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Census Data for Johnstown

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

San Diego County ...

Johnstown is located in San Diego County<2>.

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

Miscellaneous Information for Johnstown ...

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 San Diego County or the community of Johnstown:

  • The GNIS Codes ...
    • The current system of identification is called the Geographic Names Information System (GNIS). The following GNIS codes relate to Johnstown:
    • GNIS ID for Johnstown: 1656547
    • GNIS ID for San Diego County: 277301
    • GNIS ID for State of California: 1779778
  • Misc. Census Codes ...
    • Johnstown is 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 Johnstown.

Footnotes ...

<1>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<2>If you're interested in how the shape of California's counties, including San Diego, have changed over time, we recommend the Atlas of Historical County Boundaries.