Lemont, Illinois

Lemont population, 2020 to 2024

Lemont added 401 residents from July 2020 to July 2024, a change of +2.3%. In the latest year it moved by +472. Among 330 Illinois places of 5,000 or more, that growth ranks 40th; the median place changed by -0.9%. The median place of 5,000+ in Illinois has 14,760 people, so Lemont is 1.2 times that size.

Lemont covers 8.82 square miles of land and 0.37 of water, for 2,064 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Lemont is close to the typical town.

The 3 counties Lemont spans

Lemont crosses county lines. The Census county-part estimates split its 18,203 residents as follows; Cook County holds 100.0% of them. The shaded shapes are on the map above; dots mark the eight nearest places.

ZIP codes in Lemont

1 ZIP Code Tabulation Area (ZCTA) overlaps Lemont by at least 10% of the ZCTA's or the village's land: 60439. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a village that annexed land after 2020 may reach into ZIP codes not listed here.

Where Lemont is

The Census internal point of Lemont is at 41.667300, -87.984400. Springfield, the capital, is 156.8 miles SW in a straight line. The nearest larger place is Homer Glen, IL (24,852 people), 4.6 miles away. The nearest city of 100,000 or more is Naperville, IL, 10.7 miles away.

Daylight in Lemont

At 41.67° N, Lemont gets about 15 h 12 min of daylight around the June solstice and 9 h 09 min around the December solstice, a swing of 6 h 03 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Lemont

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Homer Glen, 4.6 miles away, with 24,852 people.