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/FRANKLIN

Franklin ZIP code, Ohio

The ZIP code for Franklin, OH is 45005, and its area codes are 937 and 326.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
11,712
Area codes
937, 326
State
Ohio

Mail addressed to Franklin uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Franklin in numbers

About 11,712 people live in Franklin, in 4,749 households. The median household income is $58,587 a year, 18% below the Ohio median of $71,389 (US: $80,734). The median owner-occupied home is valued at $183,100 (15% below the Ohio median), and median gross rent is $981 a month. The median age is 35.2; 15.8% of adults 25 and over hold a bachelor's degree or higher (31.5% across Ohio); the average commute takes 23 minutes.

Population11,712Franklin11,712
Households4,749Franklin4,749
Median age35.2Franklin35.2Ohio39.7US 38.9
Median household income$58,587Franklin$58,587Ohio$71,389US $80,734
Median home value$183,100Franklin$183,100Ohio$214,800US $332,700
Median gross rent$981Franklin$981Ohio$1,034US $1,413
Bachelor's degree or higher15.8%Franklin15.8%Ohio31.5%US 35.7%
Mean commute23.1 minFranklin23.1 minOhio23.4 minUS 26.4 min
Population density1,243 / sq miFranklin1,243 / sq mi

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

ZIP codes addressed as Franklin

ZIP codes with the USPS city name Franklin
ZIP City Type Population Median income Median home
45005 Franklin , OH Standard 32,251 $75,399 $218,600

Other ZIP codes overlapping Franklin

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

ZIP codes overlapping Franklin
ZIP City Type Population Median income Median home
45066 Springboro , OH Standard 27,545 $131,250 $393,500

Map of Franklin ZIP codes

45005

The ZIP codes of Franklin, 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 Franklin

The nearest larger towns are Springboro (19,980 people, 3.3 mi), Middletown (51,617 people, 5.1 mi) and Miamisburg (19,948 people, 5.4 mi).

Towns near Franklin
TownPopulationDistance
Carlisle 5,543 2.1 mi
Springboro 19,980 3.3 mi
Hunter 3,551 4.3 mi
Middletown 51,617 5.1 mi
Miamisburg 19,948 5.4 mi
Germantown 5,825 6.5 mi
West Carrollton 12,976 8.2 mi
Monroe 15,401 8.4 mi
Centerville 25,205 9.7 mi
Lebanon 21,501 9.9 mi
Moraine 6,536 10.2 mi
Trenton 13,583 10.5 mi
Waynesville 2,777 11.0 mi
Kettering 57,206 12.4 mi

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

Cite this page

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

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