Learn About
The Commemorative
Quarter for
The Commemorative Quarter for Iowa

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

The community of Newton is the Seat for Jasper County.

Jasper County was founded January 13, 1846 and was created by taking area from MahaskaCounty.

From the Census Estimates for 2009, <1> Jasper had a population of 36,257 people. This is a decrease of 2.57% since the last Census (which gave a population of 37,213 people in 2000).

At the time of the 2000 Census, Jasper represented 1.27% of the total population of Iowa, making it the state's 19th 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
201036,842-1%+1.61% since 2009
200936,257-2.57%-0.56% since 2008
200836,460-2.02%-0.29% since 2007
200037,213The Last Census

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


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

Community 2009
(2009vs. 2000)
Newton   14,84115,5794.74% decrease  
Colfax   2,1862,2231.66% decrease  
Mitchellville   2,1271,71524.02% increase  
Monroe   1,8131,8080.28% increase  
Prairie City   1,4261,3654.47% increase  

Other Roadside Stops ...

About Iowa

Search for a Community located in 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.

- Return to Citation

<2>All Quarter-dollar coin images from the United States Mint.

- Return to Citation