Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/OH/NEW-MADISON

New Madison ZIP code, Ohio

The ZIP code for New Madison, OH is 45346, and its area code is 937.

USPS city name
1 ZIP code
Population
783
Area code
937
State
Ohio

New Madison in numbers

About 783 people live in New Madison, in 354 households. The median household income is $62,500 a year, 12% below the Ohio median of $71,389 (US: $80,734). The median owner-occupied home is valued at $109,900 (49% below the Ohio median), and median gross rent is $888 a month. The median age is 51.1; 15.7% of adults 25 and over hold a bachelor's degree or higher (31.5% across Ohio); the average commute takes 26 minutes.

Population783New Madison783
Households354New Madison354
Median age51.1New Madison51.1Ohio39.7US 38.9
Median household income$62,500New Madison$62,500Ohio$71,389US $80,734
Median home value$109,900New Madison$109,900Ohio$214,800US $332,700
Median gross rent$888New Madison$888Ohio$1,034US $1,413
Bachelor's degree or higher15.7%New Madison15.7%Ohio31.5%US 35.7%
Mean commute25.9 minNew Madison25.9 minOhio23.4 minUS 26.4 min
Population density1,652 / sq miNew Madison1,652 / sq mi

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

ZIP codes addressed as New Madison

ZIP codes with the USPS city name New Madison
ZIP City Type Population Median income Median home
45346 New Madison , OH Standard 1,663 $77,083 $161,300

Map of New Madison ZIP codes

45346

The ZIP codes of New Madison, 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 New Madison

The nearest larger towns are Eldorado (841 people, 4.7 mi), Arcanum (2,912 people, 8.3 mi) and New Paris (1,582 people, 8.8 mi).

Towns near New Madison
TownPopulationDistance
Arcanum 2,912 8.3 mi
Greenville 12,741 10.6 mi
Richmond, IN 35,581 13.4 mi
Eaton 8,339 15.5 mi
Union City, IN 3,569 17.1 mi
Brookville 5,779 17.8 mi
Centerville, IN 2,772 18.4 mi
Lake Lakengren 3,445 19.4 mi
Winchester, IN 5,284 20.1 mi
West Milton 4,771 20.2 mi
Versailles 2,715 21.3 mi
Clayton 13,277 21.4 mi
Covington 2,596 21.6 mi
Englewood 13,356 22.3 mi

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

Cite this page

zipcodes.pro. “New Madison, OH ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/oh/new-madison

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