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The Commemorative Quarter for Iowa

The 2000 Census showed that Black Hawk County had a population of 128,012 people. This represented 4.37% of the total population of Iowa, making it the state's 4th most populous county (out of 99 counties).

From the Census Estimates for 2009<1>, Black Hawk had a population of 129,276 people. This is an increase of 0.99% 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
2010131,090+2.4%+1.4% since 2009
2009129,276+0.99%+0.97% since 2008
2008128,040  
2007126,737-1%+0.14% since 2006
2006126,556-1.14%+0.25% since 2005
2005126,235-1.39%+0.13% since 2004
2004126,077-1.51% 
2003126,026-1.55%-0.48% since 2002
2002126,628-1.08%-0.81% since 2001
2001127,656-0.28%-0.28% since 2000
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2000128,012The Last Census

Black Hawk County had 51,759 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Black Hawk County has a total area<3> of 571 square miles [1,481 km²]. Of this total, only a minor amount of that area is covered by water (4.8 square miles [12.42 km²]).

Using the above population and land area values, Black Hawk County had a population density of 225.7 people per square mile [87.2 people/km²], making it the state's 4th most densely populated county (out of 99 counties).

US Census QuickFacts

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

Click here for the Black Hawk County QuickFact (QF-19013).

Below are some of the communities that are located in Black Hawk County:

CommunityCensus
QuickFact		Population
(2009 Est)		Population
(2000 Census)		Change in
  Population
WaterlooQF-198242566,76168,747-2.89%
Cedar FallsQF-191175538,71436,1457.11%

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

CountyCensus
QuickFact		DirectionPopulation
(2009 Est.)		Population
(2000 Census)		Change in
Population
BentonQF-19011   SE26,73425,3085.63%
BremerQF-19017   N23,46023,3250.58%
BuchananQF-19019   E20,91021,093-0.87%
ButlerQF-19023   NW14,34115,305-6.3%
FayetteQF-19065   NE20,16422,008-8.38%
GrundyQF-19075   W12,17712,369-1.55%
TamaQF-19171   S17,37718,103-4.01%

Other Roadside Stops ...

About Iowa

The Communities of Iowa

Off-the-Road Links ...

U.S. Census Bureau
Census QuickFact for Black Hawk 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 Black Hawk. 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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