Poplar Grove, Illinois

Poplar Grove population, 2020 to 2024

Poplar Grove added 100 residents from July 2020 to July 2024, a change of +2.0%. In the latest year it moved by +26. Among 330 Illinois places of 5,000 or more, that growth ranks 44th; the median place changed by -0.9%. The median place of 5,000+ in Illinois has 14,760 people, so Poplar Grove is 35% of it.

Poplar Grove covers 7.88 square miles of land, for 655 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Poplar Grove is less dense than the typical town.

What county Poplar Grove is in

All of Poplar Grove's residents live in Boone County, which had 53,313 residents in 2024. Poplar Grove holds 9.7% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Poplar Grove

1 ZIP Code Tabulation Area (ZCTA) overlaps Poplar Grove by at least 10% of the ZCTA's or the village's land: 61065. 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 Poplar Grove is

The Census internal point of Poplar Grove is at 42.351100, -88.843800. Springfield, the capital, is 182.5 miles SSW in a straight line. The nearest larger place is Belvidere, IL (25,325 people), 6.3 miles away. The nearest city of 100,000 or more is Rockford, IL, 12.9 miles away.

Daylight in Poplar Grove

At 42.35° N, Poplar Grove gets about 15 h 17 min of daylight around the June solstice and 9 h 05 min around the December solstice, a swing of 6 h 12 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Poplar Grove

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Capron, 6.3 miles away, with 1,402 people.