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Chelsea, Alabama
(Shelby County)

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Census Data for Chelsea ...

Population ...

The last Decennial Census<1> was in 2010, giving Chelsea a population of 10,183 people.

The city of Chelsea is located in Shelby County. The 2010 Census gave Shelby County a population of 195,085 people. This means that Chelsea had 5.22% of the county's total population, making it Shelby's 5th most populous community.

At the same time, Alabama had a population of 4,779,736 people, meaning that Chelsea had 0.21% of the total population of Alabama - making it the state's 60th most populous community.

Area ...

When the Census Bureau conducts a census for a city like Chelsea, they draw a boundary around the area in which they are going to conduct their count - this is called a sampling area (or a polygon). The shape of the sampling area can be quite complex and it's important to keep in mind that the boundaries of the sampling area may or may not match the recognized boundaries of the city.

Things like the population, area and housing for Chelsea reflect the sampling area. Since the shape of the sampling area and the actual boundaries of Chelsea might be slightly different, it's best to check with the U.S. Census Bureau if you need precision.

The 2010 Census shows that the sample polygon for Chelsea has a total area of 21.7 square miles [56.2 km²]. Of this total, 21.34 square miles [55.3 km²] is land, with the balance (1.64%) being water (0.36 square miles [0.9 km²]).

Shelby County has a land area of 631 square miles [1,636.6 km²]. At 21.34 square miles [55.3 km²], Chelsea has 3.38% of the county's total land area.

Not only does the sampling area define boundaries, it also has a GPS location (latitude & longitude) that indicates a point within the sampling area (usually at the center of the polygon). At the time of the 2010 Census, the sampling area was located at:

Lat:   33° 19' 33"   (or 33.33°)             [Map]

Lon:   -86° 38' 12"   (or -86.64°)

Population Density ...

Using the population (10,183 people) and land area (21.34 square miles [55.3 km²]) values from the 2010 Census, Chelsea had a population density of 469.2 people per square mile [181.2 people/km²].

Housing Units ...

At the time of the 2010 Census, Chelsea had 3,906 Housing Units<2> and with its population of 10,183 people, this averages 2.61 people per Housing Unit.

The 2010 Census shows Chelsea had a land area of 21.34 square miles [55.3 km²]. This translates to 180 Housing Units per square mile [69.5 housing units/km²].

Shelby County ...

The community of Chelsea is located in Shelby County.

The county had a population of 195,085 people at the 2010 Census. With it's population of 10,183 people, Chelsea represented 5.22% of the county's total.

In addition, where the city of Chelsea has a population density of 469.2 people per square mile [181.2 people/km²], Shelby County averages 308.7 people per square mile [119.2 people/km²].

For more information, please visit our Census Page for Shelby County.

Miscellaneous Information for Chelsea ...

The Federal government has assigned various identifying codes to each community, county and state. At one time or another, the US Census Bureau has referenced one (or more) of the following identifiers when referring to either Shelby County or the city of Chelsea:

The GNIS Codes ...

The current system of identification is called the Geographic Names Information System (GNIS). The following GNIS codes relate to Chelsea:

GNIS ID for Chelsea: 2404037

GNIS ID for Shelby County: 161584

GNIS ID for Alabama: 1779775

The FIPS Codes ...

An earlier (and largely obsolete) identification method was called the Federal Information Processing Standard (FIPS):

State Code: 01 (Alabama)

County Code: 117 (Shelby County)

Place Code: 14104 (Chelsea)

State & County Code: 01/117 (Alabama / Shelby County)

State & Place Code: 01/14104 (Alabama / Chelsea)

Misc. Census Codes ...

Chelsea is located in Census Region #3 (the South Region) and Division #6 (the East South-Central Division).

The US Postal Service ZIP Code ...

While some people have used a ZIP code to identify a community, the purpose of the ZIP code was to make mail delivery more efficient by grouping addresses together. Although the ZIP Code doesn't specifically identify a city like Chelsea, it does identify addresses that are in (or near) Chelsea. It's important to remember that the boundaries of a ZIP Code can be changed, re-assigned or overlapped with other ZIP Codes.

The ZIP code for Chelsea: 35043<3>

Census ZCTA Codes ...

The US Census Bureau created statistical entities that they call ZIP Code Tabulation Areas (ZCTAs) and these ZCTAs are frequently confused with the ZIP codes that come from the US Postal Service (USPS).

ZCTAs were first created for the 2000 Census and at that time, they were based upon the USPS ZIP codes. While largely covering the same areas, the boundaries of a ZCTA do not necessarily match the boundaries of a postal ZIP code with the same number. For example, while a postal ZIP code can cross a county or state line, a Census ZCTA can not. They should be treated as separate entities with no correlation between them.

For more information about the various Federal identification codes, please visit our Misc Page for Chelsea.

Other Roadside Stops ...

Index of Cities, Towns and Villages for Alabama

About Shelby County

About Alabama

Off-the-Road Links ...

The official website of the U.S. Census Bureau

The official website of the U.S. Board on Geographic Names (BGN)

The official website of the U.S. Geological Survey (USGS)

Unfortunately, we don't know of a website for Chelsea. If you can help, please contact us through our Feedback Page.

The official website for Shelby County: www.shelbycountyalabama.com/

The official website for State of Alabama: www.alabama.gov/

Footnotes ...

<1>Every 10 years (eg- 1990, 2000, 2010), the US Census Bureau conducts a Constitutionally-mandated count (or enumeration) of people living within the United States. This count is called a Decennial Census. The last Decennial Census was the 2010 Census, with the next one planned for 2020.

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<2>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).

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<3>When looking for a ZIP Code, whether Chelsea or elsewhere, it's always best to check the website of the United States Postal Service (USPS).

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For additional information, please visit our Glossary for Chelsea.