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The Commemorative Quarter for Louisiana

The 2000 Census showed that Assumption Parish had a population of 23,388 people. This represented 0.52% of the total population of Louisiana, making it the state's 40th most populous parish (out of 64 parishes).

From the Census Estimates for 2009<1>, Assumption had a population of 22,874 people. This is a decrease of 2.2% 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.

YearPopulationChange
Since 2000
Year-to-Year Change
201023,421+0.14%+2.39% since 2009
200922,874-2.2%-0.66% since 2008
200823,026-1.55%-0.29% since 2007
200723,093-1.26% 
200623,073-1.35%+0.91% since 2005
200522,864-2.24%-0.86% since 2004
200423,062-1.39% 
200323,081-1.31%-0.16% since 2002
200223,117-1.16%-0.25% since 2001
200123,176-0.91%-0.91% since 2000
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200023,388The Last Census

Assumption Parish had 9,635 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Assumption Parish has a total area<3> of 364.6 square miles [944 km²]. Of this total, 338.7 square miles [877 km²] of the area is land, with the balance (7.1%) being water (25.87 square miles [67 km²]).

Using the above population and land area values, Assumption Parish had a population density of 69.1 people per square mile [26.66 people/km²], making it the state's 27th 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 Assumption Parish is available. The QuickFact also contains a comparison between Assumption and the state of Louisiana.

Click here for the Assumption Parish QuickFact (QF-22007).

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

ParishCensus
QuickFact
DirectionPopulation
(2009 Est.)
Population
(2000 Census)
Change in
Population
AscensionQF-22005   N104,82276,62736.8%
IberiaQF-22045   W75,10173,2662.5%
IbervilleQF-22047   NW32,50533,320-2.45%
LafourcheQF-22057   SE93,68289,9744.12%
Saint JamesQF-22093   E21,05421,216-0.76%
Saint MartinQF-22099   W52,21748,5837.48%
Saint MaryQF-22101   SW50,81553,500-5.02%
TerrebonneQF-22109   SE109,291104,5034.58%

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U.S. Census Bureau
Census QuickFact for Assumption 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 Assumption. 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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