| Metropolitan Area Residents |
| 1980: | 546,488 |
| 1990: | 585,960 |
| 2000: | 687,249 |
| Percent change, 1990–2000: | 17.3% |
| U.S. rank in 1980: | 60th (MSA) |
| U.S. rank in 1990: | 65th (MSA) |
| U.S. rank in 2000: | 62nd (MSA) |
| City Residents |
| 1980: | 175,045 |
| 1990: | 169,761 |
| 2000 estimate: | 173,890 |
| 2003 estimate: | 173,278 |
| Percent change, 1990–2000: | 2.4% |
| U.S. rank in 1980: | 77th |
| U.S. rank in 1990: | 101st (State rank: 2nd) |
| U.S. rank in 2000: | 135th (State rank: 2nd) |
| Density: | 1,876.7 people per square mile (2000) |
| Racial and ethnic characteristics | (2000) |
| White | 138,611 |
| Black or African American | 28,171 |
| American Indian and Alaska Native | 541 |
| Asian | 2,525 |
| Native Hawaiian and Pacific Islander | 60 |
| Hispanic or Latino (may be of any race) | 2,751 |
| Other | 3,982 |
| Percent of residents born in state: | 67.6% (2000) |
| Age characteristics | (2000) |
| Poplation under 5 years old | 10,296 |
| Poplation 5 to 9 years old | 9,610 |
| Poplation 10 to 14 years old | 9,033 |
| Poplation 15 to 19 years old | 13,652 |
| Poplation 20 to 24 years old | 20,800 |
| Poplation 25 to 34 years old | 27,311 |
| Poplation 35 to 44 years old | 24,062 |
| Poplation 45 to 54 years old | 20,702 |
| Poplation 55 to 59 years old | 7,361 |
| Poplation 60 to 64 years old | 6,069 |
| Poplation 65 to 74 years old | 11,977 |
| Poplation 75 to 84 years old | 9,393 |
| Poplation 85 years and older | 3,624 Median age: 33.4 years |
| Births | (2003; Knox County) |
| Total number | 5,058 |
| Deaths | (2003; Knox County) |
| Total number | 3,661 (of which, 39 were infants under the age of 1 year) |
| Money income | (1999) |
| Per capita income | $18,171 |
| Median household income | $27,492 |
| Total households | 76,550 |
| Number of households with income of . . . | |
| less than $10,000 | 14,282 |
| $10,000 to $14,999 | 7,255 |
| $15,000 to $24,999 | 13,643 |
| $25,000 to $34,999 | 10,878 |
| $35,000 to $49,999 | 11,958 |
| $50,000 to $74,999 | 10,089 |
| $75,000 to $99,999 | 4,085 |
| $100,000 to $149,999 | 2,690 |
| $150,000 to $199,999 | 705 |
| $200,000 or more | 965 |
| Percent of families below poverty level (2000): | 14.4% (29.8% of which were female householder families with related children under 5 years) |
| 2002 FBI Crime Index Total: | 11,983 |