ZIP Code 52568
About Martinsburg
Martinsburg is a city in Keokuk County, Iowa, United States. The population was 110 at the time of the 2020 census.
From Wikipedia — text licensed CC BY-SA 4.0.
Area Profile
US Census (ACS 5-year · Gazetteer)
73
population
$40,000
median household income
279
people / sq mi
46.9
median age
37
housing units
36
households
0.3
land area (sq mi)