Montgomery County is a county located in the U.S. state of Illinois. According to the 2010 census, it had a population of 30,104. Its county seat is Hillsboro.


Montgomery County was formed in 1821 out of Bond and Madison counties. It was named in honor of Richard Montgomery, an American Revolutionary War general killed in 1775 while attempting to capture Quebec City, Canada.Allan H. Keith
''Historical Stories: About Greenville and Bond County, IL''
Consulted on August 15, 2007.
Perrin's 1882 ''History of Montgomery County'' relates that the County was named in honor of Gen. Montgomery, but goes on to say that "others are dubious as to whence it received its name." File:Montgomery County Illinois 1821.png|Montgomery County from the time of its creation to 1827 File:Montgomery County Illinois 1827.png|Montgomery County between 1827 and 1839 File:Montgomery County Illinois 1839.png|Montgomery in 1839, reduced to its present borders


According to the U.S. Census Bureau, the county has a total area of , of which is land and (0.8%) is water.

Climate and weather

In recent years, average temperatures in the county seat of Hillsboro have ranged from a low of in January to a high of in July, although a record low of was recorded in February 1905 and a record high of was recorded in July 1954. Average monthly precipitation ranged from in February to in May.

Adjacent counties

* Sangamon County - north * Christian County - northeast * Shelby County - east * Fayette County - southeast * Bond County - south * Madison County - southwest * Macoupin County - west


Major highways

* Interstate 55 * Illinois Route 16 * Illinois Route 48 * Illinois Route 108 * Illinois Route 127 * 20px Illinois Route 185


Litchfield Municipal Airport is located in Montgomery County, two nautical miles (3.7 km) southwest of the central business district of Litchfield, Illinois.


As of the 2010 United States Census, there were 30,104 people, 11,652 households, and 7,806 families living in the county. The population density was . There were 13,080 housing units at an average density of . The racial makeup of the county was 95.1% white, 3.2% black or African American, 0.4% Asian, 0.2% American Indian, 0.5% from other races, and 0.7% from two or more races. Those of Hispanic or Latino origin made up 1.5% of the population. In terms of ancestry, 27.8% were German, 11.2% were Irish, 10.1% were English, and 9.8% were American. Of the 11,652 households, 29.8% had children under the age of 18 living with them, 51.7% were married couples living together, 10.2% had a female householder with no husband present, 33.0% were non-families, and 28.4% of all households were made up of individuals. The average household size was 2.38 and the average family size was 2.87. The median age was 41.9 years. The median income for a household in the county was $40,864 and the median income for a family was $56,945. Males had a median income of $40,749 versus $29,426 for females. The per capita income for the county was $21,700. About 10.9% of families and 14.0% of the population were below the poverty line, including 22.7% of those under age 18 and 7.4% of those age 65 or over.



* Coffeen * Hillsboro * Litchfield * Nokomis * Witt


* Butler * Coalton * Donnellson * Farmersville * Fillmore * Harvel * Irving * Ohlman * Panama * Raymond * Schram City * Taylor Springs * Waggoner * Walshville * Wenonah

Unincorporated communities

* Chapman * Honey Bend * Van Burensburg * Zanesville * Zenobia


* Audubon Township * Bois D'Arc Township * Butler Grove Township * East Fork Township * Fillmore Township * Grisham Township * Harvel Township * Hillsboro Township * Irving Township * Nokomis Township * North Litchfield Township * Pitman Township * Raymond Township * Rountree Township * South Litchfield Township * Walshville Township * Witt Township * Zanesville Township

Former Townships

* South Fillmore Township

Notable people

* Donald T. Barry, nurse, businessman, and politician *Avery Bourne, member of the Illinois House of Representatives *Buddy Cole, jazz musician and composer *Mortimer A. Cullen, politician in New York *Harry Forrester, basketball and baseball coach *Otto Funk (1868–1934), violinist *John A. Graham, member of the Illinois Senate *Glen Hobbie, baseball player *Matt Hughes, UFC fighter *Calvin Hultman, member of the Iowa House of Representatives *Harold Osborn, track athlete *Ray Richmond, baseball pitcher *Red Ruffing, baseball player *Walter Short, military officer


See also

* National Register of Historic Places listings in Montgomery County, Illinois


External links

Historical Society of Montgomery County Illinois
{{Coord|39.23|-89.48|display=title|type:adm2nd_region:US-IL_source:UScensus1990 Category:Illinois counties Category:1821 establishments in Illinois Category:Populated places established in 1821