Last official estimated population of Lewis County was 27,067 (year 2014)[1]. This was 0.008% of total US population and 0.1% of total New York state population. Area of Lewis County is 1,289.9 mi² (=3340.9 km²), in this year population density was 20.98 p/mi². If population growth rate would be same as in period 2010-2014 (-0.02%/yr), Lewis County population in 2026 would be 27,007 [0].
Historical population of Lewis County for period 1810-2014 [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

[1810-1820] +3.67 %/yr
[1820-1830] +5.15 %/yr
[1830-1840] +1.58 %/yr
[1840-1850] +3.26 %/yr
[1850-1860] +1.53 %/yr
[1860-1870] +0.04 %/yr
[1870-1880] +0.91 %/yr
[1880-1890] -0.52 %/yr
[1890-1900] -0.83 %/yr
[1900-1910] -0.98 %/yr
[1910-1920] -0.47 %/yr
[1920-1930] -0.11 %/yr
[1930-1940] -0.27 %/yr
[1940-1950] -0.13 %/yr
[1950-1960] +0.32 %/yr
[1960-1970] +0.17 %/yr
[1970-1980] +0.57 %/yr
[1980-1990] +0.68 %/yr
[1990-2000] +0.06 %/yr
[2000-2005] -0.13 %/yr
[2005-2010] +0.23 %/yr
[2010-2014] -0.02 %/yr
Looking for settlements in Lewis County? Visit this page: Settlements in Lewis County, NY
Population of Lewis County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 880 | 836 | 1,716 |
| 5 to 9 | 923 | 820 | 1,743 |
| 10 to 14 | 904 | 902 | 1,806 |
| 15 to 19 | 902 | 877 | 1,779 |
| 20 to 24 | 842 | 767 | 1,609 |
| 25 to 29 | 781 | 706 | 1,487 |
| 30 to 34 | 796 | 784 | 1,580 |
| 35 to 39 | 752 | 739 | 1,491 |
| 40 to 44 | 834 | 785 | 1,619 |
| 45 to 49 | 889 | 833 | 1,722 |
| 50 to 54 | 1128 | 1066 | 2,194 |
| 55 to 59 | 1109 | 1048 | 2,157 |
| 60 to 64 | 894 | 892 | 1,786 |
| 65 to 69 | 709 | 664 | 1,373 |
| 70 to 74 | 526 | 539 | 1,065 |
| 75 to 79 | 387 | 438 | 825 |
| 80 to 84 | 291 | 357 | 648 |
| 85+ | 237 | 383 | 620 |
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 | 13504 | 13248 | 26,752 |
| WAC | 13528 | 13201 | 26,729 |
| WA | 13393 | 13058 | 26,451 |
| NHWAC | 13286 | 13037 | 26,323 |
| NHWA | 13164 | 12907 | 26,071 |
| H | 280 | 188 | 468 |
| HWAC | 242 | 164 | 406 |
| BAC | 204 | 189 | 393 |
| HWA | 229 | 151 | 380 |
| NHBAC | 181 | 170 | 351 |
| TOM | 145 | 153 | 298 |
| NHTOM | 132 | 140 | 272 |
| BA | 139 | 117 | 256 |
| NHBA | 124 | 103 | 227 |
| IAC | 112 | 94 | 206 |
| NHIAC | 87 | 77 | 164 |
| AAC | 70 | 91 | 161 |
| NHAAC | 67 | 90 | 157 |
| AA | 43 | 63 | 106 |
| NHAA | 40 | 62 | 102 |
| IA | 53 | 35 | 88 |
| NHIA | 33 | 26 | 59 |
| HIAC | 25 | 17 | 42 |
| HBAC | 23 | 19 | 42 |
| NAC | 16 | 16 | 32 |
| NHNAC | 16 | 16 | 32 |
| HIA | 20 | 9 | 29 |
| HBA | 15 | 14 | 29 |
| HTOM | 13 | 13 | 26 |
| NA | 11 | 10 | 21 |
| NHNA | 11 | 10 | 21 |
| HAAC | 3 | 1 | 4 |
| HAA | 3 | 1 | 4 |
| HNAC | 0 | 0 | 0 |
| HNA | 0 | 0 | 0 |
• Onondaga County population
65.6 mi,
215°
• Oneida County
37.3 mi,
179°
• Oswego County
44.2 mi,
239°
• Jefferson County
33.7 mi,
295°
• St. Lawrence County
52.1 mi,
20°
• Cayuga County
78 mi,
226°
• Madison County
61.3 mi,
190°
• Herkimer County
33.5 mi,
115°
• Fulton County
68.9 mi,
132°
• Hamilton County
47.8 mi,
100°
[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
*Oneida New York Notes
Page generated in 0.013 seconds© 2016 population.us | Terms of use | Contact