Most working residents leave Sullivan for work: only 2% work in town. The top destinations are Waukesha (8%), Oconomowoc (7%) and Madison (5%). Half commute less than 20 miles.

Waukesha

Oconomowoc

Madison

Pewaukee

2%Work in townlive and work in Sullivan 20 miWhere do people commute?the commute map 264Jobs based herebalanced

Census LEHD 2023 · ACSWork & commute in Sullivan →

Health in Sullivan

Health Grade B

Healthier than 60% of U.S. towns on seven CDC estimates.

Compared with Wisconsin

≈Just like Wisconsin

No difference on any of 32 measures is outside the margin of error.

Conditions all close Habits all close Care all close Mind all close Everyday needs all close

BetterToo close to callWorse

What stands out

Nothing stands out: Sullivan tracks Wisconsin closely.

Care nearby

Oconomowoc Memorial HospitalOconomowoc · 8.2 mi · ER

Rock River Community Clinic - Johnson CreekJohnson Creek · 9.7 mi · sliding-scale fees

Primary careNo shortage

DentalNo shortage

Mental healthNo shortage

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Sullivan · CMS · HRSAHealth in Sullivan →

Natural hazards in Sullivan

Low

Expected storm and flood damage is higher than in 33% of U.S. communities.

🌊 Inland flooding🌪️ Tornadoes🥶 Cold waves

1Does Sullivan flood?paid flood claims since 1979 5Disasters that paid out herefederal disasters sent FEMA money to Sullivan MapSullivan vs. its neighborsnearby towns shaded by rating

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

Climate in Sullivan

Full climate →

Sullivan has cold, snowy winters and pleasant summers. A typical July afternoon reaches 82°, a January night drops to 12°, and about 51 inches of snow falls in a normal winter.

31° / 15°Winter

56° / 36°Spring

80° / 59°Summer

60° / 40°Fall

How much snow does Sullivan get?About 51 inches a winter.Rain & snow →When is the first frost?Around Oct 9, with the last in spring around May 3.Frost dates →Is it warmer than it used to be?+1.2° vs. the 20th century.Then & now →

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

Schools in Sullivan

All Sullivan schools →

C⁺

School Grade C+

The public schools Sullivan’s kids attend, from kindergarten through graduation, trail 61% of Wisconsin’s districts on state tests and graduation. Among towns with similar incomes, they sit near the middle.

DistrictJefferson School DistrictSchools1

Sullivan Elementary A-Elementary · Grades PK–5 · 144 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 WI. Ratings are from neighbors.