Flynn Township is a civil township of Sanilac County in the U.S. state of Michigan. The population was 1,013 at the 2020 census. Board meetings are held on the second Tuesday of each month at 8:00 PM (Eastern Time Zone) at the Flynn Township Senior Center, 5251 Shephard Road Brown City, MI 48416.

Official town website ↗

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

Town numbers

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Living in Flynn

Work & commute in Flynn

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Most working residents leave Flynn for work: only 1% work in town. The top destinations are Brown City (10%), Sandusky (7%) and Marlette (4%). Half commute less than 25 miles.

Brown City

10%

Sandusky

Marlette

Imlay City

1%Work in townlive and work in Flynn 25 miWhere do people commute?the commute map 120Jobs based herea commuter town

Census LEHD 2021 · ACSWork & commute in Flynn →

Health in Flynn

C⁻

Health Grade C−

Healthier than 17% of U.S. towns on seven CDC estimates, and 35% of towns with similar incomes.

Compared with Michigan

12worse than MI

of 32 measures CDC estimates. The other 20 are too close to call.

Conditions 5▼ 7 close Habits 2▼ 2 close Care 2▼ 5 close Mind 3▼ 2 close Everyday needs all close

BetterToo close to callWorse

What stands out

13.6%More older adults who have lost all their teethMI 10.2% · worse 19.3%More smokersMI 14.6% · worse 10.7%More adults with COPDMI 8.1% · worse

Care nearby

Marlette Regional HospitalMarlette · 7.8 mi · ER · rural critical access

Great Lakes Bay Health Centers Imlay CityImlay City · 20.9 mi · sliding-scale fees

Primary careShortage · county-wide

DentalShortage · county-wide

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · ZIP codes 48416, 48453 · CMS · HRSAHealth in Flynn →

Natural hazards in Flynn

Low

Expected storm and flood damage is higher than in 37% of U.S. communities.

🥶 Cold waves🌊 Inland flooding🌪️ Tornadoes

0Does Flynn flood?no paid flood claims on record NoneDisasters that paid out hereof 10 declared for Sanilac County MapFlynn vs. its neighborsnearby towns shaded by rating

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

Climate in Flynn

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Flynn has chilly, snowy winters and pleasant summers. A typical July afternoon reaches 81°, a January night drops to 16°, and about 41 inches of snow falls in a normal winter.

32° / 18°Winter

55° / 35°Spring

79° / 58°Summer

59° / 41°Fall