ZIP Code 63534
About Callao
Callao is a city in Macon County, Missouri, United States. The population was 251 at the 2020 census, down from 292 in 2010.
From Wikipedia — text licensed CC BY-SA 4.0.
Area Profile
US Census (ACS 5-year · Gazetteer)
775
population
$48,611
median household income
10
people / sq mi
$105,000
median home value
$619
median gross rent
53.9
median age
394
housing units
308
households
74.1
land area (sq mi)