Decatur Illinois Demographics

Decatur Demographics

As of the census of 2000, there were 81,860 people, 34,086 households, and 21,099 families residing in the city. The population density was 1,969.7 people per square mile (760.5/km²). There were 37,239 housing units at an average density of 896.0/sq mi (346.0/km²). The racial makeup of the city was 77.59% White, 19.47% African American, 0.17% Native American, 0.66% Asian, 0.02% Pacific Islander, 0.43% from other races, and 1.65% from two or more races. Hispanic or Latino of any race were 1.19% of the population.

There were 34,086 households, out of which 27.6% had children under the age of 18 living with them, 44.1% were married couples living together, 14.1% had a female householder with no husband present, and 38.1% were non-families. 32.7% of all households were made up of individuals and 13.0% had someone living alone who was 65 years of age or older. The average household size was 2.30 and the average family size was 2.90.

In the city the population was spread out with 24.0% under the age of 18, 11.1% from ages 18 to 24, 26.0% from ages 25 to 44, 22.5% from ages 45 to 64, and 16.4% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 87.9 males. For every 100 females aged 18 and over, there were 83.9 males.

The median income for a household in the city was $33,111, and the median income for a family was $42,379. Males had a median income of $36,920 versus $22,359 for females. The per capita income for the city was $19,009. About 12.1% of families and 16.5% of the population were below the poverty line, including 25.1% of those under age 18 and 9.0% of those age 65 or over.

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