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Summary for Byrnes Mill

About Byrnes Mill (Click for our profile page)

Located in: Jefferson County (see below)

Typical Abbreviation: Byrnes Ml.

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

Telephone Area Code: 636

Elevation: 590 feet [179.83 m] above sea level<1>

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

Population

Year	Population
2019 Est:<2>	3,006 (8.09% increase since 2010)
2010:	2,781 (17.05% increase since 2000)
2000:	2,376

Total Area:<3> 5.26 sq. miles [13.6 km²] - of which 2.34% is water (0.12 sq. miles [0.3 km²])

Housing Units:<4> 1,121

GPS Coordinates (Latitude/Longitude)<5>

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

Lat: 38.439900° (or 38°26'23" N)

Lon: -90.574300° (or -90°34'27" W)

USGS Topo Map: House Springs<6>

Federal GNIS/FIPS Codes for Byrnes Mill

GNIS ID: 2393486

FIPS State / Place Code: 29 / 10240

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

About Jefferson County

The city of Hillsboro is the County Seat for Jefferson County.

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

Population

Year	Population
2019 Est:	225,081 (2.72% increase since 2010)
2010	219,128 (10.62% increase since 2000)
2000:	198,099

Total Area: 664 sq. miles [1,720.5 km²] - of which 1.15% is water (7.66 sq. miles [19.8 km²])

Housing Units: 87,626

Official Website: https://www.jeffcomo.org/

Federal GNIS/FIPS Codes for Jefferson

GNIS ID: 758504

FIPS State / County Code: 29 / 099

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

About Missouri

From the US Census

Population

Year	Population
2019 Est:	6,140,475 (2.53% increase since 2010)
2010:	5,988,927 (7.04% increase since 2000)
2000:	5,595,211

Websites for State of Missouri

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

Tourism: https://www.visitmo.com/

Parks: https://mostateparks.com/

Fishing: https://mdc.mo.gov/fishing

Hunting: https://mdc.mo.gov/hunting-trapping

Federal GNIS/FIPS Codes for State of Missouri

GNIS ID: 1779791

FIPS State: 29

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

Footnotes ...

<1>	The elevation is an estimate for the area around Byrnes Mill - it will be higher in some places and lower in others.
<2>	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.
<3>	The area value has been supplied by the US Census Bureau and it can be different than the geographic boundaries of Byrnes Mill. 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.
<4>	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).
<5>	Longitude & latitude values may not be the geographic center of Byrnes Mill, rather it may be a prominent intersection or the center of population, etc. It will vary depending on the source.
<6>	Name of the USGS 7.5 Minute topographic map which includes Byrnes Mill.