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The Commemorative
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The Commemorative Quarter for South Dakota

The 2000 Census showed that Brown County had a population of 35,460 people. This represented 4.7% of the total population of South Dakota, making it the state's 3rd most populous county (out of 66 counties).

From the Census Estimates for 2009<1>, Brown had a population of 35,204 people. This is a decrease of 0.72% 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
201036,531+3.02%+3.77% since 2009
200935,204-0.72%+0.51% since 2008
200835,024-1.23%-0.15% since 2007
200735,077-1.08%+0.49% since 2006
200634,907-1.56%+0.11% since 2005
200334,842-1.74%-0.18% since 2002
200234,904-1.57%-0.59% since 2001
200135,111-0.98%-0.98% since 2000
200035,460The Last Census

Brown County had 15,861 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Brown County has a total area<3> of 1,731 square miles [4,483 km²]. Of this total, 1,713 square miles [4,436 km²] of the area is land, with the balance (1.05%) being water (18.14 square miles [46.98 km²]).

Using the above population and land area values, Brown County had a population density of 20.7 people per square mile [7.99 people/km²], making it the state's 13th most densely populated county (out of 66 counties).

US Census QuickFacts

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

Click here for the Brown County QuickFact (QF-46013).

Below are some of the communities that are located in Brown County:

(2009 Est)
(2000 Census)
Change in

Below are the counties that adjoin and form the boundaries of Brown County. A link to their specific Census QuickFact has been provided.

(2009 Est.)
(2000 Census)
Change in
Dickey (ND)QF-38021   N5,2175,757-9.38%
Sargent (ND)QF-38081   NE3,9514,366-9.51%
DayQF-46037   E5,5096,267-12.1%
EdmundsQF-46045   W3,9354,367-9.89%
FaulkQF-46049   SW2,2102,640-16.29%
MarshallQF-46091   E4,1604,576-9.09%
McPhersonQF-46089   W2,4392,904-16.01%
SpinkQF-46115   S6,5547,454-12.07%

Other Roadside Stops ...

About South Dakota

Index of Cities, Towns and Villages for South Dakota

Off-the-Road Links ...

U.S. Census Bureau
Census QuickFact for Brown County

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 Brown. 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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