Oglesby, Illinois

Oglesby population, 2020 to 2024

Oglesby lost 66 residents from July 2020 to July 2024, a change of -1.8%. In the latest year it moved by -7.

Oglesby covers 4.99 square miles of land, for 727 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Oglesby is less dense than the typical town.

What county Oglesby is in

All of Oglesby's residents live in LaSalle County, which had 108,390 residents in 2024. Oglesby holds 3.3% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Oglesby

1 ZIP Code Tabulation Area (ZCTA) overlaps Oglesby by at least 10% of the ZCTA's or the city's land: 61348. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Oglesby is

The Census internal point of Oglesby is at 41.293200, -89.071000. Springfield, the capital, is 108.8 miles SSW in a straight line. The nearest larger place is LaSalle, IL (9,424 people), 3.2 miles away. The nearest city of 100,000 or more is Peoria, IL, 47.0 miles away.

Daylight in Oglesby

At 41.29° N, Oglesby gets about 15 h 10 min of daylight around the June solstice and 9 h 12 min around the December solstice, a swing of 5 h 58 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Oglesby

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is LaSalle, 3.2 miles away, with 9,424 people.