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Summary for Eureka

About Eureka (Click for our profile page)

Located in: Saint Louis County (see below)

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

Telephone Area Code: 636

ZIP Code: 63025<1>

Elevation: 460 feet [140.21 m] above sea level<2>

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

Population

Year	Population
2019 Est:<3>	10,964 (7.61% increase since 2010)
2010:	10,189 (32.74% increase since 2000)
2000:	7,676

Total Area:<4> 10.45 sq. miles [27.1 km²]

Housing Units:<5> 3,683

Official Website: www.eureka.mo.us/

GPS Coordinates (Latitude/Longitude)<6>

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

Lat: 38.503300° (or 38°30'11" N)

Lon: -90.628000° (or -90°37'40" W)

USGS Topo Map: Eureka<7>

Federal GNIS/FIPS Codes for Eureka

GNIS ID: 2394707

FIPS State / Place Code: 29 / 22834

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

About Saint Louis County

The city of Clayton is the County Seat for {Saint Louis County}.

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

Population

Year	Population
2019 Est:	994,205 (0.46% decrease since 2010)
2010	998,840 (1.72% decrease since 2000)
2000:	1,016,315

Total Area: 523 sq. miles [1,354.6 km²] - of which 2.91% is water (15.22 sq. miles [39.4 km²])

Housing Units: 438,032

Official Website: https://stlouiscountymo.gov/

Federal GNIS/FIPS Codes for Saint Louis

GNIS ID: 758549

FIPS State / County Code: 29 / 189

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

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 Eureka)

Footnotes ...

<1>	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 Eureka). When looking for a ZIP Code, whether Eureka or elsewhere, it's always best to check the website of the United States Postal Service (USPS).
<2>	The elevation is an estimate for the area around Eureka - it will be higher in some places and lower in others.
<3>	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.
<4>	The area value has been supplied by the US Census Bureau and it can be different than the geographic boundaries of Eureka. 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.
<5>	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).
<6>	Longitude & latitude values may not be the geographic center of Eureka, rather it may be a prominent intersection or the center of population, etc. It will vary depending on the source.
<7>	Name of the USGS 7.5 Minute topographic map which includes Eureka.