Clay   County IA United States

County FIPS 19041
Largest City Spencer
State Iowa
Latitude 43.0826
Longitude -95.1509
Population 16,461
Density 29.02 people per square mile
Time Zone America/Chicago
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
Download the data

Household Income

Median household: $65,428
Median individual: $38,981

Race

Mode: 92.9% White

Gender

 50.4% female 

Rent

  $811 / month  

Median house value: $177,942.0

Age

Median: 42.3 years old

Education

With at least college degree: 27.6%
With STEM degree: 34.3%

Marital Status

 49.6% married 

Never married: 30.2%

Labor Force Participation

 65.8% working 

Unemployed: 3.5%

Average Family Size

 2.98 people 

Commute Time

 17.8 minutes 

Health Care

 5.5% uninsured 

Poverty

 11.4%

All data comes from the SimpleMaps US Counties Database, 2026.

Home (Maps) | Database License | Privacy | Database Releases | Database Order Lookup | Resources | Contact | FAQs
SimpleMaps.com is a product of Pareto Software, LLC. © 2010-2026.