| Metropolitan Area Residents |
| 1980: | 250,000 |
| 1990: | 278,024 |
| 2000: | 347,214 |
| 2003 estimate: | 363,000 |
| Percent change, 1990–1998: | 24.9% |
| U.S. rank in 1980: | 126th |
| U.S. rank in 1990: | 122nd |
| U.S. rank in 2000: | 129th (CMSA) |
| City Residents |
| 1980: | 89,091 |
| 1990: | 107,793 |
| 2000: | 136,924 |
| 2003 estimate: | 142,914 |
| Percent change, 1990–2000: | 25.8% |
| U.S. rank in 1980: | 195th |
| U.S. rank in 1990: | 178th (State rank: 3rd) |
| U.S. rank in 2000: | 162nd (State rank: 3rd) |
| Density: | 2,994.0 people per square mile (2000) |
| Racial and ethnic characteristics | (2000) |
| White | 132,327 |
| Black or African American | 1,750 |
| American Indian and Alaskan Native | 2,064 |
| Asian | 3,304 |
| Native Hawaiian and other Pacific Islander | 643 |
| Hispanic or Latino (may be of any race) | 19,973 |
| Other | 10,820 |
| Percent of residents born in state: | 45.0% (2000) |
| Age characteristics | (2000) |
| Population under 5 years old | 10,190 |
| Population 5 to 9 years old | 9,620 |
| Population 10 to 14 years old | 9,244 |
| Population 15 to 19 years old | 10,159 |
| Population 20 to 24 years old | 11,252 |
| Population 25 to 34 years old | 20,659 |
| Population 35 to 44 years old | 20,539 |
| Population 45 to 54 years old | 18,252 |
| Population 55 to 59 years old | 5,679 |
| Population 60 to 64 years old | 4,291 |
| Population 65 to 74 years old | 7,541 |
| Population 75 to 84 years old | 6,653 |
| Population 85 years and over | 2,845 |
| Median age | 33.6 years |
| Births, Marion County | (2003) |
| Total number | 5,094 |
| Deaths | (2003) |
| Total number | 2,622 (of which, 4 were infants under the age of 1 year) |
| Money income | (1999) |
| Per capita income | $19,141 |
| Median household income | $38,881 |
| Total households | 50,585 |
| Number of households with income of . . . | |
| less than $10,000 | 4,497 |
| $10,000 to $14,999 | 3,490 |
| $15,000 to $24,999 | 6,903 |
| $25,000 to $34,999 | 7,530 |
| $35,000 to $49,999 | 9,309 |
| $50,000 to $74,999 | 10,231 |
| $75,000 to $99,999 | 4,580 |
| $100,000 to $149,999 | 2,771 |
| $150,000 to $199,999 | 595 |
| $200,000 or more | 679 |
| Percent of families below poverty level: | 10.5% (27.6% of which were female householder families with related children under 5 years) |
| 2002 FBI Crime Index Total: | 12,077 |