Learn About
The Commemorative
Quarter for
The Commemorative Quarter for Iowa

Time Zone: Washington County lies in the Central Time Zone (CST/CDT) and observes daylight saving time.

The community of Washington is the Seat for Washington County.

Washington County was founded January 25, 1839.

From the Census Estimates for 2009, <1> Washington had a population of 21,258 people. This is an increase of 2.84% since the last Census (which gave a population of 20,670 people in 2000).

At the time of the 2000 Census, Washington represented 0.71% of the total population of Iowa, making it the state's 32nd most populous county (out of 99 counties).

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
201021,704+5%+2.1% since 2009
200921,258+2.84%+0.21% since 2008
200821,214+2.63%+0.29% since 2007
200020,670The Last Census

More information can be found on the Washington County Census Page for Washington County.


Below are some of the communities located in Washington County (for more communities, please visit our Nearby Page for Washington County):

Community 2009
(2009vs. 2000)
Washington   7,1977,0472.13% increase  
Kalona   2,5322,29310.42% increase  
Wellman   1,4121,3931.36% increase  
Riverside   1,0089288.62% increase  
Brighton   6756871.75% decrease  

Other Roadside Stops ...

About Iowa

The Communities of Iowa

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

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