Last official estimated population of Lewis County was 3,817 (year 2014)[1]. This was 0.001% of total US population and 0.2% of total Idaho state population. Area of Lewis County is 479.7 mi² (=1242.5 km²), in this year population density was 7.96 p/mi². If population growth rate would be same as in period 2010-2014 (-0.03%/yr), Lewis County population in 2024 would be 3,807 [0].
Historical population of Lewis County for period 1920-2014 [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
[1920-1930] -1.1 %/yr
[1930-1940] -1.15 %/yr
[1940-1950] -1.03 %/yr
[1950-1960] +0.5 %/yr
[1960-1970] -1.33 %/yr
[1970-1980] +0.63 %/yr
[1980-1990] -1.57 %/yr
[1990-2000] +0.63 %/yr
[2000-2005] -0.43 %/yr
[2005-2010] +0.84 %/yr
[2010-2014] -0.03 %/yr
Looking for settlements in Lewis County? Visit this page: Settlements in Lewis County, ID
Population of Lewis County by age groups male (M) and female (F)[1b]
Age Gr. | (M) | (F) | Total |
0 to 4 | 101 | 101 | 202 |
5 to 9 | 145 | 132 | 277 |
10 to 14 | 122 | 139 | 261 |
15 to 19 | 119 | 98 | 217 |
20 to 24 | 79 | 68 | 147 |
25 to 29 | 84 | 82 | 166 |
30 to 34 | 98 | 112 | 210 |
35 to 39 | 84 | 71 | 155 |
40 to 44 | 77 | 83 | 160 |
45 to 49 | 85 | 105 | 190 |
50 to 54 | 162 | 141 | 303 |
55 to 59 | 169 | 175 | 344 |
60 to 64 | 153 | 127 | 280 |
65 to 69 | 132 | 136 | 268 |
70 to 74 | 112 | 136 | 248 |
75 to 79 | 96 | 88 | 184 |
80 to 84 | 60 | 52 | 112 |
85+ | 48 | 66 | 114 |
Lewis 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 | 1852 | 1831 | 3,683 |
WAC | 1788 | 1772 | 3,560 |
WA | 1743 | 1711 | 3,454 |
NHWAC | 1723 | 1707 | 3,430 |
NHWA | 1678 | 1655 | 3,333 |
IAC | 142 | 152 | 294 |
NHIAC | 135 | 134 | 269 |
IA | 118 | 111 | 229 |
NHIA | 111 | 99 | 210 |
H | 74 | 81 | 155 |
HWAC | 65 | 65 | 130 |
HWA | 65 | 56 | 121 |
TOM | 48 | 61 | 109 |
NHTOM | 48 | 52 | 100 |
BAC | 23 | 16 | 39 |
NHBAC | 23 | 15 | 38 |
AAC | 16 | 21 | 37 |
NHAAC | 14 | 17 | 31 |
HIAC | 7 | 18 | 25 |
AA | 6 | 15 | 21 |
HIA | 7 | 12 | 19 |
NAC | 5 | 13 | 18 |
NHBA | 8 | 9 | 17 |
BA | 8 | 9 | 17 |
NHNAC | 5 | 11 | 16 |
NHAA | 4 | 11 | 15 |
HTOM | 0 | 9 | 9 |
NA | 3 | 5 | 8 |
NHNA | 3 | 5 | 8 |
HAA | 2 | 4 | 6 |
HAAC | 2 | 4 | 6 |
HNAC | 0 | 2 | 2 |
HBAC | 0 | 1 | 1 |
HBA | 0 | 0 | 0 |
HNA | 0 | 0 | 0 |
• Whitman County population
70.2 mi, 311°
• Nez Perce County
17.4 mi, 292°
• Latah County
42.8 mi, 340°
• Asotin County
38.6 mi, 264°
• Idaho County
53.1 mi, 120°
• Benewah County
68.6 mi, 351°
• Clearwater County
47.5 mi, 50°
• Wallowa County
57.5 mi, 219°
• Columbia County
71.2 mi, 273°
• Garfield County
54.7 mi, 284°
[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
*Nez Perce Idaho Notes
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