Iowa Number of Private Business Establishments in the NAICS 541910 Marketing research and public opinion polling Industry By County in 2024 Q3 (QCEW)

Updated on June 3, 2025.

According to data from the US Bureau of Labor Statistics, in 2024 Q3, Iowa had 97 number of private business establishments in the NAICS 541910 Marketing research and public opinion polling Industry. Among all Iowa counties, Polk had the highest number of private business establishments (28), followed by Linn (13), and Johnson (9).

The chart and table shows the number of business establishments for each county.

You can see similar information for other states, and for the United States.

You can see similar information for other industries.

Related Topics: Iowa BLS Topic List.

Data Source: US Bureau of Labor Statistics (QCEW).

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Iowa Number of Private Business Establishments in the NAICS 541910 Marketing research and public opinion polling Industry By County in 2024 Q3

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County	Number of Business Establishments
Black Hawk	4
Bremer	1
Buchanan	1
Cedar	1
Clinton	1
Dallas	6
Dubuque	6
Fayette	1
Floyd	1
Humboldt	1
Jasper	1
Johnson	9
Linn	13
Marion	1
Page	2
Plymouth	1
Polk	28
Pottawattamie	3
Scott	5
Shelby	1
Story	2
Union	1
Wapello	1
Washington	2
Winnebago	1
Worth	1