Deer Grove is a village in Whiteside County, Illinois, home to about 36 people across 0.4 square miles. It has no ZIP code of its own: it’s part of 61243.
Population3688 per sq mi
Median home value$112,500Census, as estimated by owners
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Population over time
Deer Grove had 38 residents in the 2020 census, down 21% since 2000.
It’s the 1421st largest of 1,450 towns in Illinois by population.
Whiteside County grew from 34,710 residents in 1900 to 55,691 in 2020.
Whiteside County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Weather by month
Average highs peak around 83°F in summer, and winter lows average 13°F. About 36.7 inches of rain and melted snow fall in a typical year, with about 36 inches of snow.
Source: NOAA 1991–2020 climate normals, Walnut, IL weather station (7 miles away).
Jobs in Whiteside County
17,838 jobs at 1,158 businesses in Whiteside County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Health care
Nearest hospitals
Cgh Medical CenterGeneral hospital · emergency room · CMS rating 1 of 5 · Sterling11.7 miles
Morrison Community HospitalCritical access hospital · emergency room · Morrison18.1 miles
Osf Saint Katharine Medical CenterGeneral hospital · emergency room · CMS rating 2 of 5 · Dixon18.5 miles
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Places in and around Deer Grove
Museums
Tampico Area Historical Society and Museum4.6 mi
Counts are within about 1 mile of the center of town.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.