ZIP Code 81138
About Jaroso
Jaroso is an unincorporated community and a U.S. Post Office located in Costilla County, Colorado, United States. The Jaroso Post Office has the ZIP Code 81138.
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Area Profile
US Census (ACS 5-year · Gazetteer)
27
population
1
people / sq mi
38
housing units
27
households
20.1
land area (sq mi)