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zipcodes.pro — CITY/MO/COBALT

Cobalt ZIP codes, Missouri

No ZIP code is named for Cobalt, 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
364
Area codes
573, 235

NANPA lists no telephone rate centre for Cobalt 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.

Cobalt in numbers

About 364 people live in Cobalt, in 121 households. The median household income is $34,750 a year, 51% below the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $84,200 (63% below the Missouri median), and median gross rent is $834 a month. The median age is 30.0; 3.3% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 16 minutes.

Population364Cobalt364
Households121Cobalt121
Median age30.0Cobalt30.0Missouri39.0US 38.9
Median household income$34,750Cobalt$34,750Missouri$70,702US $80,734
Median home value$84,200Cobalt$84,200Missouri$230,300US $332,700
Median gross rent$834Cobalt$834Missouri$1,033US $1,413
Bachelor's degree or higher3.3%Cobalt3.3%Missouri32.4%US 35.7%
Mean commute15.5 minCobalt15.5 minMissouri23.5 minUS 26.4 min
Population density2,443 / sq miCobalt2,443 / sq mi

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

ZIP codes covering Cobalt

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

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

Map of Cobalt ZIP codes

63645

The ZIP codes of Cobalt, 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 Cobalt

The nearest larger towns are Fredericktown (4,507 people, 1.5 mi), Junction City (372 people, 2.0 mi) and Mine La Motte (370 people, 4.8 mi).

Towns near Cobalt
TownPopulationDistance
Fredericktown 4,507 1.5 mi
Farmington 18,282 18.1 mi
Park Hills 8,678 22.1 mi
Perryville 8,536 25.7 mi
Desloge 4,863 26.1 mi
Bonne Terre 6,683 29.5 mi

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

Cite this page

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

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