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The Commemorative Quarter for Ohio

The 2000 Census showed that Mahoning County had a population of 257,555 people. This represented 2.27% of the total population of Ohio, making it the state's 10th most populous county (out of 88 counties).

From the Census Estimates for 2009<1>, Mahoning had a population of 236,735 people. This is a decrease of 8.08% 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
2010238,823-7.27%+0.88% since 2009
2009236,735-8.08%-0.79% since 2008
2008238,609-7.36%-0.9% since 2007
2007240,767-6.52%-1.18% since 2006
2006243,646-5.4%-0.79% since 2005
2005245,598-4.64%-1.02% since 2004
2004248,133-3.66%-0.9% since 2003
2003250,382-2.79%-0.72% since 2002
2002252,205-2.08%-1.04% since 2001
2001254,855-1.05%-1.05% since 2000
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2000257,555The Last Census

Mahoning County had 111,762 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Mahoning County has a total area<3> of 423.4 square miles [1,096 km²]. Of this total, 415.2 square miles [1,075 km²] of the area is land, with the balance (1.92%) being water (8.14 square miles [21.07 km²]).

Using the above population and land area values, Mahoning County had a population density of 620 people per square mile [239.5 people/km²], making it the state's 10th most densely populated county (out of 88 counties).

US Census QuickFacts

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

Click here for the Mahoning County QuickFact (QF-39099).

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

CommunityCensus
QuickFact
Population
(2009 Est)
Population
(2000 Census)
Change in
  Population
YoungstownQF-398800072,42582,026-11.7%
AllianceQF-390142022,58323,253-2.88%
StruthersQF-397512610,67411,756-9.2%
CampbellQF-39110668,3949,460-11.27%
CanfieldQF-39113606,8267,374-7.43%

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

CountyCensus
QuickFact
DirectionPopulation
(2009 Est.)
Population
(2000 Census)
Change in
Population
ColumbianaQF-39029   S107,722112,075-3.88%
PortageQF-39133   W157,530152,0613.6%
StarkQF-39151   SW379,466378,0980.36%
TrumbullQF-39155   N210,157225,116-6.65%
Lawrence (PA)QF-42073   E90,16094,643-4.74%
Mercer (PA)QF-42085   NE116,071120,293-3.51%

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U.S. Census Bureau
Census QuickFact for Mahoning 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 Mahoning. 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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