As of the census of 2000, there were 9,917 people, 3,640 households, and 2,504 families residing in the city. The population density was 3,713.9 per square mile (1,434.1/km²). There were 4,080 housing units at an average density of 1,528.0/sq mi (590.0/km²). The racial makeup of the city was 52.58% White, 42.01% African American, 0.78% Native American, 0.16% Asian, 0.04% Pacific Islander, 1.63% from other races, and 2.80% from two or more races. Hispanic or Latino of any race were 4.96% of the population.
There were 3,640 households out of which 36.0% had children under the age of 18 living with them, 31.4% were married couples living together, 30.4% had a female householder with no husband present, and 31.2% were non-families. 26.3% of all households were made up of individuals and 8.9% had someone living alone who was 65 years of age or older. The average household size was 2.72 and the average family size was 3.25.
In the city the population was spread out with 31.2% under the age of 18, 10.2% from 18 to 24, 29.2% from 25 to 44, 18.8% from 45 to 64, and 10.6% who were 65 years of age or older. The median age was 31 years. For every 100 females there were 89.4 males. For every 100 females age 18 and over, there were 84.1 males.
The median income for a household in the city was $29,214, and the median income for a family was $33,875. Males had a median income of $35,613 versus $24,391 for females. The per capita income for the city was $13,728. About 19.1% of families and 22.0% of the population were below the poverty line, including 30.6% of those under age 18 and 10.5% of those age 65 or over.
Community resources in River Rouge include the Senior Center, Teen Center, Beechwood Center, and the River Rouge Public Library.