Sullivan town, Wisconsin
Sullivan town profile, demographic data, and geographic information.
Sullivan town is a geographic entity located in Jefferson County, Wisconsin. As of official census estimates, it has a reported population of 2,318. The land area covers 34.86 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 2,318 | — | 2025 / Census |
| Median Age | 51.3 yrs | ±5.8 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 880 | ±118 | 2020-2024 / Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).
Housing & Real Estate Profile
| Housing Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Total Housing Units | 913 | ±124 |
| Occupied Housing Units | 880 | ±118 |
| Vacant Housing Units | 33 | ±36 |
| Median Home Value | $307,300 | ±$38,277 |
| Median Gross Rent | $1,043 | ±$126 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $85,833 | ±$8,331 |
| Per Capita Income | $48,532 | ±$6,934 |
| Poverty Rate | 6.7% | ±3.5% |
| Population Below Poverty Level | 135 | ±74 |
| Unemployment Rate | 6.6% | ±5.5% |
| Civilian Labor Force, Employed | 1,039 | ±177 |
| Broadband Internet Rate | 93.6% | ±3.6% |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
TOWN OF SULLIVAN
GUS Population: 2,308 (2024)
ID: 191863
|
Township | Official Local Government |
Contact: TOWN CLERK
N3866 WEST ST, SULLIVAN WI 53178-9621
|
|
GUS Population: 86,245 (2024)
ID: 177064
|
County | Official County Government |
Contact: CHAIRPERSON
311 S CENTER AVE, JEFFERSON WI 53549-1799
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Sullivan | PK-05 | Sullivan, WI | |
| Regular School Nearby | PK-08 | Oconomowoc, WI | |
| Regular School Nearby | 09-12 | Hartland, WI | |
| Regular School Nearby | KG-05 | Fort Atkinson, WI | |
| Regular School Nearby | PK-06 | Mukwonago, WI | |
| Regular School Nearby | PK-05 | Delafield, WI | |
| Regular School Nearby | PK | Mukwonago, WI | |
| Regular School Nearby | PK-05 | Dousman, WI | |
| Regular School Nearby | PK-05 | Eagle, WI | |
| Regular School Nearby | KG-06 | Eagle, WI |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
University of Wisconsin-Whitewater
|
College | 11.5 mi away | 800 W Main St, Whitewater, WI, 53190-1790 |
2624721234
|
|
POWERS MEMORIAL LIBRARY
|
Library | 6.6 mi away | 115 W. MAIN ST., PALMYRA, WI, 53156 |
(262) 495-4605
|
|
Nashotah House
|
College | 12.2 mi away | 2777 Mission Rd, Nashotah, WI, 53058-9793 |
2626466500
|
|
ALICE BAKER MEMORIAL PUBLIC LIBRARY
|
Library | 9.9 mi away | 820 E. MAIN ST., EAGLE, WI, 53119 |
(262) 594-2800
|
|
Maranatha Baptist University
|
College | 16.7 mi away | 745 West Main Street, Watertown, WI, 53094 |
9202619300
|
|
JEFFERSON PUBLIC LIBRARY
|
Library | 10.1 mi away | 321 S. MAIN ST., JEFFERSON, WI, 53549 |
(920) 674-7733
|
|
Waukesha County Technical College
|
College | 19.3 mi away | 800 Main Street, Pewaukee, WI, 53072-4601 |
2626915566
|
|
JOHNSON CREEK PUBLIC LIBRARY
|
Library | 11.0 mi away | 125 LINCOLN ST., JOHNSON CREEK, WI, 53038 |
(920) 699-3741
|
|
Carroll University
|
College | 19.6 mi away | 100 N East Ave, Waukesha, WI, 53186 |
2625471211
|
|
OCONOMOWOC PUBLIC LIBRARY
|
Library | 11.1 mi away | 200 SOUTH ST., OCONOMOWOC, WI, 53066 |
(262) 569-2193
|
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.
Climate & Weather Observations
NOAA Monthly Climate Normals
Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at SULLIVAN 3SE, WI US, located 3.2 miles from Sullivan town. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 26.9° | 11.3° | 19.1° | 1.68" | 13.2" |
| February | 31.0° | 14.1° | 22.6° | 1.78" | 11.7" |
| March | 43.2° | 23.9° | 33.5° | 2.13" | 6.3" |
| April | 56.4° | 34.7° | 45.6° | 3.85" | 2.4" |
| May | 68.5° | 46.0° | 57.3° | 4.25" | 0.0" |
| June | 78.3° | 56.1° | 67.2° | 4.90" | 0.0" |
| July | 82.1° | 60.1° | 71.1° | 4.11" | 0.0" |
| August | 80.3° | 58.6° | 69.4° | 3.97" | 0.0" |
| September | 73.3° | 50.8° | 62.0° | 3.47" | 0.0" |
| October | 60.0° | 39.5° | 49.8° | 2.95" | 0.4" |
| November | 45.0° | 27.9° | 36.5° | 2.35" | 3.2" |
| December | 32.5° | 17.4° | 24.9° | 2.08" | 13.5" |
Source: NOAA U.S. Climate Normals (1991–2020).
Local Weather Forecast
Weather forecast data is currently unavailable in the local cache.
Nearby Cities & Communities
Listing adjacent communities by spatial proximity (miles)
Proximity discovery
| Community Name | Classification | Distance | Population |
|---|---|---|---|
| Rome CDP | CDP | 2.1 mi | — |
| Sullivan village | Village | 3.0 mi | — |
| Hebron CDP | CDP | 5.3 mi | — |
| Helenville CDP | CDP | 5.4 mi | — |
| Palmyra village | Village | 6.1 mi | — |
| Dousman village | Village | 7.4 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 5505578200. • Official Source Dataset →
- Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
- Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.