| Metropolitan Area Residents |
| 1980: | 137,574 |
| 1990: | 153,296 |
| 2000: | 174,367 |
| Percent change, 1990–2000: | 13.7% |
| U.S. rank in 1990: | Not reported |
| U.S. rank in 2000: | 179th |
| City Residents |
| 1980: | 61,383 |
| 1990: | 74,084 |
| 2000: | 90,599 |
| 2003 estimate: | 91,484 |
| Percent change, 1990–2000: | 22.3% |
| U.S. rank in 1980: | 329th |
| U.S. rank in 1990: | 297th (State rank: 1st) |
| U.S. rank in 2000: | 302nd (State rank: 1st) |
| Density: | 2,388.2 people per square mile (2000) |
| Racial and ethnic characteristics | (2000) |
| White | 85,321 |
| Black or African American | 922 |
| American Indian and Alaska Native | 1,119 |
| Asian | 1,482 |
| Native Hawaiian and Pacific Islander | 40 |
| Hispanic or Latino (may be of any race) | 1,167 |
| Other | 400 |
| Percent of residents born in state: | 59% |
| Age characteristics | (2000) |
| Population under 5 years old | 5,763 |
| Population 5 to 9 years old | 5,263 |
| Population 10 to 14 years old | 5,008 |
| Population 15 to 19 years old | 7,012 |
| Population 20 to 24 years old | 13,477 |
| Population 25 to 34 years old | 15,144 |
| Population 35 to 44 years old | 13,051 |
| Population 45 to 54 years old | 11,054 |
| Population 55 to 59 years old | 3,157 |
| Population 60 to 64 years old | 2,550 |
| Population 65 to 74 years old | 4,532 |
| Population 75 to 84 years old | 3,171 |
| Population 85 years and older | 1,417 |
| Median age | 30.1 years |
| Births | (2001, Cass County) Total number: 1,727 |
| Deaths | (2001, Cass County) Total number: 747 |
| Money income | (1999) |
| Per capita income | $21,101 |
| Median household income | $35,510 |
| Total households | 39,354 |
| Number of households with income of . . . | |
| less than $10,000 | 3,888 |
| $10,000 to $14,999 | 3,022 |
| $15,000 to $24,999 | 6,384 |
| $25,000 to $34,999 | 6,085 |
| $35,000 to $49,999 | 6,861 |
| $50,000 to $74,999 | 7,010 |
| $75,000 to $99,999 | 2,898 |
| $100,000 to $149,999 | 2,095 |
| $150,000 to $199,999 | 454 |
| $200,000 or more | 657 |
| Percent of families below poverty level: | 6.6% (45% of which were female householder families with related children under 5 years) |
| 2002 FBI Crime Index Total: | 3,266 |