Tompkins County, NY Demographics
Tompkins County, NY is the 28th most populous of 62 counties in New York, with 105,740 residents across 475 square miles. That is about 223 people per square mile.
At the 2020 census
| Population | 105,740 |
|---|---|
| Land area | 475 sq mi |
| Density | 223 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Tompkins County compares to the US
We're computing this county's comparison table — check back shortly. Population, land area, and density above are already exact.
Central Location: Tompkins County, NY
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Tompkins County, NY — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Tompkins County, NY
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 15 | 6,321 | 17.1 | 369 |
| Census Tract 11 | 6,162 | 6.9 | 896 |
| Census Tract 23 | 5,505 | 65.5 | 84 |
| Census Tract 6 | 5,355 | 3.6 | 1,487 |
| Census Tract 4 | 4,968 | 1.5 | 3,211 |
| Census Tract 18 | 4,883 | 63.8 | 77 |
| Census Tract 10 | 4,530 | 12.0 | 377 |
| Census Tract 5 | 4,489 | 2.0 | 2,203 |
| Census Tract 22 | 4,431 | 30.6 | 145 |
| Census Tract 17 | 4,368 | 46.2 | 95 |
| Census Tract 20 | 4,291 | 21.3 | 202 |
| Census Tract 16 | 4,263 | 25.9 | 164 |
| Census Tract 21 | 4,203 | 33.8 | 124 |
| Census Tract 9 | 4,201 | 9.5 | 441 |
| Census Tract 13.02 | 3,972 | 6.9 | 574 |
| Census Tract 7 | 3,641 | 0.6 | 5,968 |
| Census Tract 14 | 3,595 | 20.5 | 176 |
| Census Tract 13.01 | 3,445 | 0.4 | 7,918 |
| Census Tract 2.01 | 3,337 | 0.1 | 55,859 |
| Census Tract 12 | 3,324 | 0.5 | 6,437 |
| Census Tract 19.02 | 3,163 | 44.1 | 72 |
| Census Tract 19.01 | 3,105 | 59.4 | 52 |
| Census Tract 3 | 2,780 | 1.5 | 1,852 |
| Census Tract 8 | 2,745 | 0.5 | 5,595 |
| Census Tract 2.02 | 2,539 | 0.1 | 23,113 |
| Census Tract 1 | 2,064 | 0.2 | 10,474 |
Related places
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Metro areas containing Tompkins County
About this page
This page shows demographics for a US county from the 2020 census and the American Community Survey: population, land area, density, urban share, and how the county compares to national averages for income, housing, age, and more.
Counties subdivide into census tracts, listed below with their populations. The drive-time and radius tables measure the population around the county's main population center.