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zipcodes.pro — CITY/MO/GREEN-CASTLE

Green Castle ZIP code, Missouri

The ZIP code for Green Castle, MO is 63544, and its area code is 660.

USPS city name
1 ZIP code
Population
332
Area code
660

NANPA lists no telephone rate centre for Green Castle itself, so these are the area codes of the nearest one, Novinger (4.4 miles). A town on an area-code boundary can differ from its neighbour.

Green Castle in numbers

About 332 people live in Green Castle, in 99 households. The median household income is $49,688 a year, 30% below the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $54,600 (76% below the Missouri median), and median gross rent is $658 a month. The median age is 52.5; 4.6% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 25 minutes.

Population332Green Castle332
Households99Green Castle99
Median age52.5Green Castle52.5Missouri39.0US 38.9
Median household income$49,688Green Castle$49,688Missouri$70,702US $80,734
Median home value$54,600Green Castle$54,600Missouri$230,300US $332,700
Median gross rent$658Green Castle$658Missouri$1,033US $1,413
Bachelor's degree or higher4.6%Green Castle4.6%Missouri32.4%US 35.7%
Mean commute25.2 minGreen Castle25.2 minMissouri23.5 minUS 26.4 min
Population density743 / sq miGreen Castle743 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Green Castle city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Green Castle

ZIP codes with the USPS city name Green Castle
ZIP City Type Population Median income Median home
63544 Green Castle , MO Standard 1,159 $44,167 $109,400

Map of Green Castle ZIP codes

63544

The ZIP codes of Green Castle, MO, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Green Castle

The nearest larger towns are Green City (658 people, 4.5 mi), Novinger (423 people, 9.1 mi) and Milan (1,859 people, 14 mi).

Towns near Green Castle
TownPopulationDistance
Kirksville 17,563 16.4 mi

More nearby: every ZIP code in Adair County · Missouri ZIP codes

Cite this page

zipcodes.pro. “Green Castle, MO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mo/green-castle

Underlying data is public domain or openly licensed — sources, vintages and licences.