About 55921 - Caledonia, Minnesota
Located in Minnesota, the United States is home to the densely populated community of Caledonia, served by ZIP code 55921. It sits within Caledonia County County.
Around 41,568 people live in the 55921 ZIP code area. That's noticeably above the average for a Minnesota ZIP code, which sits near 22,692 people.
Median household income is about $84,800 (near the Minnesota average).
Other ZIP code codes in Minnesota serve areas such as Minneapolis, Rockford, Kettle River.