Assumption, Illinois

Geography Assumption is located at 39°31'10" North, 89°2'57" West (39.519545, -89.049129)¹.

According to the United States Census Bureau, the city has a total area of 2.3 km² (0.9 mi²). 2.3 km² (0.9 mi²) of it is land and none of it is covered by water.

Demographics As of the census of 2000, there are 1,261 people, 551 households, and 353 families residing in the city. The population density is 553.3/km² (1,433.1/mi²). There are 607 housing units at an average density of 266.3/km² (689.9/mi²). The racial makeup of the city is 99.84% White, 0.00% African American, 0.00% Native American, 0.08% Asian, 0.00% Pacific Islander, 0.00% from other races, and 0.08% from two or more races. 0.16% of the population are Hispanic or Latino of any race.

There are 551 households out of which 28.7% have children under the age of 18 living with them, 51.4% are married couples living together, 8.9% have a female householder with no husband present, and 35.8% are non-families. 33.2% of all households are made up of individuals and 18.9% have someone living alone who is 65 years of age or older. The average household size is 2.29 and the average family size is 2.86.

In the city the population is spread out with 25.6% under the age of 18, 7.0% from 18 to 24, 27.0% from 25 to 44, 21.1% from 45 to 64, and 19.3% who are 65 years of age or older. The median age is 38 years. For every 100 females there are 82.8 males. For every 100 females age 18 and over, there are 81.4 males.

The median income for a household in the city is $34,474, and the median income for a family is $41,417. Males have a median income of $35,650 versus $17,292 for females. The per capita income for the city is $16,421. 9.5% of the population and 5.2% of families are below the poverty line. Out of the total people living in poverty, 11.6% are under the age of 18 and 11.7% are 65 or older.