RoadsideThoughts
A Gazetteer for the United States and Canada
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Census Data for Cape Horn

So far, we found very little information about Cape Horn. The little that we've found leads us believe that the community is historic.<1>

We've added Cape Horn to our Gazetteer with the hope that we can develop more information. If you can help us with Cape Horn, please Contact Us.


As far as we can tell, Cape Horn has not been included in past Census counts, so there is no population information for this community.

While we don't have census information for Cape Horn, you might be interested in some nearby communities where we do:

Custer County ...

Cape Horn is located in Custer County<3>.

For more information, please visit our Census Page for Custer County.

Miscellaneous Information for Cape Horn ...

The Federal government has assigned various identifying codes to each community, county and state. At one time or another, the US Census Bureau has used one (or more) of the following identifiers when referring to either Custer County or the community of Cape Horn:

  • The GNIS Codes ...
    • The current system of identification is called the Geographic Names Information System (GNIS). The following GNIS codes relate to Cape Horn:
    • GNIS ID for Cape Horn: 399348
    • GNIS ID for Custer County: 399758
    • GNIS ID for State of Idaho: 1779783
  • Misc. Census Codes ...
    • Cape Horn would have been located in Census Region #4 (the West Region) and Division #8 (the Mountain Division).

For more information about the various Federal identification codes, please visit our Misc Page for Cape Horn.

Footnotes ...

<1>We use the term 'Historic' broadly and it generally means that the community no longer exists. However, it can also mean that the community might still exist, but was significantly larger or had a more 'official' existence in the past than it does now. Unfortunately our sources of data have proven to be unreliable. If you can provide us with more specific information about Cape Horn, please let us know so that we can improve our accuracy.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<3>If you're interested in how the shape of Idaho's counties, including Custer, have changed over time, we recommend the Atlas of Historical County Boundaries.