Ina is the southernmost village in Jefferson County, Illinois, United States. The population was 2,338 as of the 2010 census. It is part of the Mount Vernon Micropolitan Statistical Area.
Ina is located at 38°9′2″N 88°54′17″W / 38.15056°N 88.90472°W / 38.15056; -88.90472 (38.150648, -88.904709). Illinois Route 37 is the village’s Main Street, and Interstate 57 runs through the west side of town, with access from Exit 83. Mount Vernon, the Jefferson county seat, is 11 miles (18 km) to the north, and Benton is the same distance to the south.
According to the 2010 census, Ina has a total area of 2.45 square miles (6.35 km), all land.
Ina is located on high ground between Casey Creek and Gun Creek, both tributaries of the Big Muddy River. The Big Muddy has been dammed to form Rend Lake, with arms of the lake extending up the two tributaries.
The following population figures for Ina are greatly influenced by the approximately 1,850 male inmates who are included from the Big Muddy River Correctional Center, which has been annexed to the original village. (The population of the village outside of the Correctional Center is approximately 600 people.) As of the census of 2000, there are officially 2,455 people, 199 households, and 140 families residing in the village. The population density was 1,020.6 people per square mile (393.3/km²). There were 233 housing units at an average density of 96.9 per square mile (37.3/km²). The racial makeup of the village was 55.15% White, 41.79% African American, 0.45% Native American, 0.24% Asian, 2.12% from other races, and 0.24% from two or more races. Hispanic or Latino of any race were 6.48% of the population.
There were 199 households out of which 26.6% had children under the age of 18 living with them, 57.8% were married couples living together, 10.6% had a female householder with no husband present, and 29.6% were non-families. 25.1% of all households were made up of individuals and 15.6% had someone living alone who was 65 years of age or older. The average household size was 2.46 and the average family size was 2.95.
In the village, the population was spread out with 5.1% under the age of 18, 18.7% from 18 to 24, 54.9% from 25 to 44, 16.7% from 45 to 64, and 4.5% who were 65 years of age or older. The median age was 34 years. For every 100 females, there were 874.2 males. For every 100 females age 18 and over, there were 1,082.2 males. These last two statistics are heavily influenced by the approximately 1850 male inmates in the Big Muddy River Correctional Center.
The median income for a household in the village was $24,453 and the median income for a family was $32,500. Males had a median income of $33,950 versus $20,625 for females. The per capita income for the village was $8,596. About 10.4% of families and 19.2% of the population were below the poverty line, including 26.4% of those under age 18 and 21.0% of those age 65 or over.