Iowa White Alone Population By County in 2021

Based on the US Census Vintage data estimates, in 2021, the White Alone population in Iowa was 2,880,386 and represented 90.08% of the total Iowa population (3,197,689).

Among Iowa counties, Polk County had the highest number of people who identified as White Alone (418,455), followed by Linn County (200,554), and Scott County (148,176). Adams County had the lowest (3,498).

In the map below, we show the number and percentage of each county's White Alone population, as well as the gender percentages when you interact with the map. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can see similar information for other states and also by state for the United States.

You can also see similar information for other racial and ethnicity groups in Iowa.