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.

2020 The Iowa population is 3,139,508 people according to the US Census Bureau's 2019 American Community Survey.
2019 The Iowa median household income in the past 12 months is $60,523 in 2019 inflation-adjusted dollars according to the US Census Bureau's 2019 American Community Survey.
2020 Iowa has 1,412,789 housing units according to the US Census Bureau's 2019 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 the 2020 Census or 2019 datasets – specifically the 2019 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 2020

1	Polk County	479,612
2	Linn County	223,861
3	Scott County	172,446
4	Johnson County	148,577
5	Black Hawk County	132,393
6	Woodbury County	102,586
7	Dubuque County	96,982
8	Story County	96,941
9	Pottawattamie County	93,393
10	Dallas County	87,099

See all Iowa Counties by Population

Iowa Cities by Population 2020

1	Des Moines	215,636
2	Cedar Rapids	132,301
3	Davenport	102,169
4	Sioux City	82,531
5	Iowa City	74,950
6	Waterloo	67,912
7	Ames	66,023
8	West Des Moines	65,606
9	Council Bluffs	62,355
10	Ankeny	61,938