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Summary for Plymouth

About Plymouth (Click for our profile page)

Located in: Primarily Hancock County (see below). A portion of Plymouth extends into McDonough County.

Pronunciation: PLIM-uhth <1>

Time Zone: Plymouth lies in the Central Time Zone (CST/CDT)

Telephone Area Codes: 309 & 861<2>

ZIP Code: 62367<3>

Elevation: 640 feet [195.07 m] above sea level<4>

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

Population

Year	Population
2019 Est:<5>	466 (7.72% decrease since 2010)
2010:	505 (10.14% decrease since 2000)
2000:	562

Total Area:<6> 0.56 sq. miles [1.5 km²]

Housing Units:<7> 248

GPS Coordinates (Latitude/Longitude)<8>

For the purpose of mapping and calculating distances, we have chosen the following reference point for Plymouth:

Lat: 40.292100° (or 40°17'31" N)

Lon: -90.916300° (or -90°54'58" W)

USGS Topo Map: Plymouth<9>

Federal GNIS/FIPS Codes for Plymouth

GNIS ID: 2398989

FIPS State / Place Code: 17 / 60833

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

About Hancock County

The village of Carthage is the County Seat for {Hancock County}.

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

Population

Year	Population
2019 Est:	17,708 (7.24% decrease since 2010)
2010	19,091 (5.12% decrease since 2000)
2000:	20,121

Total Area: 814 sq. miles [2,109.3 km²] - of which 2.54% is water (20.67 sq. miles [53.5 km²])

Housing Units: 9,274

Official Website: https://hancockcounty-il.gov/

Federal GNIS/FIPS Codes for Hancock

GNIS ID: 424235

FIPS State / County Code: 17 / 067

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

About Illinois

From the US Census

Population

Year	Population
2019 Est:	12,667,017 (1.28% decrease since 2010)
2010:	12,830,632 (3.31% increase since 2000)
2000:	12,419,293

Websites for State of Illinois

Official Website: https://www.illinois.gov/

Tourism: https://www.enjoyillinois.com/

Parks: https://dnr.illinois.gov/

Fishing: https://www.ifishillinois.org/

Hunting: https://dnr.illinois.gov/hunting.html

Federal GNIS/FIPS Codes for State of Illinois

GNIS ID: 1779784

FIPS State: 17

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

Footnotes ...

<1>	The pronunciation we've provided is our attempt to give a phonetic pronunciation for Plymouth. While it might not be exactly right, hopefully it will be close. If we have it wrong or there's a better way to pronounce the name, please contact us through our Feedback Page.
<2>	When there's a risk of an area code running out of phone numbers, an 'Overlay Area Code' is created that has the same geographic boundaries as the existing area code. In this case, the 309 code has been Overlayed with the 861 area code. New phone numbers in the Plymouth area will be assigned with one of these codes: 309 or 861. As a result, placing a call in the Plymouth area will require 10-digit dialing (where you enter both the area code and then the phone number).
<3>	ZIP Codes have been created by the United States Postal Service (USPS) as a way of grouping addresses to make delivery more efficient. The boundaries of the ZIP Code can be changed, re-assigned, eliminated or overlapped with other ZIP Codes. So keep in mind that any given ZIP Code is only 'loosely' associated with a village (such as Plymouth). When looking for a ZIP Code, whether Plymouth or elsewhere, it's always best to check the website of the United States Postal Service (USPS).
<4>	The elevation is an estimate for the area around Plymouth - it will be higher in some places and lower in others.
<5>	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.
<6>	The area value has been supplied by the US Census Bureau and it can be different than the geographic boundaries of Plymouth. 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.
<7>	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).
<8>	Longitude & latitude values may not be the geographic center of Plymouth, rather it may be a prominent intersection or the center of population, etc. It will vary depending on the source.
<9>	Name of the USGS 7.5 Minute topographic map which includes Plymouth.