Welcome to Illco ...
Illco is located in Natrona County<1>.
The location of Illco has been provided by the Geographic Names Information System (ie- the GNIS).<2>
While we don't have a date for the founding of Illco, you might consider that their post office opened in 1926.
Illco is 5,320 feet [1,622 m] above sea level.<3> In other words, the elevation of Illco is 1 mile [or ~1½ km] above sea level.
Time Zone: Illco lies in the Mountain Time Zone (MST/MDT) and observes daylight saving time
Illco is located in the (307) area code.
Communities near Illco ...
We have created a list of 10 communities that are near Illco.
- Casper
(13 miles [20.9 km] to the southeast)- Jump to our Gazetteer entry for Casper
- Casper is located in Natrona County
- Population from the 2020 Census: 58,498 people
- Jump to TripAdvisor's Tourism page for Casper <4>
- Mills
(13 miles [20.9 km] to the southeast)- Jump to our Gazetteer entry for Mills
- Mills is located in Natrona County
- Population from the 2020 Census: 4,077 people
- Jump to TripAdvisor's Tourism page for Mills <4>
- Evansville
(15 miles [24.1 km] to the southeast)- Jump to our Gazetteer entry for Evansville
- Evansville is located in Natrona County
- Population from the 2020 Census: 3,004 people
- Jump to TripAdvisor's Tourism page for Evansville <4>
- Bar Nunn
(9 miles [14.5 km] to the southeast)- Jump to our Gazetteer entry for Bar Nunn
- Bar Nunn is located in Natrona County
- Population from the 2020 Census: 2,870 people
- Jump to TripAdvisor's Tourism page for Bar Nunn <4>
- Homa Hills
(7 miles [11.3 km] to the east)- Jump to our Gazetteer entry for Homa Hills
- Homa Hills is located in Natrona County
- Antelope Hills
(10 miles [16.1 km] to the northeast)- Note: The GPS coordinates that we are using for Antelope Hills have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Antelope Hills
- Antelope Hills is located in Natrona County
- Vista West
(10 miles [16.1 km] to the south)- Note: The GPS coordinates that we are using for Vista West have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Vista West
- Vista West is located in Natrona County
- Hartrandt
(11 miles [17.7 km] to the southeast)- Jump to our Gazetteer entry for Hartrandt
- Hartrandt is located in Natrona County
- Mountain View
(11 miles [17.7 km] to the southeast)- Note: The GPS coordinates that we are using for Mountain View have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Mountain View
- Mountain View is located in Natrona County
- Red Butte
(14 miles [22.5 km] to the south)
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 Illco. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Illco.
Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Illco. 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 Illco.
We also have a detailed list of newspapers that have been published in the area around Illco. See our Newspapers Page for Illco.
TripAdvisor Tourism Pages for Illco ...
Looking for more information about Illco? A wonderful source is the TripAdvisor website. We always start with the TripAdvisor Tourism page, where you can read an overview with links that will help you find lodging, restaurants and attractions.
While we are unaware of a Tourism page that is specific to Illco, there are neighboring communities that do have Tourism pages. A map of those communities can be found with our TripAdvisor Page for Illco.
Adding Illco to Our Gazetteer ...
We originally found mention of Illco 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 for Illco was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<5>
From that list, the Illco post office opened in 1926.
We also found Illco on a map titled Shell Oil Road Map for Wyoming (1956).
For more details, see References and Mentions for Illco.
Off-the-Road Links ...
Unfortunately, we don't know of a website for Illco. If you can help, please contact us through our Feedback Page.
The official website for Natrona County: www.natrona.net/
The official website for State of Wyoming: www.wyo.gov/
Footnotes ...
| <1> | If you're interested in how the shape of Wyoming's counties, including Natrona, have changed over time, we recommend the Atlas of Historical County Boundaries. |
| <2> | The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required. |
| <3> | The elevation is an estimate for the area around Illco - it will be higher in some places and lower in others. |
| <4> | While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program. |
| <5> | A copy of their list with background information can be found at: https://cblevins.github.io/us-post-offices/data-biography/ |