Flagg is an unincorporated community in the southeastern portion of Ogle County in Flagg Township, Illinois, United States. It may be found at the crossroads of Grange and Titus Roads.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

How Flagg ranks

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#69Rent easiest to afford in IL #195Highest graduation rate in IL #252Shortest commute in IL All IL rankings →

Town numbers

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Living in Flagg

Work & commute in Flagg

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About one in 4 of Flagg’s working residents works in town. The top destinations are Rochelle (34%), Rockford (7%) and Chicago (5%). Half commute less than 18 miles.

Rochelle

34%

Rockford

Chicago

DeKalb

28%Work in townlive and work in Flagg 18 miWhere do people commute?the commute map 3,839Jobs based herebalanced

Census LEHD 2023 · ACSWork & commute in Flagg →

Health in Flagg

C⁺

Health Grade C+

Healthier than 42% of U.S. towns on seven CDC estimates.

Compared with Illinois

6worse than IL

of 32 measures CDC estimates. The other 26 are too close to call.

Conditions 2▼ 10 close Habits 1▼ 3 close Care 2▼ 5 close Mind 1▼ 4 close Everyday needs all close

BetterToo close to callWorse

What stands out

13.3%More older adults who have lost all their teethIL 10.3% · worse 12.2%More uninsured adultsIL 9.9% · worse 7.5%More adults with COPDIL 6.3% · worse

Care nearby

Rochelle Community HospitalRochelle · 2.8 mi · ER · rural critical access

2550 N Annie Glidden RdDekalb · 17.8 mi · sliding-scale fees

Primary careShortage · county-wide

DentalNo shortage

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · ZIP code 61068 · CMS · HRSAHealth in Flagg →

Natural hazards in Flagg

Moderate

Expected storm and flood damage is higher than in 59% of U.S. communities.

🌊 Inland flooding🥶 Cold waves🌪️ Tornadoes

16Does Flagg flood?paid flood claims since 1993 2Disasters that paid out herefederal disasters sent FEMA money to Flagg MapFlagg vs. its neighborsnearby towns shaded by rating

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Flagg →

Climate in Flagg

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Flagg has cold winters and pleasant summers. A typical July afternoon reaches 83°, a January night drops to 13°, and about 28 inches of snow falls in a normal winter.

32° / 17°Winter

59° / 38°Spring

82° / 60°Summer

62° / 41°Fall

How much snow does Flagg get?About 28 inches a winter.Rain & snow →When is the first frost?Around Oct 13, with the last in spring around Apr 26.Frost dates →Is it warmer than it used to be?+1.0° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Flagg →

Schools in Flagg

All Flagg schools →

School Grade C

The public schools Flagg’s kids attend, from kindergarten through graduation, trail 69% of Illinois’s districts on state tests and graduation. Among towns with similar incomes, they rank near the bottom.

See how Flagg’s schools compare in IL →

DistrictRochelle CCSD 231Schools7

Lincoln Elem School C-Elementary · Grades PK–1 · 491 students Central Elem School C-Elementary · Grades 2–3 · 330 students Tilton Elem School B+Elementary · Grades 4–5 · 288 students St. Paul Lutheran SchoolElementary · Grades K–8 · 117 students Rochelle Middle School C+Middle · Grades 6–8 · 488 students Rochelle Twp High School B-High · Grades 9–12 · 859 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within IL. Ratings are from neighbors.