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Summary for Deerfield

About Deerfield (Click for our profile page)

Located in: Primarily Lake County (see below). A portion of Deerfield extends into Cook County.

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

Telephone Area Codes: 847 & 224<1>

ZIP Code: 60015<2>

Elevation: 660 feet [201.17 m] above sea level<3>

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

Population

Year	Population
2019 Est:<4>	18,656 (2.36% increase since 2010)
2010:	18,225 (1.06% decrease since 2000)
2000:	18,420

Total Area:<5> 5.62 sq. miles [14.6 km²]

Housing Units:<6> 6,907

Websites for Deerfield

Official Website: www.deerfield-il.org/

Chamber of Commerce: www.dbrchamber.com/

GPS Coordinates (Latitude/Longitude)<7>

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

Lat: 42.165500° (or 42°9'55" N)

Lon: -87.851400° (or -87°51'5" W)

USGS Topo Map: Highland Park<8>

Federal GNIS/FIPS Codes for Deerfield

GNIS ID: 2398705

FIPS State / Place Code: 17 / 18992

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

About Lake County

The village of Waukegan is the County Seat for {Lake County}.

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

Population

Year	Population
2019 Est:	696,535 (1.08% decrease since 2010)
2010	704,170 (9.28% increase since 2000)
2000:	644,356

Total Area: 1,368 sq. miles [3,544.3 km²] - of which 67.6% is water (924 sq. miles [2,395.2 km²])

Housing Units: 260,310

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

Federal GNIS/FIPS Codes for Lake

GNIS ID: 1784796

FIPS State / County Code: 17 / 097

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

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 Deerfield)

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 847 code has been Overlayed with the 224 area code. New phone numbers in the Deerfield area will be assigned with one of these codes: 847 or 224. As a result, placing a call in the Deerfield 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 village (such as Deerfield). When looking for a ZIP Code, whether Deerfield 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 Deerfield - 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 Deerfield. 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 Deerfield, 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 Deerfield.