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The 2000 Census showed that Lafayette Parish had a population of 190,503 people. This represented 4.26% of the total population of Louisiana, making it the state's 6th most populous parish (out of 64 parishes).

From the Census Estimates for 2009<1>, Lafayette had a population of 210,954 people. This is an increase of 10.74% since the 2000 Census.

The following table shows the recent changes in population. Other than 2000, the population counts have been estimated by the Census Bureau.

Since 2000
Year-to-Year Change
2010221,578+16.31%+5.04% since 2009
2009210,954+10.74%+1.59% since 2008
2008207,659+9.01%+1.2% since 2007
2007205,203+7.72%+0.76% since 2006
2006203,659+6.91%+3.2% since 2005
2005197,342+3.59%+0.88% since 2004
2004195,621+2.69%+0.88% since 2003
2003193,915+1.79%+0.59% since 2002
2002192,775+1.19%+1.02% since 2001
2001190,825+0.17%+0.17% since 2000
2000190,503The Last Census

Lafayette Parish had 78,122 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Lafayette Parish has a total area<3> of 270.3 square miles [700 km²]. Of this total, only a minor amount of that area is covered by water (0.46 square miles [1.18 km²]).

Using the above population and land area values, Lafayette Parish had a population density of 705 people per square mile [272.6 people/km²], making it the state's 4th most densely populated county (out of 64 parishes).

US Census QuickFacts

The Census Bureau has created documents containing demographic information that are called QuickFacts. A QuickFact that is specific to Lafayette Parish is available. The QuickFact also contains a comparison between Lafayette and the state of Louisiana.

Click here for the Lafayette Parish QuickFact (QF-22055).

Below are some of the communities that are located in Lafayette Parish:

(2009 Est)
(2000 Census)
Change in

Below are the parishes that adjoin and form the boundaries of Lafayette Parish. A link to their specific Census QuickFact has been provided.

(2009 Est.)
(2000 Census)
Change in
AcadiaQF-22001   W60,09558,8612.1%
IberiaQF-22045   SE75,10173,2662.5%
Saint LandryQF-22097   N92,32687,7005.27%
Saint MartinQF-22099   E52,21748,5837.48%
VermilionQF-22113   SW56,14153,8074.34%

Other Roadside Stops ...

About Louisiana

Cities, Towns and Villages of Louisiana

Off-the-Road Links ...

U.S. Census Bureau
Census QuickFact for Lafayette Parish

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2000 Census and the next count will be for the 2010 Census.

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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>The area value has been supplied by the US Census Bureau and it can be different than the geographic boundaries of Lafayette. The value given by the Census Bureau reflects their statistical (or sampling) requirements.

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<4>All Quarter-dollar coin images from the United States Mint.

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