Mind-boggled by Iowa Demographics?

Get the Iowa demographic data that you need. You can get the most current Iowa data from the US Census Bureau without spending 8 to 10 high-value hours searching the internet.

The Iowa population is 3,156,145 people according to the US Census Bureau's 2018 Population Estimates Program.
The Iowa median household income in the past 12 months is $56,570 in 2017 inflation-adjusted dollars according to the US Census Bureau's 2017 American Community Survey.
Iowa has 1,376,133 housing units according to the US Census Bureau's 2017 American Community Survey.

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How Current are the Data?

The Iowa demographics on this site are the most current data available from the US Census Bureau.

Currently, most data points are from 2017 datasets – specifically the 2017 American Community Survey (ACS) 5 year dataset. We use the Census’ ACS 5 year dataset for 3 reasons.

It’s updated every year.
It typically has the smallest margins of error of the Census’ ACS datasets.
It allows for apples to apples comparisons of large geographies to small geographies (i.e. state data to city data).

We’re constantly updating the Radius Reports and this site with the most current data throughout the year.

Got questions about these Iowa demographics? Call us at 1-800-939-2130.

Iowa Counties by Population

1	Polk County	487,204
2	Linn County	225,909
3	Scott County	173,283
4	Johnson County	151,260
5	Black Hawk County	132,408
6	Woodbury County	102,539
7	Story County	98,105
8	Dubuque County	96,854
9	Pottawattamie County	93,533
10	Dallas County	90,180

See all Iowa Counties by Population

Iowa Cities by Population

1	Des Moines	214,778
2	Cedar Rapids	130,330
3	Davenport	102,268
4	Sioux City	82,568
5	Iowa City	73,415
6	Waterloo	68,146
7	Ames	65,005
8	West Des Moines	62,999
9	Council Bluffs	62,317
10	Dubuque	58,410