Olney, Illinois

Olney population, 2020 to 2024

Olney lost 260 residents from July 2020 to July 2024, a change of -3.0%. In the latest year it moved by -79. Among 330 Illinois places of 5,000 or more, that growth ranks 299th; the median place changed by -0.9%. The median place of 5,000+ in Illinois has 14,760 people, so Olney is 57% of it.

Olney covers 6.93 square miles of land, for 1,217 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Olney is less dense than the typical town.

What county Olney is in

All of Olney's residents live in Richland County, which had 15,362 residents in 2024. Olney holds 54.9% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Olney

1 ZIP Code Tabulation Area (ZCTA) overlaps Olney by at least 10% of the ZCTA's or the city's land: 62450. 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 Olney is

The Census internal point of Olney is at 38.728100, -88.084200. Springfield, the capital, is 110.9 miles NW in a straight line. The nearest larger place is Vincennes, IN (16,506 people), 31.2 miles away. The nearest city of 100,000 or more is Evansville, IN, 59.2 miles away.

Daylight in Olney

At 38.73° N, Olney gets about 14 h 53 min of daylight around the June solstice and 9 h 27 min around the December solstice, a swing of 5 h 26 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Olney

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Sumner, 11.8 miles away, with 2,596 people.