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Summary for Denison

About Denison (Click for our profile page)

Located in: Grayson County (see below)

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

Telephone Area Codes: 903 & 430<1>

ZIP Codes: 75020-75021<2>

Elevation: 750 feet [228.6 m] above sea level<3>

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

Population

Year	Population
2019 Est:<4>	25,466 (12.27% increase since 2010)
2010:	22,682 (0.4% decrease since 2000)
2000:	22,773

Total Area:<5> 23.45 sq. miles [60.7 km²] - of which 1.94% is water (0.46 sq. miles [1.2 km²])

Housing Units:<6> 10,373

Official Website: www.ci.denison.tx.us/

GPS Coordinates (Latitude/Longitude)<7>

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

Lat: 33.755400° (or 33°45'19" N)

Lon: -96.536900° (or -96°32'12" W)

USGS Topo Map: Denison Dam<8>

Federal GNIS/FIPS Codes for Denison

GNIS ID: 2410322

FIPS State / Place Code: 48 / 19900

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

About Grayson County

The city of Sherman is the County Seat for Grayson County.

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

Population

Year	Population
2019 Est:	136,212 (12.54% increase since 2010)
2010	121,034 (9.44% increase since 2000)
2000:	110,595

Total Area: 979 sq. miles [2,536.1 km²] - of which 4.74% is water (46.37 sq. miles [120.1 km²])

Housing Units: 53,727

Official Website: https://www.co.grayson.tx.us/

Federal GNIS/FIPS Codes for Grayson

GNIS ID: 1383876

FIPS State / County Code: 48 / 181

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

About Texas

From the US Census

Population

Year	Population
2019 Est:	28,986,794 (15.28% increase since 2010)
2010:	25,145,561 (20.59% increase since 2000)
2000:	20,851,820

Websites for State of Texas

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

Tourism: https://www.traveltexas.com/

Parks: https://tpwd.texas.gov/

Fishing: https://tpwd.texas.gov/regulations/outdoor-annual/fishing/

Hunting: https://tpwd.texas.gov/regulations/outdoor-annual/hunting/

Federal GNIS/FIPS Codes for State of Texas

GNIS ID: 1779801

FIPS State: 48

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

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 903 code has been Overlayed with the 430 area code. New phone numbers in the Denison area will be assigned with one of these codes: 903 or 430. As a result, placing a call in the Denison 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 Denison). When looking for a ZIP Code, whether Denison or elsewhere, it's always best to check the website of the United States Postal Service (USPS). Our list of ZIP Codes for Denison includes: 75020 & 75021.
<3>	The elevation is an estimate for the area around Denison - 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 Denison. 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 Denison, 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 Denison.