Tompkins County, New York Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 28th-largest in New York
The population of Tompkins County, New York is 102,879 as of the 2023 American Community Survey, making it the 28th-largest county in New York. The median household income is $73,012, the median home value is $271,500, and the median age is 32.8.
The population of Tompkins County has grown 3.8% since 2010 (101,743 → 105,602), a +0.27% annualized rate.
102,879
Population
+0.27%
Annual growth
217
People / sq mi
$73,012
Median Income
$271,500
Median Home Value
Tompkins County covers 475 sq mi of land at 216.7 people per square mile.
About Tompkins County, NY
Tompkins County is a county in New York with a population of 102,879. It ranks #28 among counties in New York by population. The median age is 32.8, younger than the national median. The population is 49.0% male and 51.0% female.
The median household income in Tompkins County is $73,012, near the US median of $74,580. 5.9% of residents live below the federal poverty level. Home values sit at a median of $271,500, with monthly rent averaging $1,374. The homeownership rate of 53.8% is lower than the national rate of 64.8%.
Educational attainment in Tompkins County reflects 59.2% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 19.0% of workers primarily work from home, noticeably above the national work-from-home rate of 14.2%. The average commute is 20.5 minutes each way.
Tompkins County Population History (2010-2024)
The county of Tompkins County had a population of 101,743 in 2010 and 105,602 in 2024, a 3.8% growth over 14 years. The peak was 105,974 in 2021. Average annual growth rate: 0.28%.
105,602
Population (2024)
101,743
Population (2010)
105,974
Peak (2021)
0.28%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 101,743 |
| 2011 | 101,861 |
| 2012 | 102,800 |
| 2013 | 103,668 |
| 2014 | 103,530 |
| 2015 | 103,187 |
| 2016 | 103,042 |
| 2017 | 102,731 |
| 2018 | 102,382 |
| 2019 | 101,971 |
| 2020 | 99,778 |
| 2021 | 105,974 |
| 2022 | 105,827 |
| 2023 | 105,505 |
| 2024 | 105,602 |
Race & Ethnicity
| White | 76.8% |
| Black or African American | 4.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.6% |
| Two or More Races | 0.0% |
Age & Sex
32.8
Median Age
51.0%
Female
49.0%
Male
16.0%
Age 65+
Age Distribution
Children (under 15): 11.8% · Seniors (65+): 16.0%
Income & Poverty
| Median household income | $73,012$-11,566 vs state |
| Mean household income | $102,676 |
| Per-capita income | $42,505 |
| Poverty rate | 5.9%-3.9% vs state |
| Unemployment rate | 3.1% |
| Employment-to-population | 55.1% |
Top Industries by Employment
The largest employment sector in Tompkins County is professional & business services, accounting for 48.0% of workers.
How residents commute
5.4%
Drive alone
10.4%
Carpool
53.3%
Public transit
19.0%
Work from home
20.5 min
Avg commute
Housing
$271,500$-131,500 vs state
Median home value
$1,374
Median rent
53.8%
Homeownership rate
47,362
Total housing units
91.4%
Occupied
8.6%
Vacant
46.2%
Renter-occupied
Social & access
95.8%
With health insurance
96.4%
With broadband internet
30.4%
Foreign-born
3.8%
Veterans (18+)
12.0%
With a disability
84.0%
Speak language other than English at home
Education
95.9%
High School+
59.2%
Bachelor's+
Largest cities in New York
Other counties in New York
Part of New York
Metro areas in New York
County rankings
Frequently Asked Questions
Tompkins County, New York has a population of 102,879 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 28th-largest county in New York. Population density is 217 people per square mile.
The population of Tompkins County has grown 3.8% since 2010 (101,743 → 105,602), a +0.27% annualized rate.
The median household income in Tompkins County, New York is $73,012, with mean (average) household income of $102,676 and per-capita income of $42,505. 5.9% of residents live below the federal poverty level.
In Tompkins County, the largest racial and ethnic groups are White (76.8%), Black or African American (4.0%), Hispanic or Latino (1.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Tompkins County, New York is 32.8 years. Residents are 51.0% female and 49.0% male.
The median home value in Tompkins County is $271,500 and median monthly rent is $1,374. 53.8% of occupied housing units are owner-occupied. The county has 47,362 total housing units, 8.6% of which are vacant.
The largest employment sector in Tompkins County, New York is professional, scientific, and management services, employing 48.0% of workers. The unemployment rate is 3.1%.
New York is among the largest cities associated with Tompkins County, New York, with a population of 8,516,202.
More from New York
Population 2,646,306
Population 2,330,124
Population 1,627,788
Population 1,525,680
Full rankings of New York counties
Statewide data for New York
Population, race, income, age, and trends across New York
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.