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zipcodes.pro — CITY/OH/CASSTOWN

Casstown ZIP code, Ohio

The ZIP code for Casstown, OH is 45312, and its area code is 937.

USPS city name
1 ZIP code
Population
259
Area code
937
State
Ohio

NANPA lists no telephone rate centre for Casstown itself, so these are the area codes of the nearest one, Christiansburg (3.6 miles). A town on an area-code boundary can differ from its neighbour.

Casstown in numbers

About 259 people live in Casstown, in 114 households. The median household income is $51,250 a year, 28% below the Ohio median of $71,389 (US: $80,734). The median owner-occupied home is valued at $110,600 (49% below the Ohio median), and median gross rent is $1,156 a month. The median age is 35.8; 10.2% of adults 25 and over hold a bachelor's degree or higher (31.5% across Ohio); the average commute takes 24 minutes.

Population259Casstown259
Households114Casstown114
Median age35.8Casstown35.8Ohio39.7US 38.9
Median household income$51,250Casstown$51,250Ohio$71,389US $80,734
Median home value$110,600Casstown$110,600Ohio$214,800US $332,700
Median gross rent$1,156Casstown$1,156Ohio$1,034US $1,413
Bachelor's degree or higher10.2%Casstown10.2%Ohio31.5%US 35.7%
Mean commute23.8 minCasstown23.8 minOhio23.4 minUS 26.4 min
Population density2,670 / sq miCasstown2,670 / sq mi

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

ZIP codes addressed as Casstown

ZIP codes with the USPS city name Casstown
ZIP City Type Population Median income Median home
45312 Casstown , OH Standard 1,086 $91,842 $279,400

Map of Casstown ZIP codes

45312

The ZIP codes of Casstown, OH, 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 Casstown

The nearest larger towns are Troy (26,842 people, 5.0 mi), Christiansburg (708 people, 5.5 mi) and Fletcher (719 people, 6.2 mi).

Towns near Casstown
TownPopulationDistance
Troy 26,842 5.0 mi
Tipp City 10,439 6.8 mi
Piqua 20,646 8.9 mi
New Carlisle 5,544 9.2 mi
West Milton 4,771 12.3 mi
Park Layne 4,301 12.3 mi
Vandalia 15,053 12.5 mi
Covington 2,596 12.6 mi
Union 7,037 13.3 mi
Huber Heights 43,455 13.4 mi
Englewood 13,356 16.1 mi
Clayton 13,277 16.4 mi
Sidney 20,501 16.5 mi
Enon 2,587 16.6 mi

More nearby: every ZIP code in Miami County · Ohio ZIP codes

Cite this page

zipcodes.pro. “Casstown, OH ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/oh/casstown

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