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 3,150,011 people according to the US Census Bureau's 2020 American Community Survey.
The Iowa median household income in the past 12 months is $61,836 in 2020 inflation-adjusted dollars according to the US Census Bureau's 2020 American Community Survey.
Iowa has 1,407,819 housing units according to the US Census Bureau's 2020 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 2020 datasets – specifically the 2020 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	485,418
2	Linn County	225,601
3	Scott County	172,938
4	Johnson County	150,819
5	Black Hawk County	131,813
6	Woodbury County	102,687
7	Story County	97,355
8	Dubuque County	97,193
9	Pottawattamie County	93,478
10	Dallas County	90,418

See all Iowa Counties by Population

Iowa Cities by Population

1	Des Moines	215,408
2	Cedar Rapids	133,125
3	Davenport	102,199
4	Sioux City	82,535
5	Iowa City	75,849
6	Waterloo	67,671
7	West Des Moines	66,724
8	Ames	66,361
9	Ankeny	64,744
10	Council Bluffs	62,376