A Gazetteer for the United States and Canada

Ervay, Wyoming

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Although we found mention of Ervay during our research, we have little information about it.<1> Over time, we expect to discover additional information that will be added to our Gazetteer..

One piece of information that we would especially like to find is the location (ie- GPS coordinates) of Ervay. If you can help us locate Ervay, please Contact Us.

About Ervay (Click for our profile page)

Located in: Natrona County (see below)

Time Zone: Ervay lies in the Mountain Time Zone (MST/MDT)

Telephone Area Code: (307)

Federal GNIS/FIPS Codes for Ervay

GNIS ID:   None

FIPS State / Place Code:   56 / 25040

(For more about Federal Codes, see our Misc Page for Ervay)

About Natrona County

The community of Casper is the County Seat for Natrona County.

From the 2010 US Census     (For more detail, see our Census Page for Fremont)


2019 Est:<2>     79,734   (5.68% increase since 2010)  
2010     75,450   (13.4% increase since 2000)
2000:     66,533

Total Area:<3>   5,375 sq. miles [13,922.9 km²]

Housing Units: <4>   33,807

Official Website:

Federal GNIS/FIPS Codes for Natrona

GNIS ID:   1605077

FIPS State / County Code:   56 / 025

(For more about Federal Codes, see our Misc Page for Ervay)

About Wyoming

From the US Census


2019 Est:     580,116   (2.93% increase since 2010)  
2010:     563,626   (14.14% increase since 2000)
2000:     493,782

Websites for State of Wyoming

Official Website:





Federal GNIS/FIPS Codes for State of Wyoming

GNIS ID:   1779807

FIPS State:   56

(For more about Federal Codes, see our Misc Page for Ervay)

Other Roadside Stops ...

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About Natrona County

About Wyoming

Off-the-Road Links ...

The official website for Natrona County:

The official website for State of Wyoming:

Footnotes ...

<1>If we encounter the name of what might be a community, our methodology is to add that name to our Gazetteer. For example, we might find a sentence like "He went south past Ervay and then turned east". While Ervay could be some kind of landmark, we think that it's more likely to be a community. We've added Ervay as a placeholder with the hope that we'll be able to add more information in the future.

Just as a reminder: Our definition of a community is rather broad and includes those places (or areas) where several families lived and had a name which identified that place. For example, you might hear somebody say that they are going over to Miller Creek to see Pete ... Miller Creek is just a gas station and a couple of homes at the crossroads. While it might not be on the map, everybody in the area knows it by that name.

Places of interest include buildings at a crossroad, several families clustered in a hollow or maybe the location of a way station. It also includes places like mines, lumber camps, ferry crossings, etc. The community might still exist, is now gone or only existed for just a short period of time.

Also keep in mind that Ervay could have been on the original document by mistake, misspelled, the original/alternate name of a community that we've listed elsewhere or was placed in the wrong county. Sometimes a post office or train station would have a different name than the community where it's located, so two names might be referring to the same community - we're working to straighten it all out.

Since confusion between counties is common, we searched and weren't able to find another Wyoming community named Ervay.
<2>Every year, the US Census Bureau creates a population estimate for the preceeding year. Keep in mind that this value is an estimate and not an actual count. The most recent Census estimate is for the year 2019.
<3>The area value has been supplied by the US Census Bureau and it can be different than the geographic boundaries of Ervay. The value given by the Census Bureau reflects their statistical (or sampling) requirements. For example, if there is a cluster of people living just outside of the community's official boundary, the Census-defined area might be expanded to include that group.
<4>A Housing Unit is a broad term for those places where people live (whether occupied or temporarily vacant), such as a house, an apartment, a mobile home, or an area that is considered as a separate living quarter. Separate living quarters (consisting of one or more rooms) are considered to be those places where people live, sleep and eat separately from others and that have access to the outside (either directly or by a shared hallway).




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This page was last modified: 28 Sep 2021