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Summary for Derby

About Derby (Click for our profile page)

Located in: Adams County (see below)

Time Zone: Derby lies in the Mountain Time Zone (MST/MDT)

Telephone Area Codes: 303, 720 & 983<1>

Elevation: 5,120 feet [1,560.58 m] above sea level<2>

GPS Coordinates (Latitude/Longitude)<3>

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

Lat: 39.839400° (or 39°50'21" N)

Lon: -104.918600° (or -104°55'6" W)

USGS Topo Map: Commerce City<4>

Federal GNIS/FIPS Codes for Derby

GNIS ID: 1867081

FIPS State / Place Code: 08 / 20220

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

About Adams County

The community of Brighton is the County Seat for Adams County.

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

Population

Year	Population
2019 Est:<5>	517,421 (16.62% increase since 2010)
2010	443,691 (21.94% increase since 2000)
2000:	363,857

Total Area:<6> 1,183 sq. miles [3,066.3 km²] - of which 1.37% is water (16.24 sq. miles [42.1 km²])

Housing Units: <7> 163,136

Official Website: https://adcogov.org/

Federal GNIS/FIPS Codes for Adams

GNIS ID: 198116

FIPS State / County Code: 08 / 001

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

About Colorado

From the US Census

Population

Year	Population
2019 Est:	5,758,486 (14.5% increase since 2010)
2010:	5,029,196 (16.92% increase since 2000)
2000:	4,301,261

Websites for State of Colorado

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

Tourism: https://www.colorado.com/

Parks: https://cpw.state.co.us/

Fishing: https://cpw.state.co.us/fishing

Hunting: https://cpw.state.co.us/hunting

Federal GNIS/FIPS Codes for State of Colorado

GNIS ID: 1779779

FIPS State: 08

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

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 303 code has been Overlayed with one of the following codes: 720 or 983. New phone numbers in the Derby area will be assigned with one of these codes: 303, 720 or 983. As a result, placing a call in the Derby area will require 10-digit dialing (where you enter both the area code and then the phone number).
<2>	The elevation is an estimate for the area around Derby - it will be higher in some places and lower in others.
<3>	Longitude & latitude values may not be the geographic center of Derby, rather it may be a prominent intersection or the center of population, etc. It will vary depending on the source.
<4>	Name of the USGS 7.5 Minute topographic map which includes Derby.
<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 Derby. 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).