RoadsideThoughts
A Gazetteer for the United States and Canada
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Census Data for Onchomo

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

We've added Onchomo to our Gazetteer with the hope that we can develop more information. We would especially like to find the location of Onchomo - knowing its coordinates, we can explore things like its relationship to neighboring communities, nearby cemeteries, etc. If you can help us with Onchomo, please Contact Us.

As far as we can tell, Onchomo 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 Onchomo, you might be interested in some nearby communities where we do:

El Dorado County ...

Onchomo is located in El Dorado County<2>.

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

Miscellaneous Information for Onchomo ...

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 El Dorado County or the community of Onchomo:

  • The GNIS Codes ...
    • The current system of identification is called the Geographic Names Information System (GNIS). The following GNIS codes relate to Onchomo:
    • GNIS ID for Onchomo: 1733780
    • GNIS ID for El Dorado County: 277273
    • GNIS ID for State of California: 1779778
  • Misc. Census Codes ...
    • Onchomo would have been located in Census Region #4 (the West Region) and Division #9 (the Pacific Division).

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

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 Onchomo, please let us know so that we can improve our accuracy.
<2>If you're interested in how the shape of California's counties, including El Dorado, have changed over time, we recommend the Atlas of Historical County Boundaries.