Last official estimated population of Oneida County was 234,859 (year 2014)[1]. This was 0.074% of total US population and 1.2% of total New York state population. Area of Oneida County is 1,257.6 mi² (=3257.3 km²), in this year population density was 186.75 p/mi². If population growth rate would be same as in period 2010-2014 (-0%/yr), Oneida County population in 2026 would be 234,802 [0].
Historical population of Oneida County for period 1800-2014 [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

[1800-1810] +4.26 %/yr
[1810-1820] +4.2 %/yr
[1820-1830] +3.41 %/yr
[1830-1840] +1.81 %/yr
[1840-1850] +1.56 %/yr
[1850-1860] +0.55 %/yr
[1860-1870] +0.45 %/yr
[1870-1880] +0.49 %/yr
[1880-1890] +0.63 %/yr
[1890-1900] +0.78 %/yr
[1900-1910] +1.5 %/yr
[1910-1920] +1.72 %/yr
[1920-1930] +0.84 %/yr
[1930-1940] +0.24 %/yr
[1940-1950] +0.91 %/yr
[1950-1960] +1.72 %/yr
[1960-1970] +0.32 %/yr
[1970-1980] -0.74 %/yr
[1980-1990] -0.1 %/yr
[1990-2000] -0.63 %/yr
[2000-2005] -0.11 %/yr
[2005-2010] +0.05 %/yr
[2010-2014] -0 %/yr
Looking for settlements in Oneida County? Visit this page: Settlements in Oneida County, NY
Population of Oneida County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 6760 | 6632 | 13,392 |
| 5 to 9 | 6966 | 6632 | 13,598 |
| 10 to 14 | 7059 | 6781 | 13,840 |
| 15 to 19 | 8020 | 7370 | 15,390 |
| 20 to 24 | 8722 | 7818 | 16,540 |
| 25 to 29 | 7656 | 6884 | 14,540 |
| 30 to 34 | 7193 | 6620 | 13,813 |
| 35 to 39 | 6189 | 6024 | 12,213 |
| 40 to 44 | 7105 | 6830 | 13,935 |
| 45 to 49 | 8069 | 7629 | 15,698 |
| 50 to 54 | 8917 | 8719 | 17,636 |
| 55 to 59 | 8394 | 8503 | 16,897 |
| 60 to 64 | 7305 | 7393 | 14,698 |
| 65 to 69 | 5944 | 6490 | 12,434 |
| 70 to 74 | 4192 | 4924 | 9,116 |
| 75 to 79 | 2965 | 3766 | 6,731 |
| 80 to 84 | 2214 | 3265 | 5,479 |
| 85+ | 2286 | 4635 | 6,921 |
Oneida 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 | 109249 | 111218 | 220,467 |
| WAC | 101990 | 105069 | 207,059 |
| WA | 99808 | 102860 | 202,668 |
| NHWAC | 96555 | 100495 | 197,050 |
| NHWA | 94725 | 98625 | 193,350 |
| BAC | 10626 | 8246 | 18,872 |
| NHBAC | 9347 | 7111 | 16,458 |
| BA | 9113 | 6714 | 15,827 |
| NHBA | 8115 | 5849 | 13,964 |
| H | 6707 | 5697 | 12,404 |
| HWAC | 5435 | 4574 | 10,009 |
| AAC | 4741 | 5046 | 9,787 |
| NHAAC | 4640 | 4938 | 9,578 |
| HWA | 5083 | 4235 | 9,318 |
| AA | 4161 | 4484 | 8,645 |
| NHAA | 4093 | 4411 | 8,504 |
| TOM | 2386 | 2406 | 4,792 |
| NHTOM | 2002 | 2037 | 4,039 |
| HBAC | 1279 | 1135 | 2,414 |
| HBA | 998 | 865 | 1,863 |
| IAC | 906 | 882 | 1,788 |
| NHIAC | 669 | 664 | 1,333 |
| IA | 403 | 382 | 785 |
| HTOM | 384 | 369 | 753 |
| NHIA | 266 | 258 | 524 |
| HIAC | 237 | 218 | 455 |
| NAC | 171 | 166 | 337 |
| HIA | 137 | 124 | 261 |
| NHNAC | 123 | 124 | 247 |
| HAAC | 101 | 108 | 209 |
| NA | 85 | 69 | 154 |
| HAA | 68 | 73 | 141 |
| HNAC | 48 | 42 | 90 |
| NHNA | 48 | 38 | 86 |
| HNA | 37 | 31 | 68 |
• Onondaga County population
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37.4 mi,
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47.1 mi,
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• Fulton County
51.7 mi,
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[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
*Montgomery New York Notes
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