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zipcodes.pro — CITY/MO/JUNCTION-CITY

Junction City ZIP codes, Missouri

No ZIP code is named for Junction City, MO; addresses there use a neighbouring town's name. The ZIP code covering it is 63645. Its area codes are 573 and 235.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
372
Area codes
573, 235

NANPA lists no telephone rate centre for Junction City itself, so these are the area codes of the nearest one, Fredericktown (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Junction City in numbers

About 372 people live in Junction City, in 166 households. The median household income is $35,682 a year, 50% below the Missouri median of $70,702 (US: $80,734). Median gross rent is $583 a month. The median age is 40.5; 10.1% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 19 minutes.

Population372Junction City372
Households166Junction City166
Median age40.5Junction City40.5Missouri39.0US 38.9
Median household income$35,682Junction City$35,682Missouri$70,702US $80,734
Median gross rent$583Junction City$583Missouri$1,033US $1,413
Bachelor's degree or higher10.1%Junction City10.1%Missouri32.4%US 35.7%
Mean commute18.5 minJunction City18.5 minMissouri23.5 minUS 26.4 min
Population density1,039 / sq miJunction City1,039 / sq mi

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

ZIP codes covering Junction City

These ZIP codes cover part of Junction City but are addressed as somewhere else.

ZIP codes overlapping Junction City
ZIP City Type Population Median income Median home
63645 Fredericktown , MO Standard 11,554 $54,747 $157,500

Map of Junction City ZIP codes

63645

The ZIP codes of Junction City, 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 Junction City

The nearest larger towns are Fredericktown (4,507 people, 0.9 mi), Farmington (18,282 people, 16 mi) and Doe Run (775 people, 16 mi).

Towns near Junction City
TownPopulationDistance
Fredericktown 4,507 0.9 mi
Farmington 18,282 16.2 mi
Park Hills 8,678 20.2 mi
Desloge 4,863 24.2 mi
Perryville 8,536 25.1 mi
Bonne Terre 6,683 27.6 mi
Terre du Lac 2,516 28.9 mi

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

Cite this page

zipcodes.pro. “Junction City, MO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mo/junction-city

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