Last official estimated population of Spokane County was 472,019 (year 2014)[1]. This was 0.148% of total US population and 6.6% of total Washington state population. Area of Spokane County is 1,780.7 mi² (=4612 km²), in this year population density was 265.08 p/mi². If population growth rate would be same as in period 2010-2014 (+0.04%/yr), Spokane County population in 2026 would be 474,421 [0].
Historical population of Spokane County for period 1880-2014 [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

[1880-1890] +24.29 %/yr
[1890-1900] +4.38 %/yr
[1900-1910] +9.25 %/yr
[1910-1920] +0.13 %/yr
[1920-1930] +0.63 %/yr
[1930-1940] +0.9 %/yr
[1940-1950] +3.01 %/yr
[1950-1960] +2.31 %/yr
[1960-1970] +0.32 %/yr
[1970-1980] +1.75 %/yr
[1980-1990] +0.56 %/yr
[1990-2000] +1.47 %/yr
[2000-2005] +1.05 %/yr
[2005-2010] +1.36 %/yr
[2010-2014] +0.04 %/yr
Looking for settlements in Spokane County? Visit this page: Settlements in Spokane County, WA
Population of Spokane County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 15302 | 14479 | 29,781 |
| 5 to 9 | 15646 | 14843 | 30,489 |
| 10 to 14 | 15676 | 14546 | 30,222 |
| 15 to 19 | 16130 | 15490 | 31,620 |
| 20 to 24 | 19046 | 18060 | 37,106 |
| 25 to 29 | 19069 | 18109 | 37,178 |
| 30 to 34 | 16731 | 15806 | 32,537 |
| 35 to 39 | 14231 | 14069 | 28,300 |
| 40 to 44 | 14776 | 14413 | 29,189 |
| 45 to 49 | 14449 | 14641 | 29,090 |
| 50 to 54 | 16512 | 17112 | 33,624 |
| 55 to 59 | 16193 | 16989 | 33,182 |
| 60 to 64 | 14709 | 15759 | 30,468 |
| 65 to 69 | 11768 | 12772 | 24,540 |
| 70 to 74 | 8070 | 8951 | 17,021 |
| 75 to 79 | 5296 | 6381 | 11,677 |
| 80 to 84 | 3624 | 4972 | 8,596 |
| 85+ | 3337 | 6361 | 9,698 |
Spokane 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 | 227418 | 231578 | 458,996 |
| WAC | 224174 | 227971 | 452,145 |
| WA | 215755 | 219294 | 435,049 |
| NHWAC | 212534 | 217163 | 429,697 |
| NHWA | 205080 | 209447 | 414,527 |
| H | 13147 | 12175 | 25,322 |
| HWAC | 11640 | 10808 | 22,448 |
| HWA | 10675 | 9847 | 20,522 |
| TOM | 9023 | 9233 | 18,256 |
| AAC | 8130 | 9497 | 17,627 |
| NHAAC | 7680 | 9021 | 16,701 |
| NHTOM | 7965 | 8187 | 16,152 |
| BAC | 8697 | 6848 | 15,545 |
| IAC | 7588 | 7819 | 15,407 |
| NHBAC | 8029 | 6241 | 14,270 |
| NHIAC | 6158 | 6511 | 12,669 |
| AA | 4954 | 6346 | 11,300 |
| NHAA | 4763 | 6138 | 10,901 |
| BA | 5569 | 3700 | 9,269 |
| NHBA | 5253 | 3436 | 8,689 |
| IA | 4131 | 4138 | 8,269 |
| NHIA | 3315 | 3419 | 6,734 |
| NAC | 1938 | 1823 | 3,761 |
| NHNAC | 1749 | 1639 | 3,388 |
| HIAC | 1430 | 1308 | 2,738 |
| NA | 1133 | 1042 | 2,175 |
| HTOM | 1058 | 1046 | 2,104 |
| NHNA | 1042 | 951 | 1,993 |
| HIA | 816 | 719 | 1,535 |
| HBAC | 668 | 607 | 1,275 |
| HAAC | 450 | 476 | 926 |
| HBA | 316 | 264 | 580 |
| HAA | 191 | 208 | 399 |
| HNAC | 189 | 184 | 373 |
| HNA | 91 | 91 | 182 |
• Kootenai County population
33.2 mi,
83°
• Whitman County
49.7 mi,
187°
• Stevens County
57 mi,
338°
• Bonner County
60.5 mi,
36°
• Latah County
63.7 mi,
150°
• Adams County
66.9 mi,
230°
• Pend Oreille County
64.3 mi,
7°
• Shoshone County
73.3 mi,
104°
• Lincoln County
47.3 mi,
266°
• Benewah County
45.5 mi,
127°
[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 notes 1 and 3 Washington Notes
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