |
| BA | 129 | 102 | 231 |
| NHBA | 120 | 100 | 220 |
| NAC | 91 | 92 | 183 |
| NHNAC | 75 | 83 | 158 |
| HTOM | 57 | 53 | 110 |
| NA | 40 | 45 | 85 |
| NHNA | 29 | 36 | 65 |
| HBAC | 24 | 19 | 43 |
| HNAC | 16 | 9 | 25 |
| HNA | 11 | 9 | 20 |
| HAAC | 9 | 8 | 17 |
| HBA | 9 | 2 | 11 |
| HAA | 2 | 6 | 8 |
• Spokane County population
57 mi,
158°
• Kootenai County
72.7 mi,
132°
• Okanogan County
84.6 mi,
277°
• Bonner County
56.5 mi,
94°
• Douglas County
96 mi,
242°
• Pend Oreille County
30.5 mi,
69°
• Boundary County
66.3 mi,
66°
• Lincoln County
61.5 mi,
205°
• Benewah County
98.7 mi,
144°
• Ferry County
31.7 mi,
280°
[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
See note 3 Washington Notes
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