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Summary for South Union

About South Union (Click for our profile page)

Located in: Primarily Logan County (see below). A portion of South Union extends into Simpson County.

Typical Abbreviation: S. Union

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

Telephone Area Codes: 270 & 364<1>

ZIP Code: 42283<2>

Elevation: 600 feet [182.88 m] above sea level<3>

GPS Coordinates (Latitude/Longitude)<4>

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

Lat: 36.877800° (or 36°52'40" N)

Lon: -86.657000° (or -86°39'25" W)

USGS Topo Map: South Union<5>

Federal GNIS/FIPS Codes for South Union

GNIS ID: 503981

FIPS State / Place Code: 21 / 72228

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

About Logan County

The community of Russellville is the County Seat for {Logan County}.

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

Population

Year	Population
2019 Est:<6>	27,102 (0.93% increase since 2010)
2010	26,851 (1.05% increase since 2000)
2000:	26,573

Total Area:<7> 557 sq. miles [1,442.7 km²]

Housing Units: <8> 12,339

Official Website: https://logancountyky.gov/

Federal GNIS/FIPS Codes for Logan

GNIS ID: 516917

FIPS State / County Code: 21 / 141

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

About Kentucky

From the US Census

Population

Year	Population
2019 Est:	4,472,345 (3.06% increase since 2010)
2010:	4,339,367 (7.36% increase since 2000)
2000:	4,041,769

Websites for State of Kentucky

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

Tourism: https://www.kentuckytourism.com/

Parks: https://parks.ky.gov/

Fishing: https://fw.ky.gov/Fish/

Hunting: https://fw.ky.gov/Hunt/

Federal GNIS/FIPS Codes for State of Kentucky

GNIS ID: 1779786

FIPS State: 21

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

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 270 code has been Overlayed with the 364 area code. New phone numbers in the South Union area will be assigned with one of these codes: 270 or 364. As a result, placing a call in the South Union 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 community (such as South Union). When looking for a ZIP Code, whether South Union 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 South Union - it will be higher in some places and lower in others.
<4>	Longitude & latitude values may not be the geographic center of South Union, rather it may be a prominent intersection or the center of population, etc. It will vary depending on the source.
<5>	Name of the USGS 7.5 Minute topographic map which includes South Union.
<6>	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.
<7>	The area value has been supplied by the US Census Bureau and it can be different than the geographic boundaries of South Union. 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.
<8>	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).