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Summary for Mount Vernon

About Mount Vernon (Click for our profile page)

Located in: Posey County (see below)

Typical Abbreviation: Mt. Vernon

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

Telephone Area Codes: 812 & 930<1>

ZIP Code: 47620<2>

Elevation: 410 feet [124.97 m] above sea level<3>

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

Population

Year	Population
2019 Est:<4>	6,489 (2.96% decrease since 2010)
2010:	6,687 (10.58% decrease since 2000)
2000:	7,478

Total Area:<5> 2.86 sq. miles [7.4 km²] - of which 1.75% is water (0.05 sq. miles [0.1 km²])

Housing Units:<6> 3,077

GPS Coordinates (Latitude/Longitude)<7>

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

Lat: 37.932200° (or 37°55'55" N)

Lon: -87.895600° (or -87°53'44" W)

USGS Topo Map: Mount Vernon<8>

Federal GNIS/FIPS Codes for Mount Vernon

GNIS ID: 2395128

FIPS State / Place Code: 18 / 51732

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

About Posey County

The city of Mount Vernon is the County Seat for Posey County.

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

Population

Year	Population
2019 Est:	25,427 (1.68% decrease since 2010)
2010	25,861 (4.43% decrease since 2000)
2000:	27,061

Total Area: 419.3 sq. miles [1,086 km²] - of which 2.33% is water (9.75 sq. miles [25.3 km²])

Housing Units: 11,207

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

Federal GNIS/FIPS Codes for Posey

GNIS ID: 450383

FIPS State / County Code: 18 / 129

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

About Indiana

From the US Census

Population

Year	Population
2019 Est:	6,731,010 (3.81% increase since 2010)
2010:	6,483,802 (6.63% increase since 2000)
2000:	6,080,485

Websites for State of Indiana

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

Tourism: https://visitindiana.com/

Parks: https://www.in.gov/dnr/

Fishing: https://www.in.gov/dnr/fish-and-wildlife/fishing/

Hunting: https://www.in.gov/dnr/fish-and-wildlife/hunting-and-trapping/

Federal GNIS/FIPS Codes for State of Indiana

GNIS ID: 448508

FIPS State: 18

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

Footnotes ...

<1>	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 812 code has been Overlayed with the 930 area code. New phone numbers in the Mount Vernon area will be assigned with one of these codes: 812 or 930. As a result, placing a call in the Mount Vernon area will require 10-digit dialing (where you enter both the area code and then the phone number).
<2>	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 city (such as Mount Vernon). When looking for a ZIP Code, whether Mount Vernon or elsewhere, it's always best to check the website of the United States Postal Service (USPS).
<3>	The elevation is an estimate for the area around Mount Vernon - it will be higher in some places and lower in others.
<4>	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.
<5>	The area value has been supplied by the US Census Bureau and it can be different than the geographic boundaries of Mount Vernon. 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.
<6>	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).
<7>	Longitude & latitude values may not be the geographic center of Mount Vernon, rather it may be a prominent intersection or the center of population, etc. It will vary depending on the source.
<8>	Name of the USGS 7.5 Minute topographic map which includes Mount Vernon.