Oglesby, Illinois

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Water tower near I-39 in Oglesby
Official name: City of Oglesby
Country United States
State Illinois
County LaSalle
Township LaSalle
Elevation 628 ft (191.4 m)
Coordinates 41°17′48″N 89°03′58″W / 41.29667°N 89.06611°W / 41.29667; -89.06611Coordinates: 41°17′48″N 89°03′58″W / 41.29667°N 89.06611°W / 41.29667; -89.06611
Area 4.11 sq mi (10.6 km2)
 - land 4.11 sq mi (11 km2)
 - water 0.00 sq mi (0 km2), 0%
Population 3,791 (2010)
Density 911.6 / sq mi (352 / km2)
Government City commission government
Mayor Donald Finley
Timezone CST (UTC-6)
 - summer (DST) CDT (UTC-5)
Postal code 61348
Area code 815
Location of Oglesby within Illinois
Website: www.oglesby.il.us

Oglesby is a city in LaSalle County, Illinois, United States. The population was 3,791 at the 2010 census. It is part of the OttawaStreator Micropolitan Statistical Area.


Oglesby Lincoln School, Oglesby Washington School, Holy Family parochial School, and Illinois Valley Community College are located in Oglesby.

Post Office[edit]

In 1993 a post office janitor complained about the nudity depicted in the town's post office mural. The painting was covered by a blind and only revealed upon request. [1]


Oglesby is located at 41°17′48″N 89°3′58″W / 41.29667°N 89.06611°W / 41.29667; -89.06611 (41.296762, -89.066074).[2]

According to the 2010 census, the city has a total area of 4.11 square miles (10.6 km2), all land.[3]

Natural resources[edit]

Oglesby is located near the confluence of the Illinois River and the north-flowing Vermilion River. It was originally called Portland, due to the cement mined and manufactured in the area that was similar to Portland Cement from England. It was renamed in 1913 in honor of Richard Oglesby, a former U.S. Senator and three-time Governor of Illinois.[4]

The surface ground layers around Oglesby has excellent exposed limestone and coal, as well as riverine transport. It soon became an important center for cement manufacture. Before open-pit mining there were several subsurface cement mines:[5]

  • Illinois Clay Products Mine, 1913-1924
  • Reynolds Clay Mine
  • Marquette Cement Mine

As well as several coal mines:

  • Jones Mine, 1865-1930
  • Oglesby Mine, 1865-1919
  • Deer Park Mine, 1900-1920
  • Black Hollow Mine, circa


As of the census[6] of 2010, there were 3,791 people. The 2000 census showed 1,583 households, and 1,016 families residing in the city. The population density was 911.6 people per square mile (352.0/km²). There were 1,701 housing units at an average density of 425.2 per square mile (164.2/km²). According to the 2010 census The racial makeup of the city was 95.70% White, 0.37% African American, 0.13% Native American, 0.74% Asian, and Hispanic or Latino of any race were 6.52% of the population.

Census 2000 stated that there were 1,583 households out of which 27.8% had children under the age of 18 living with them, 51.6% were married couples living together, 9.0% had a female householder with no husband present, and 35.8% were non-families. 31.5% of all households were made up of individuals and 18.3% had someone living alone who was 65 years of age or older. The average household size was 2.29 and the average family size was 2.88.

In the city the population was spread out with 22.8% under the age of 18, 7.2% from 18 to 24, 28.2% from 25 to 44, 20.7% from 45 to 64, and 21.2% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 91.3 males. For every 100 females age 18 and over, there were 91.2 males.

The median income for a household in the city was $35,000, and the median income for a family was $44,778. Males had a median income of $36,875 versus $20,331 for females. The per capita income for the city was $18,674. About 9.5% of families and 10.1% of the population were below the poverty line, including 14.0% of those under age 18 and 6.9% of those age 65 or over.

Notable people[edit]


  1. ^ "Indians at the Post Office". postalmuseum.si.edu. Smithsonian Postal Museum. Retrieved 9 December 2014. 
  2. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23. 
  3. ^ "Places: Illinois". 2010 Census Gazetteer Files. United States Census Bureau. Retrieved 2012-10-13. 
  4. ^ Oglesby-Our Home Town (1902-2002). Oglesby, Illinois: Oglesby Historical Society. 2002. p. 5. 
  5. ^ http://www.isgs.uiuc.edu/maps-data-pub/coal-maps/topo-mines/lasalle.pdf
  6. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.