Quincy, Illinois - Demographics

Demographics

Historical populations
Census Pop.
1840 2,319
1850 6,902 197.6%
1860 13,718 98.8%
1870 24,052 75.3%
1880 27,268 13.4%
1890 31,494 15.5%
1900 36,252 15.1%
1910 36,587 0.9%
1920 35,978 −1.7%
1930 39,241 9.1%
1940 40,469 3.1%
1950 41,450 2.4%
1960 43,793 5.7%
1970 45,288 3.4%
1980 42,554 −6.0%
1990 39,681 −6.8%
2000 40,366 1.7%
2010 40,633 0.7%
Decennial US Census

As of the census of 2000, there were 40,366 people, 16,546 households, and 10,109 families residing in the city. The population density was 2,761.2 people per square mile (1,066.0/km²). There were 18,043 housing units at an average density of 1,234.2 per square mile (476.5/km²). The racial makeup of the city was 93.02% White, 4.65% African American, 0.19% Native American, 0.54% Asian, 0.01% Pacific Islander, 0.36% from other races, and 1.22% from two or more races. Hispanic or Latino of any race were 0.94% of the population.

There were 16,546 households out of which 28.6% had children under the age of 18 living with them, 46.3% were married couples living together, 11.6% had a female householder with no husband present, and 38.9% were non-families. 33.7% of all households were made up of individuals and 15.3% 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 2.94.

In the city the population was spread out with 23.4% under the age of 18, 10.0% from 18 to 24, 25.8% from 25 to 44, 20.9% from 45 to 64, and 19.9% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 88.3 males. For every 100 females age 18 and over, there were 85.3 males.

The median income for a household in the city was $30,956, and the median income for a family was $40,718. Males had a median income of $30,734 versus $20,748 for females. The per capita income for the city was $17,479. About 9.2% of families and 12.2% of the population were below the poverty line, including 15.2% of those under age 18 and 8.3% of those age 65 or over.

Read more about this topic:  Quincy, Illinois

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