Oconomowoc city, Wisconsin
Oconomowoc city profile, demographic data, and geographic information.
Oconomowoc city is a geographic entity located in Waukesha County, Wisconsin. As of official census estimates, it has a reported population of 20,119. The land area covers 11.82 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population (2025 PEP Estimate) | 20,119 | — | 2025 / Census |
| Median Age | 42.6 yrs | ±2.6 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 7,833 | ±252 | 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 | 8,025 | ±294 |
| Occupied Housing Units | 7,833 | ±252 |
| Vacant Housing Units | 192 | ±141 |
| Median Home Value | $394,500 | ±$18,074 |
| Median Gross Rent | $1,301 | ±$70 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $106,425 | ±$11,751 |
| Per Capita Income | $53,735 | ±$3,220 |
| Poverty Rate | 7.7% | ±2.1% |
| Population Below Poverty Level | 1,466 | ±404 |
| Unemployment Rate | 2.2% | ±1.3% |
| Civilian Labor Force, Employed | 10,080 | ±479 |
| Broadband Internet Rate | 94.7% | ±4.3% |
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 |
|---|---|---|---|
|
GUS Population: 20,002 (2024)
ID: 136603
|
Municipal | Official Local Government |
Contact: MAYOR
PO BOX 27, OCONOMOWOC WI 53066-0027
|
|
GUS Population: 417,029 (2024)
ID: 136514
|
County | Official County Government |
Contact: BUDGET MANAGEMENT SPECIALIST
515 W MORELAND BLVD, STE G72, WAUKESHA WI 53188-2428
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Oconomowoc | PK-08 | Oconomowoc, WI | |
| Regular School Oconomowoc | PK-04 | Oconomowoc, WI | |
| Regular School Oconomowoc | KG-12 | Oconomowoc, WI | |
| Regular School Oconomowoc | PK-04 | Oconomowoc, WI | |
| Regular School Oconomowoc | 05-08 | Oconomowoc, WI | |
| Regular School Oconomowoc | 09-12 | Oconomowoc, WI | |
| Regular School Oconomowoc | PK-04 | Oconomowoc, WI | |
| Regular School Oconomowoc | 05-08 | Oconomowoc, WI | |
| Regular School Oconomowoc | PK-08 | Oconomowoc, WI | |
| Regular School Oconomowoc | PK-04 | Oconomowoc, WI |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 3 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
OCONOMOWOC MEMORIAL HOSPITAL
|
Hospital | City address association | 791 E SUMMIT AVE, OCONOMOWOC, WI, 53066 |
(262) 569-9400
|
|
Nashotah House
|
College | 3.8 mi away | 2777 Mission Rd, Nashotah, WI, 53058-9793 |
2626466500
|
|
OCONOMOWOC PUBLIC LIBRARY
|
Library | 0.8 mi away | 200 SOUTH ST., OCONOMOWOC, WI, 53066 |
(262) 569-2193
|
|
ROGERS MEMORIAL HOSPITAL
|
Psychiatric | City address association | 34700 VALLEY RD, OCONOMOWOC, WI, 53066 |
(262) 646-4411
|
|
Waukesha County Technical College
|
College | 12.2 mi away | 800 Main Street, Pewaukee, WI, 53072-4601 |
2626915566
|
|
DELAFIELD PUBLIC LIBRARY
|
Library | 5.4 mi away | 500 GENESEE ST., DELAFIELD, WI, 53018 |
(262) 646-6230
|
|
Maranatha Baptist University
|
College | 13.8 mi away | 745 West Main Street, Watertown, WI, 53094 |
9202619300
|
|
HARTLAND PUBLIC LIBRARY
|
Library | 7.5 mi away | 110 E. PARK AVE., HARTLAND, WI, 53029 |
(262) 367-3350
|
|
Carroll University
|
College | 15.0 mi away | 100 N East Ave, Waukesha, WI, 53186 |
2625471211
|
|
TOWN HALL LIBRARY
|
Library | 7.5 mi away | N76 W31429 HWY. V V, NORTH LAKE, WI, 53064 |
(262) 966-2933
|
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 OCONOMOWOC WWTP, WI US, located 0.4 miles from Oconomowoc city. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 28.1° | 11.1° | 19.6° | 1.65" | 11.1" |
| February | 32.0° | 14.0° | 23.0° | 1.61" | 9.8" |
| March | 43.7° | 24.6° | 34.2° | 2.10" | 4.8" |
| April | 56.4° | 35.8° | 46.1° | 3.86" | 2.0" |
| May | 68.6° | 47.2° | 57.9° | 4.14" | 0.2" |
| June | 78.4° | 57.0° | 67.7° | 4.86" | 0.0" |
| July | 82.3° | 61.2° | 71.8° | 4.12" | 0.0" |
| August | 80.6° | 59.7° | 70.2° | 4.17" | 0.0" |
| September | 73.8° | 51.6° | 62.7° | 3.39" | 0.0" |
| October | 60.8° | 39.8° | 50.3° | 2.83" | 0.1" |
| November | 46.0° | 28.6° | 37.3° | 2.21" | 1.4" |
| December | 33.7° | 18.0° | 25.9° | 1.87" | 10.2" |
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 |
|---|---|---|---|
| Oconomowoc city | City | 0.0 mi | — |
| Oconomowoc Lake village | Village | 2.3 mi | — |
| Summit village | Village | 3.3 mi | — |
| Lac La Belle village | Village | 4.1 mi | — |
| Nashotah village | Village | 4.5 mi | — |
| Ixonia CDP | CDP | 5.7 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 5513359250. • 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.