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A Gazetteer for the United States and Canada

Florence, Alabama

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 The location of Florence 

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Census Data for Florence ...

Population ...

The most recent Census Estimate<1> was for 2015 and it gives Florence a population of 40,026 people.

The last Decennial Census<2> was in 2010, giving Florence a population of 39,319 people.

The city of Florence is located in Lauderdale County. The 2010 Census gave Lauderdale County a population of 92,709 people. This means that Florence had 42.41% of the county's total population, making it Lauderdale's most populous community.

At the same time, Alabama had a population of 4,779,736 people, meaning that Florence had 0.82% of the total population of Alabama - making it the state's 11th most populous community.

Area ...

When the Census Bureau conducts a census for a city like Florence, 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 Florence reflect the sampling area. Since the shape of the sampling area and the actual boundaries of&$160;Florence 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 Florence has a total area of 26.2 square miles [67.9 km²]. Of this total, a small amount of the area is covered by water (0.2 square miles [0.5 km²]).

Lauderdale County has a land area of 667 square miles [1,729.3 km²]. At 26 square miles [67.3 km²], Florence has 3.89% 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:   34° 49' 13"   (or 34.82°)

Lon:   -87° 39' 46"   (or -87.66°)

More information on this topic and the changes between the 2000 Census and the 2010 Census can be found in the section for our Census-to-Census Observations ... (see below).

Population Density ...

Using the population (39,319 people) and land area (26 square miles [67.3 km²]) values from the 2010 Census, Florence had a population density of 1,500 people per square mile [579 people/km²].

In comparison, the 2000 Census shows Florence had a population of 36,264 people and a land area of 24.93 square miles [64.6 km²]. This gives a population density of 1,449 people per square mile [559 people/km²]

NOTE: Be aware that when comparing population density between the 2000 and the 2010 Census, there were changes in the sampling area for Florence. You need to be careful when making such a comparison, the differences are likely to lead to a questionable comparison. More information about the changes can be found in the section Census-to-Census Observations ... (see below).

Housing Units ...

At the time of the 2010 Census, Florence had 19,299 Housing Units<3> and with its population of 39,319 people, this averages 2.04 people per Housing Unit.

The 2010 Census shows Florence had a land area of 26 square miles [67.3 km²]. This translates to 736 Housing Units per square mile [284.4 housing units/km²].

From the Census of 2000: Florence had 17,707 Housing Units, a population of 36,264 people and a land area of 24.93 square miles [64.6 km²]. This gives a density of 2.05 people per Housing Unit and 707 Housing Units per square mile [273.2 housing units/km²].

NOTE: Repeating the caution above (under Population Density), be aware that when comparing Housing Units between the 2000 and the 2010 Census, there were changes in the sampling area for Florence and you need to be careful when comparing results between the censuses. More information about the nature of these the changes can be found in the section called Census-to-Census Observations ... (see below).

Lauderdale County ...

Florence is located in Lauderdale County and is the County Seat for Lauderdale County.

The county had a population of 92,709 people at the 2010 Census. With it's population of 39,319 people, Florence represented 42.41% of the county's total.

In addition, where the city of Florence has a population density of 1,500 people per square mile [579 people/km²], Lauderdale County averages 138.8 people per square mile [53.6 people/km²].

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

Population Rings for Florence ...

To help identify the number of people who live in Florence and the surrounding area, we have drawn concentric rings centered on Florence. We counted the number of communities within each ring and summed their populations.<4>

RadiusNo of
Since 2010
5 mi [8 km]349,598+1.7%
10 mi [16 km]672,760+1.84%
15 mi [24 km]773,472+1.79%
20 mi [32 km]1177,264+1.57%
25 mi [40 km]1790,029+1.29%
30 mi [48 km]1993,549+1.17%

US Census QuickFacts ...

The Census Bureau has created documents containing demographic information called QuickFacts. Although they don't create QuickFacts for all communities, they do have one for Florence. Not only does the QuickFact have details about Florence, it also contains a comparison between Florence and the state of Alabama.

Click here for the Florence QuickFact (QF-0126896).

The following communities are near Florence and also have Census QuickFacts:

2015 Est.
Since 2010
SheffieldQF-01696489,108+0.76%   S  
Muscle ShoalsQF-015301613,706+4.26%   S  
TuscumbiaQF-01772808,474+0.61%   S  
Liberty Grove (TN)QF-4742260   NE  
RussellvilleQF-01670569,847+0.17%   S  

For more about neighboring communities, please visit our Nearby Page for Florence. For an expanded list of the communities that are closest to Florence, see our County-by-County Page for Florence.

A Census QuickFact is available for Lauderdale County (QF-01077).

Below are QuickFacts for the counties that border Lauderdale County.

2015 Est.
Since 2010
ColbertQF-0103354,354-0.14%   SW  
LawrenceQF-0107933,115-3.56%   SE  
LimestoneQF-0108391,663+10.73%   E  
Tishomingo (MS)QF-2814119,552-0.21%   W  
Giles (TN)QF-4705528,946-1.83%   NE  
Hardin (TN)QF-4707125,756-1.04%   NW  
Lawrence (TN)QF-4709942,564+1.66%   NE  
Wayne (TN)QF-4718116,748-1.6%   NW  

Census-to-Census Observations ...

Introduction ...

When the Census Bureau takes a census count (or enumeration) for Florence, they start by specifying the boundaries of the area to be counted. This area (or sampling area) is a polygon and its shape can be quite complex - it may or may not match the geographical boundaries of Florence. It's important to note that from one Census to the next, the shape and location of the polygon can change. If you need precision or details about the methodology of the Census, you should visit the U.S. Census Bureau for a definitive answer.

Area ...

The sampling area (or polygon) given for the 2010 Census is 4.69% larger than the 2000 Census.

The 2010 Census shows that the total area for Florence was 26.2 square miles [67.9 km²]. Of this total, 26 square miles [67.3 km²] is land, with the balance (0.77%) being water (0.2 square miles [0.5 km²]).

The 2000 Census shows a total area of 25.03 square miles [64.8 km²]. Of this total, only a minor amount of the area is covered by water.

Location ...

While generally coinciding with the GPS location (latitude/longitude) of Florence, the latitude and longitude given by the Census Bureau actually indicates the GPS location of the polygon for Florence.

For the 2010 Census, the location was given as:

Lat:   34.830349°   (or 34°49'49" N)

Lon:   -87.666096°   (or -87°39'57" W)

For the 2000 Census, the location given was:

Lat:   34.820287°   (or 34°49'13" N)

Lon:   -87.662860°   (or -87°39'46" W)

The difference indicates that the U.S. Census Bureau moved the location of the polygon for the 2010 Census 3,794 feet to the north<5> of the location that was used in the 2000 Census.

The U.S. Geological Survey (USGS) and the U.S. Board on Geographic Names (BGN) have assigned a unique GNIS identifier (#2403619) to Florence. This identifier also marks a GSP point on the map, and that point lies within the boundaries of Florence. The GNIS point has been mapped to the latitude/longitude:

Lat:   34.830152°   (or 34°49'48" N)

Lon:   -87.665257°   (or -87°39'54" W)

The GSP location given for the 2010 Census lies 261.2 feet to the west<6> of the point given by the GNIS for Florence. For more information about this and the relationship of the various Federal Codes, please visit our Misc Page for Florence.

Miscellaneous Information for Florence ...

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 Lauderdale County or the city of Florence:

The GNIS Codes ...

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

GNIS ID for Florence: 2403619

GNIS ID for Lauderdale County: 161564

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: 077 (Lauderdale County)

Place Code: 26896 (Florence)

State & County Code: 01/077 (Alabama / Lauderdale County)

State & Place Code: 01/26896 (Alabama / Florence)

Misc. Census Codes ...

Florence 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 Florence, it does identify addresses that are in (or near) Florence. 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 Florence: 35630-35634<7>

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 Florence.

Other Roadside Stops ...

Visit our Community Index for Alabama

About Lauderdale 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)

The official website for Florence:

The official website for State of Alabama:

Footnotes ...

<1>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 2015.

- Return to Citation

<2>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.

- Return to Citation

<3>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).

- Return to Citation

<4>The communities in our count are those provided by the 2010 Census, so keep in mind that our population rings will only include the people living in those communities. Smaller communities usually don't participate directly in the Census and therefore they won't be included. While our count is a close approximation, it shouldn't be considered as a complete or accurate count.

- Return to Citation

<5>The calculated bearing (or the angle) to the 2010 Census location is 14 degrees.

- Return to Citation

<6>The calculated bearing (or the angle) to the GNIS point is 74 degrees.

- Return to Citation

<7>When looking for a ZIP Code, whether Florence or elsewhere, it's always best to check the website of the United States Postal Service (USPS).

- Return to Citation

For additional information, please visit our Glossary for Florence.


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This page was last modified: 23 Dec 2016
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