Mind-boggled by Iowa Demographics?

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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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Skip Hours of Internet Research.

Get demographic data for any location in Iowa for just $49.

  • The most current data
  • Trustworthy — from US government data sources
  • Easy to Understand — jargon-free data
  • Most Popular data — like population, income & age
  • Confidence — includes proper citations & footnotes
  • Time Savings — Our customers tell us these reports save 10+ hours of internet research, data pulling & formatting.

To learn more, click on the letter that the name of your city or county begins with.

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.

  1. It's updated every year.
  2. It typically has the smallest margins of error of the Census' ACS datasets.
  3. 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

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

Iowa Zip Codes by Population

1 50613 43,708
2 52001 43,623
3 52402 42,649
4 50023 42,550
5 52302 42,386
6 52404 40,474
7 52722 40,097
8 51503 37,408
9 52240 36,370
10 50317 36,051

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About Us

Iowa-Demographics.com is made by Cubit – a demographic data provider. Call us at 1-800-939-2130 or email us.

Cubit Founders Kristen and Anthony

Cubit's co-founders have been working with data for a combined 36 years.

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