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3 Cities and towns
Geography\nAccording to the U.S. Census Bureau, the county has a total area of 2,973 km² (1,148 mi²). 2,939 km² (1,135 mi²) of it is land and 34 km² (13 mi²) of it is water. The total area is 1.14% water.
Demographics\nAs of the census2 of 2000, there are 111,509 people, 43,417 households, and 29,827 families residing in the county. The population density is 38/km² (98/mi²). There are 46,438 housing units at an average density of 16/km² (41/mi²). The racial makeup of the county is 94.97% White, 1.55% Black or African American, 0.17% Native American, 0.54% Asian, 0.02% Pacific Islander, 1.71% from other races, and 1.05% from two or more races. 5.19% of the population are Hispanic or Latino of any race.
There are 43,417 households out of which 31.70% have children under the age of 18 living with them, 55.70% are married couples living together, 9.20% have a female householder with no husband present, and 31.30% are non-families. 27.40% of all households are made up of individuals and 13.30% have someone living alone who is 65 years of age or older. The average household size is 2.49 and the average family size is 3.04.
In the county the population is spread out with 25.20% under the age of 18, 8.10% from 18 to 24, 28.00% from 25 to 44, 22.30% from 45 to 64, and 16.40% who are 65 years of age or older. The median age is 38 years. For every 100 females there are 97.90 males. For every 100 females age 18 and over, there are 96.40 males.
The median income for a household in the county is $40,308, and the median income for a family is $49,533. Males have a median income of $39,256 versus $22,097 for females. The per capita income for the county is $19,185. 9.10% of the population and 6.90% of families are below the poverty line. Out of the total people living in poverty, 13.10% are under the age of 18 and 6.20% are 65 or older.
Cities and towns\n*Cedar Point\n*Dana\n*Earlville\n*Grand Ridge\n*Kangley\n*La Salle\n*Leland\n*Leonore\n*Lostant\n*Marseilles\n*Mendota\n*Naplate\n*North Utica\n*Oglesby\n*Ottawa\n*Peru\n*Ransom\n*Rutland\n*Sheridan\n*Streator\n*Tonica\n*Troy Grove