| Tompkins County Residents |
| 1980: | 87,085 |
| 1990: | 94,097 |
| 2000: | 96,501 |
| Percent change, 1990–2000: | 2.6% |
| U.S. rank in 1990: | Not reported |
| U.S. rank in 2000: | 535th |
| City Residents |
| 1980: | 28,732 |
| 1990: | 29,541 |
| 2000: | 29,287 |
| 2003 estimate: | 30,343 |
| Percent change, 1990–2000: | -0.9% |
| U.S. rank in 1990: | Not reported |
| U.S. rank in 2000: | Not reported |
| Density: | 5,857.4 people per square mile (2000) |
| Racial and ethnic characteristics | (2000) |
| White | 21,663 |
| Black or African American | 1,965 |
| American Indian and Alaska Native | 114 |
| Asian | 3,998 |
| Native Hawaiian and Pacific Islander | 16 |
| Hispanic or Latino (may be of any race) | 1,555 |
| Other | 546 |
| Percent of residents born in state: | 44% (2000) |
| Age characteristics | (2000) |
| Population under 5 years old | 727 |
| Population 5 to 9 years old | 721 |
| Population 10 to 14 years old | 729 |
| Population 15 to 19 years old | 5,739 |
| Population 20 to 24 years old | 10,551 |
| Population 25 to 34 years old | 3,703 |
| Population 35 to 44 years old | 2,179 |
| Population 45 to 54 years old | 2,080 |
| Population 55 to 59 years old | 593 |
| Population 60 to 64 years old | 429 |
| Population 65 to 74 years old | 822 |
| Population 75 to 84 years old | 705 |
| Population 85 years and over | 309 |
| Median age | 22.0 years |
| Births | (2002, Tompkins County) |
| Total number | 831 |
| Deaths | (2002, Tompkins County) |
| Total number | 565 (of which, 3 were infants under the age of 1 year) |
| Money income | (1999) |
| Per capita income | $13,408 |
| Median household income | $21,441 |
| Total households | 10,236 |
| Number of households with income of . . . | |
| less than $10,000 | 2,819 |
| $10,000 to $14,999 | 1,127 |
| $15,000 to $24,999 | 1,572 |
| $25,000 to $34,999 | 1,295 |
| $35,000 to $49,999 | 1,227 |
| $50,000 to $74,999 | 1,128 |
| $75,000 to $99,999 | 470 |
| $100,000 to $149,999 | 391 |
| $150,000 or more | 207 |
| Percent of families below poverty level: | 13.5% (48.6% of which were female householders with related children under 5 years) |
| 2002 FBI Crime Index Total: | Not reported |