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 3,179,090 people according to the US Census Bureau's 2021 American Community Survey.
The Iowa median household income in the past 12 months is $65,429 in 2021 inflation-adjusted dollars according to the US Census Bureau's 2021 American Community Survey.
Iowa has 1,407,100 housing units according to the US Census Bureau's 2021 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 2021 datasets – specifically the 2021 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 demographic 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	488,871
2	Linn County	228,567
3	Scott County	174,170
4	Johnson County	151,833
5	Black Hawk County	131,396
6	Woodbury County	105,102
7	Dubuque County	98,687
8	Story County	98,106
9	Dallas County	96,604
10	Pottawattamie County	93,571

See all Iowa Counties by Population

Iowa Cities by Population

1	Des Moines	213,545
2	Cedar Rapids	136,512
3	Davenport	101,725
4	Sioux City	85,081
5	Iowa City	74,240
6	Waterloo	67,695
7	West Des Moines	67,640
8	Ankeny	66,346
9	Ames	65,522
10	Council Bluffs	62,617