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Census Data for Allen

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

  • San Jose
    (2 miles [3.2 km] to the east)
  • Delavan
    (7 miles [11.3 km] to the northeast)
  • Green Valley
    (7 miles [11.3 km] to the north)
  • Mason City
    (7 miles [11.3 km] to the south)
  • Emden
    (8 miles [12.9 km] to the east)
  • New Holland
    (9 miles [14.5 km] to the southeast)
  • Forest City
    (10 miles [16.1 km] to the northwest)
    • Forest City is located in Mason County
    • Jump to our Gazetteer entry for Forest City
  • Manito
    (10 miles [16.1 km] to the northwest)
  • Easton
    (11 miles [17.7 km] to the southwest)
  • Hartsburg
    (11 miles [17.7 km] to the east)
  • South Pekin
    (13 miles [20.9 km] to the north)
    • South Pekin is located in Tazewell County
    • Jump to our Gazetteer entry for South Pekin
  • Hopedale
    (14 miles [22.5 km] to the northeast)
  • Continue List   (206 more) ...

Mason County ...

Allen is located in Mason County<2>.

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

Miscellaneous Information for Allen ...

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 Mason County or the community of Allen:

  • The GNIS Codes ...
    • The current system of identification is called the Geographic Names Information System (GNIS). The following GNIS codes relate to Allen:
    • GNIS ID for Allen: 422398
    • GNIS ID for Mason County: 424261
    • GNIS ID for State of Illinois: 1779784
  • The FIPS Codes ...
    • An earlier (and largely obsolete) identification method was called the Federal Information Processing Standard (FIPS):
    • State Code: 17 (Illinois)
    • County Code: 125 (Mason County)
    • Place Code: 00776 (Allen)
    • State & County Code: 17/125 (Illinois / Mason County)
    • State & Place Code: 17/00776 (Illinois / Allen)
  • Misc. Census Codes ...
    • Allen is located in Census Region #2 (the Midwest Region) and Division #3 (the East North-Central Division).

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

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 Illinois' counties, including Mason, have changed over time, we recommend the Atlas of Historical County Boundaries.