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/KY/FRANKLIN

Franklin ZIP codes, Kentucky

Franklin, KY has 2 ZIP codes (42134 and 42135) and area code 270. The largest is 42134.

USPS city name
2 ZIP codes
Population
10,360
Area code
270

Franklin in numbers

About 10,360 people live in Franklin, in 3,991 households, the 44th-largest of Kentucky's 553 census places. The median household income is $59,052 a year, 7% below the Kentucky median of $63,726 (US: $80,734). The median owner-occupied home is valued at $195,400 (5% below the Kentucky median), and median gross rent is $1,010 a month. The median age is 35.8; 15.5% of adults 25 and over hold a bachelor's degree or higher (27.6% across Kentucky); the average commute takes 18 minutes.

Population10,360Franklin10,360
Households3,991Franklin3,991
Median age35.8Franklin35.8Kentucky39.1US 38.9
Median household income$59,052Franklin$59,052Kentucky$63,726US $80,734
Median home value$195,400Franklin$195,400Kentucky$205,600US $332,700
Median gross rent$1,010Franklin$1,010Kentucky$967US $1,413
Bachelor's degree or higher15.5%Franklin15.5%Kentucky27.6%US 35.7%
Mean commute18.4 minFranklin18.4 minKentucky24.0 minUS 26.4 min
Population density687 / sq miFranklin687 / 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
42134 Franklin , KY Standard 19,380 $59,113 $226,800
42135 Franklin , KY No street area — — —

Map of Franklin ZIP codes

4213442135

The ZIP codes of Franklin, KY, 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 Portland, TN (13,449 people, 8.5 mi), White House, TN (14,631 people, 19 mi) and Bowling Green (75,388 people, 19 mi).

Towns near Franklin
TownPopulationDistance
Portland, TN 13,449 8.5 mi
White House, TN 14,631 18.5 mi
Bowling Green 75,388 19.1 mi
Scottsville 4,427 19.5 mi
Westmoreland, TN 2,845 20.3 mi
Russellville 7,316 20.5 mi
Springfield, TN 19,255 23.3 mi
Shackle Island, TN 4,404 23.8 mi
Millersville, TN 5,836 23.8 mi
Gallatin, TN 48,532 23.8 mi
Greenbrier, TN 6,971 24.2 mi
Goodlettsville, TN 17,597 27.8 mi
Hendersonville, TN 63,091 28.5 mi

More nearby: every ZIP code in Simpson County · Kentucky ZIP codes

Cite this page

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

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