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/WILMINGTON

Wilmington ZIP code, Ohio

The ZIP code for Wilmington, OH is 45177, and its area codes are 937 and 326.

USPS city name
1 ZIP code
Population
12,620
Area codes
937, 326
State
Ohio

Wilmington in numbers

About 12,620 people live in Wilmington, in 5,567 households. The median household income is $57,199 a year, 20% below the Ohio median of $71,389 (US: $80,734). The median owner-occupied home is valued at $174,400 (19% below the Ohio median), and median gross rent is $909 a month. The median age is 36.3; 21.2% of adults 25 and over hold a bachelor's degree or higher (31.5% across Ohio); the average commute takes 17 minutes.

Population12,620Wilmington12,620
Households5,567Wilmington5,567
Median age36.3Wilmington36.3Ohio39.7US 38.9
Median household income$57,199Wilmington$57,199Ohio$71,389US $80,734
Median home value$174,400Wilmington$174,400Ohio$214,800US $332,700
Median gross rent$909Wilmington$909Ohio$1,034US $1,413
Bachelor's degree or higher21.2%Wilmington21.2%Ohio31.5%US 35.7%
Mean commute17.3 minWilmington17.3 minOhio23.4 minUS 26.4 min
Population density975 / sq miWilmington975 / sq mi

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

ZIP codes addressed as Wilmington

ZIP codes with the USPS city name Wilmington
ZIP City Type Population Median income Median home
45177 Wilmington , OH Standard 22,924 $74,051 $226,300

Map of Wilmington ZIP codes

45177

The ZIP codes of Wilmington, 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 Wilmington

The nearest larger towns are Xenia (25,689 people, 19 mi), Lebanon (21,501 people, 21 mi) and Washington Court House (14,439 people, 22 mi).

Towns near Wilmington
TownPopulationDistance
Sabina 2,734 10.5 mi
Blanchester 4,538 12.5 mi
Shawnee Hills 2,534 15.3 mi
Waynesville 2,777 16.3 mi
Morrow 2,523 17.2 mi
Hillsboro 6,527 18.6 mi
Xenia 25,689 18.8 mi
Bellbrook 7,394 20.4 mi
Lebanon 21,501 21.4 mi
Washington Court House 14,439 22.0 mi
South Lebanon 6,712 22.0 mi
Cedarville 4,070 22.1 mi
Centerville 25,205 22.6 mi
Greenfield 3,966 23.4 mi

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

Cite this page

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

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