Winthrop Harbor, Illinois

Winthrop Harbor population, 2020 to 2024

Winthrop Harbor lost 19 residents from July 2020 to July 2024, a change of -0.3%. In the latest year it moved by +24. Among 330 Illinois places of 5,000 or more, that growth ranks 127th; the median place changed by -0.9%. The median place of 5,000+ in Illinois has 14,760 people, so Winthrop Harbor is 44% of it.

Winthrop Harbor covers 4.65 square miles of land and 0.16 of water, for 1,412 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Winthrop Harbor is less dense than the typical town.

What county Winthrop Harbor is in

All of Winthrop Harbor's residents live in Lake County, which had 718,604 residents in 2024. Winthrop Harbor holds 0.9% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Winthrop Harbor

1 ZIP Code Tabulation Area (ZCTA) overlaps Winthrop Harbor by at least 10% of the ZCTA's or the village's land: 60096. 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 Winthrop Harbor is

The Census internal point of Winthrop Harbor is at 42.479700, -87.827700. Springfield, the capital, is 209.2 miles SSW in a straight line. The nearest larger place is Zion, IL (24,583 people), 1.8 miles away. The nearest city of 100,000 or more is Elgin, IL, 39.7 miles away.

Daylight in Winthrop Harbor

At 42.48° N, Winthrop Harbor gets about 15 h 18 min of daylight around the June solstice and 9 h 04 min around the December solstice, a swing of 6 h 14 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Winthrop Harbor

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Zion, 1.8 miles away, with 24,583 people.