Welcome to Oconomowoc ...
The city of Oconomowoc is located in Waukesha County<1>.
While we don't have a date for the founding of Oconomowoc, you might consider that their post office opened in 1847.
From the Census Estimates for 2019, Oconomowoc has a population of 16,993 people<2> (see below for details).
Oconomowoc is 850 feet [259 m] above sea level.<3>.
Time Zone: Oconomowoc lies in the Central Time Zone (CST/CDT) and observes daylight saving time
Area Code for Oconomowoc: 262
The ZIP code for Oconomowoc: 53066<4>
Population Details ...
Taken from the 2019 Census Estimates, Oconomowoc had an population of 16,993 people. This is an increase of 7.83% since the 2010 Census (or an increase of 37.24% since the 2000 Census).
At the time of the 2010 Census, Oconomowoc had a population of 15,759 people. This makes Oconomowoc the county's 6th most populous community.
The population of Oconomowoc represents 0.28% of the total population of Wisconsin (which has 5,686,986 people), making it the state's 52nd most populous community.
With a 2010 count of 15,759 people, the population of Oconomowoc increased 27.27% from the 2000 Census (with a count of 12,382 people).
More information can be found on the Census Page for Oconomowoc.
Communities near Oconomowoc ...
We have created a list of 10 communities that are near Oconomowoc.
- Waukesha
(14 miles [22.5 km] to the southeast)
- Waukesha is located in Waukesha County
- Jump to our Gazetteer entry for Waukesha
- Population from the 2020 Census: 72,376 people
- Brookfield
(19 miles [30.6 km] to the east)
- Brookfield is located in Waukesha County
- Jump to our Gazetteer entry for Brookfield
- Population from the 2020 Census: 39,164 people
- Menomonee Falls
(19 miles [30.6 km] to the east)
- Menomonee Falls is located in Waukesha County
- Jump to our Gazetteer entry for Menomonee Falls
- Population from the 2020 Census: 38,243 people
- Watertown
(13 miles [20.9 km] to the northwest)
- Watertown is located in Jefferson County
- Jump to our Gazetteer entry for Watertown
- Population from the 2020 Census: 23,370 people
- Hartford
(15 miles [24.1 km] to the north)
- Hartford is located in Washington County
- Jump to our Gazetteer entry for Hartford
- Population from the 2020 Census: 15,675 people
- Pewaukee
(13 miles [20.9 km] to the east)
- Pewaukee is located in Waukesha County
- Jump to our Gazetteer entry for Pewaukee
- Population from the 2020 Census: 14,703 people
- Richfield
(18 miles [29 km] to the northeast)
- Richfield is located in Washington County
- Jump to our Gazetteer entry for Richfield
- Estimated population in 2015: 11,530 people
- Sussex
(13 miles [20.9 km] to the east)
- Sussex is located in Waukesha County
- Jump to our Gazetteer entry for Sussex
- Population from the 2020 Census: 11,086 people
- Hartland
(7 miles [11.3 km] to the east)
- Hartland is located in Waukesha County
- Jump to our Gazetteer entry for Hartland
- Population from the 2020 Census: 9,338 people
- Mukwonago
(18 miles [29 km] to the southeast)
- Mukwonago is located in Waukesha County
- Jump to our Gazetteer entry for Mukwonago
- Population from the 2020 Census: 8,107 people
To Help With Your Genealogy Research ...
We have a couple of sections for those tracing their genealogy.
We created a list of cemeteries that are in the area around Oconomowoc. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Oconomowoc.
Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Oconomowoc. Our list includes information such as whether the 1895 community had a post office or railroad service. See our List of 1890's Communities around Oconomowoc.
We also have a detailed list of newspapers that have been published in the area around Oconomowoc. Our list includes 14 papers. See our Newspapers Page for Oconomowoc.
Adding Oconomowoc to Our Gazetteer ...
We originally found mention of Oconomowoc in both the FIPS-55 and the GNIS. For more information, see the FIPS and GNIS Codes sections on our Miscellaneous Page.
From our notes, the earliest published mention we've found (so far) for Oconomowoc was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<5>
From that list, the Oconomowoc post office opened in 1847.
For more details, see References and Mentions for Oconomowoc.
Footnotes ...
| <1> | If you're interested in how the shape of Wisconsin's counties, including Waukesha, have changed over time, we recommend the Atlas of Historical County Boundaries. |
| <2> | Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for Oconomowoc. |
| <3> | The elevation is an estimate for the area around Oconomowoc - it will be higher in some places and lower in others. |
| <4> | ZIP Codes have been created by the United States Postal Service (USPS) as a way of grouping addresses to make delivery more efficient. The boundaries of the ZIP Code can be changed, re-assigned, eliminated or overlapped with other ZIP Codes. So keep in mind that any given ZIP Code is only 'loosely' associated with a city (such as Oconomowoc). When looking for a ZIP Code, whether Oconomowoc or elsewhere, it's always best to check the website of the United States Postal Service (USPS). |
| <5> | A copy of the Blevins & Helbock Post Office list with background information can be found at:
https://cblevins.github.io/us-post-offices/data-biography/ |