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 3,132,499 people according to the US Census Bureau's 2018 American Community Survey.
The Iowa median household income in the past 12 months is $58,580 in 2018 inflation-adjusted dollars according to the US Census Bureau's 2018 American Community Survey.
Iowa has 1,386,722 housing units according to the US Census Bureau's 2018 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 2018 datasets – specifically the 2018 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	474,274
2	Linn County	222,121
3	Scott County	172,288
4	Johnson County	147,001
5	Black Hawk County	133,009
6	Woodbury County	102,398
7	Story County	96,922
8	Dubuque County	96,802
9	Pottawattamie County	93,503
10	Dallas County	84,002

See all Iowa Counties by Population

Iowa Cities by Population

1	Des Moines	215,932
2	Cedar Rapids	131,360
3	Davenport	102,318
4	Sioux City	82,486
5	Iowa City	74,566
6	Waterloo	68,134
7	Ames	65,937
8	West Des Moines	64,400
9	Council Bluffs	62,478
10	Ankeny	59,152