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zipcodes.pro — CITY/OH/ELDORADO

Eldorado ZIP code, Ohio

The ZIP code for Eldorado, OH is 45321, and its area code is 937.

USPS city name
1 ZIP code
Population
841
Area code
937
State
Ohio

Eldorado in numbers

About 841 people live in Eldorado, in 294 households. The median household income is $68,966 a year, 3% below the Ohio median of $71,389 (US: $80,734). The median owner-occupied home is valued at $135,600 (37% below the Ohio median), and median gross rent is $1,054 a month. The median age is 29.8; 18.8% of adults 25 and over hold a bachelor's degree or higher (31.5% across Ohio); the average commute takes 32 minutes.

Population841Eldorado841
Households294Eldorado294
Median age29.8Eldorado29.8Ohio39.7US 38.9
Median household income$68,966Eldorado$68,966Ohio$71,389US $80,734
Median home value$135,600Eldorado$135,600Ohio$214,800US $332,700
Median gross rent$1,054Eldorado$1,054Ohio$1,034US $1,413
Bachelor's degree or higher18.8%Eldorado18.8%Ohio31.5%US 35.7%
Mean commute32.0 minEldorado32.0 minOhio23.4 minUS 26.4 min
Population density3,672 / sq miEldorado3,672 / sq mi

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

ZIP codes addressed as Eldorado

ZIP codes with the USPS city name Eldorado
ZIP City Type Population Median income Median home
45321 Eldorado , OH Standard 1,272 $69,135 $150,900

Map of Eldorado ZIP codes

45321

The ZIP codes of Eldorado, 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 Eldorado

The nearest larger towns are New Paris (1,582 people, 7.0 mi), Lewisburg (1,927 people, 7.9 mi) and Arcanum (2,912 people, 8.8 mi).

Towns near Eldorado
TownPopulationDistance
Arcanum 2,912 8.8 mi
Eaton 8,339 10.9 mi
Richmond, IN 35,581 12.5 mi
Greenville 12,741 14.1 mi
Brookville 5,779 14.5 mi
Lake Lakengren 3,445 15.0 mi
Centerville, IN 2,772 18.1 mi
New Lebanon 4,169 18.6 mi
Clayton 13,277 18.7 mi
West Milton 4,771 18.9 mi
Englewood 13,356 19.6 mi
Union 7,037 20.2 mi
Trotwood 23,041 20.3 mi
Union City, IN 3,569 21.8 mi

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

Cite this page

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

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