| Population | Ottawa city, Illinois | Illinois |
|---|
| Total Population | 18,307 | 12,419,293 |
| Male | 47.7% | 49.0% |
| Female | 52.3% | 51.0% |
| 18 years and over | 75.1% | 73.9% |
| 65 years and over | 17.9% | 12.1% |
| Married Persons | 53.9% | 53.6% |
| Single Persons | 46.1% | 46.4% |
| Median Age | 38.2 | 34.7 |
| Average Family Size | 2.98 | 3.23 |
| Ethnicity |
| White | 96.6% | 75.1% |
| Black or African American | 1.6% | 15.6% |
| American Indian and Alaska Native | 0.5% | 0.6% |
| Asian | 1.1% | 3.8% |
| Native Hawaiian and Other Pacific Islander | 0.1% | 0.1% |
| Other | 1.6% | 6.8% |
| Hispanic or Latino (of any race) | 5.2% | 12.3% |
| Housing Characteristics | Ottawa city, Illinois | Illinois |
|---|
| Total Housing Units | 8,007 | 4,885,615 |
| Median Home Cost | $87,500 | $130,800 |
| Number of Households | 7,510 | 4,591,779 |
| Persons per Household | 2.38 | 2.63 |
| Economic Characteristics | Ottawa city, Illinois | Illinois |
|---|
| Median Household Income | $36,513 | $46,590 |
| Per Capita Income | $19,426 | $23,104 |
| In Labor Force | 61.1% | 65.4% |
| Families below poverty level | 9.8% | 7.8% |
| Education Characteristics | Ottawa city, Illinois | Illinois |
|---|
| School Enrollment |
| Elementary School Enrollment | 2,165 | 1,490,164 |
| High School Enrollment | 1,051 | 707,505 |
| College or Graduate School | 603 | 810,038 |
| Educational Attainment Population 25 years and older |
| High School Graduate | 38.4% | 27.7% |
| Associates Degree | 5.4% | 6.1% |
| Bachelor's Degree | 11.2% | 16.5% |
| Graduate or Professional Degree | 5.1% | 9.5% |
Data provided by the 2000 U.S. Census
