52568   Zip Code Martinsburg Keokuk IA United States

City Martinsburg
County Keokuk
State Iowa
Latitude 41.1779
Longitude -92.25077
Population 80
Density 305.44 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.
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Household Income

Median household: $44,375
Median individual: $30,795

Race

Mode: 87.5% White

Gender

 55.0% female 

Rent

No data available.

Age

Median: 52.5 years old

Education

With at least college degree: 3.1%
With STEM degree: 0.0%

Marital Status

 56.3% married 

Never married: 20.3%

Labor Force Participation

 51.6% working 

Unemployed: 0.0%

Average Family Size

 2.63 people 

Commute Time

 33.3 minutes 

Health Care

 8.8% uninsured 

Poverty

 31.3%

All data comes from the SimpleMaps US Zips Comprehensive Database, February 2026.

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