Last official estimated population of Schenectady County was 154,919 (year 2014)[1]. This was 0.049% of total US population and 0.8% of total New York state population. Area of Schenectady County is 209.4 mi² (=542.5 km²), in this year population density was 739.67 p/mi². If population growth rate would be same as in period 2010-2014 (+0.03%/yr), Schenectady County population in 2026 would be 155,496 [0].
Historical population of Schenectady 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] +2.52 %/yr
[1820-1830] -0.58 %/yr
[1830-1840] +3.48 %/yr
[1840-1850] +1.44 %/yr
[1850-1860] -0.03 %/yr
[1860-1870] +0.65 %/yr
[1870-1880] +0.98 %/yr
[1880-1890] +2.39 %/yr
[1890-1900] +4.63 %/yr
[1900-1910] +6.53 %/yr
[1910-1920] +2.17 %/yr
[1920-1930] +1.35 %/yr
[1930-1940] -0.2 %/yr
[1940-1950] +1.52 %/yr
[1950-1960] +0.71 %/yr
[1960-1970] +0.52 %/yr
[1970-1980] -0.71 %/yr
[1980-1990] -0.04 %/yr
[1990-2000] -0.18 %/yr
[2000-2005] +0.48 %/yr
[2005-2010] +0.6 %/yr
[2010-2014] +0.03 %/yr
Looking for settlements in Schenectady County? Visit this page: Settlements in Schenectady County, NY
Population of Schenectady County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 4803 | 4569 | 9,372 |
| 5 to 9 | 4838 | 4522 | 9,360 |
| 10 to 14 | 4909 | 4733 | 9,642 |
| 15 to 19 | 5362 | 4960 | 10,322 |
| 20 to 24 | 5459 | 5206 | 10,665 |
| 25 to 29 | 4948 | 4914 | 9,862 |
| 30 to 34 | 4888 | 5040 | 9,928 |
| 35 to 39 | 4528 | 4702 | 9,230 |
| 40 to 44 | 4785 | 4930 | 9,715 |
| 45 to 49 | 5127 | 5456 | 10,583 |
| 50 to 54 | 5694 | 6129 | 11,823 |
| 55 to 59 | 5596 | 5765 | 11,361 |
| 60 to 64 | 4658 | 4918 | 9,576 |
| 65 to 69 | 3537 | 3946 | 7,483 |
| 70 to 74 | 2386 | 2952 | 5,338 |
| 75 to 79 | 1579 | 2185 | 3,764 |
| 80 to 84 | 1271 | 2065 | 3,336 |
| 85+ | 1483 | 2892 | 4,375 |
Schenectady 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 | 70633 | 74769 | 145,402 |
| WAC | 62579 | 66589 | 129,168 |
| WA | 60188 | 64110 | 124,298 |
| NHWAC | 58691 | 62884 | 121,575 |
| NHWA | 56663 | 60768 | 117,431 |
| BAC | 10467 | 10654 | 21,121 |
| NHBAC | 9108 | 9246 | 18,354 |
| BA | 8769 | 8852 | 17,621 |
| NHBA | 7712 | 7745 | 15,457 |
| H | 5218 | 5115 | 10,333 |
| AAC | 4351 | 4350 | 8,701 |
| NHAAC | 4258 | 4236 | 8,494 |
| HWAC | 3888 | 3705 | 7,593 |
| AA | 3490 | 3466 | 6,956 |
| HWA | 3525 | 3342 | 6,867 |
| NHAA | 3441 | 3394 | 6,835 |
| TOM | 2684 | 2811 | 5,495 |
| NHTOM | 2284 | 2414 | 4,698 |
| HBAC | 1359 | 1408 | 2,767 |
| IAC | 1134 | 1087 | 2,221 |
| HBA | 1057 | 1107 | 2,164 |
| NHIAC | 875 | 835 | 1,710 |
| IA | 589 | 490 | 1,079 |
| HTOM | 400 | 397 | 797 |
| NHIA | 432 | 332 | 764 |
| NAC | 251 | 267 | 518 |
| HIAC | 259 | 252 | 511 |
| NHNAC | 193 | 205 | 398 |
| HIA | 157 | 158 | 315 |
| NA | 131 | 155 | 286 |
| NHNA | 101 | 116 | 217 |
| HAAC | 93 | 114 | 207 |
| HAA | 49 | 72 | 121 |
| HNAC | 58 | 62 | 120 |
| HNA | 30 | 39 | 69 |
• Albany County population
16.2 mi,
167°
• Saratoga County
22.1 mi,
25°
• Rensselaer County
27.9 mi,
105°
• Washington County
45.8 mi,
41°
• Columbia County
44.7 mi,
151°
• Fulton County
28.2 mi,
316°
• Montgomery County
20.7 mi,
286°
• Greene County
37.1 mi,
188°
• Bennington County
49.5 mi,
72°
• Schoharie County
25.4 mi,
232°
[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
*Albany New York Notes
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