Lockport, Illinois

Lockport population, 2020 to 2024

Lockport added 762 residents from July 2020 to July 2024, a change of +2.9%. In the latest year it moved by +284. Among 330 Illinois places of 5,000 or more, that growth ranks 34th; the median place changed by -0.9%. The median place of 5,000+ in Illinois has 14,760 people, so Lockport is 1.8 times that size.

Lockport covers 11.75 square miles of land and 0.04 of water, for 2,291 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Lockport is close to the typical town.

What county Lockport is in

All of Lockport's residents live in Will County, which had 708,583 residents in 2024. Lockport holds 3.8% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Lockport

1 ZIP Code Tabulation Area (ZCTA) overlaps Lockport by at least 10% of the ZCTA's or the city's land: 60441. 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 Lockport is

The Census internal point of Lockport is at 41.591000, -88.029700. Springfield, the capital, is 151.1 miles SW in a straight line. The nearest larger place is Romeoville, IL (41,177 people), 4.5 miles away. The nearest city of 100,000 or more is Joliet, IL, 8.0 miles away.

Daylight in Lockport

At 41.59° N, Lockport gets about 15 h 12 min of daylight around the June solstice and 9 h 10 min around the December solstice, a swing of 6 h 02 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Lockport

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Homer Glen, 4.1 miles away, with 24,852 people.