Last official estimated population of Tompkins County was 101,726 (year 2014)[1]. This was 0.032% of total US population and 0.5% of total New York state population. Area of Tompkins County is 491.6 mi² (=1273.1 km²), in this year population density was 206.95 p/mi². If population growth rate would be same as in period 2010-2014 (+0.04%/yr), Tompkins County population in 2026 would be 102,214 [0].
Historical population of Tompkins County for period 1820-2014 [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

[1820-1830] +5.86 %/yr
[1830-1840] +0.38 %/yr
[1840-1850] +0.21 %/yr
[1850-1860] -2.08 %/yr
[1860-1870] +0.55 %/yr
[1870-1880] +0.38 %/yr
[1880-1890] -0.45 %/yr
[1890-1900] +0.27 %/yr
[1900-1910] -0.05 %/yr
[1910-1920] +0.48 %/yr
[1920-1930] +1.63 %/yr
[1930-1940] +0.2 %/yr
[1940-1950] +3.4 %/yr
[1950-1960] +1.13 %/yr
[1960-1970] +1.51 %/yr
[1970-1980] +1.25 %/yr
[1980-1990] +0.78 %/yr
[1990-2000] +0.25 %/yr
[2000-2005] +0.6 %/yr
[2005-2010] +0.43 %/yr
[2010-2014] +0.04 %/yr
Looking for settlements in Tompkins County? Visit this page: Settlements in Tompkins County, NY
Population of Tompkins County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 2243 | 2200 | 4,443 |
| 5 to 9 | 2191 | 2045 | 4,236 |
| 10 to 14 | 2341 | 2103 | 4,444 |
| 15 to 19 | 6151 | 6190 | 12,341 |
| 20 to 24 | 10250 | 9583 | 19,833 |
| 25 to 29 | 3658 | 3416 | 7,074 |
| 30 to 34 | 3116 | 3154 | 6,270 |
| 35 to 39 | 2585 | 2726 | 5,311 |
| 40 to 44 | 2416 | 2561 | 4,977 |
| 45 to 49 | 2606 | 2730 | 5,336 |
| 50 to 54 | 2758 | 3064 | 5,822 |
| 55 to 59 | 2848 | 3173 | 6,021 |
| 60 to 64 | 2782 | 2968 | 5,750 |
| 65 to 69 | 2147 | 2376 | 4,523 |
| 70 to 74 | 1395 | 1596 | 2,991 |
| 75 to 79 | 881 | 1058 | 1,939 |
| 80 to 84 | 635 | 885 | 1,520 |
| 85+ | 643 | 1217 | 1,860 |
Tompkins 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 | 49202 | 50519 | 99,721 |
| WAC | 43263 | 45174 | 88,437 |
| WA | 41759 | 43584 | 85,343 |
| NHWAC | 41204 | 43074 | 84,278 |
| NHWA | 39885 | 41696 | 81,581 |
| AAC | 6524 | 5932 | 12,456 |
| NHAAC | 6431 | 5828 | 12,259 |
| AA | 5751 | 5110 | 10,861 |
| NHAA | 5692 | 5052 | 10,744 |
| BAC | 2949 | 3065 | 6,014 |
| NHBAC | 2600 | 2669 | 5,269 |
| H | 2444 | 2526 | 4,970 |
| BA | 2250 | 2323 | 4,573 |
| HWAC | 2059 | 2100 | 4,159 |
| NHBA | 2039 | 2074 | 4,113 |
| HWA | 1874 | 1888 | 3,762 |
| TOM | 1641 | 1746 | 3,387 |
| NHTOM | 1433 | 1503 | 2,936 |
| IAC | 531 | 637 | 1,168 |
| NHIAC | 391 | 473 | 864 |
| HBAC | 349 | 396 | 745 |
| HBA | 211 | 249 | 460 |
| IA | 209 | 247 | 456 |
| HTOM | 208 | 243 | 451 |
| HIAC | 140 | 164 | 304 |
| NHIA | 136 | 164 | 300 |
| NAC | 115 | 118 | 233 |
| HAAC | 93 | 104 | 197 |
| NHNAC | 82 | 95 | 177 |
| HIA | 73 | 83 | 156 |
| HAA | 59 | 58 | 117 |
| NA | 36 | 35 | 71 |
| HNAC | 33 | 23 | 56 |
| NHNA | 17 | 30 | 47 |
| HNA | 19 | 5 | 24 |
• Onondaga County population
40.8 mi,
20°
• Broome County
38.5 mi,
121°
• Chemung County
24.9 mi,
214°
• Cayuga County
38.7 mi,
352°
• Tioga County
21 mi,
154°
• Chenango County
44.4 mi,
87°
• Cortland County
22.5 mi,
64°
• Seneca County
29 mi,
321°
• Yates County
34.6 mi,
291°
• Schuyler County
23.8 mi,
264°
[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 note 18 New York Notes
Page generated in 0.009 seconds© 2016 population.us | Terms of use | Contact