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/KS/PRINCETON

Princeton ZIP code, Kansas

The ZIP code for Princeton, KS is 66078, and its area code is 785.

USPS city name
1 ZIP code
Population
236
Area code
785
State
Kansas

Princeton in numbers

About 236 people live in Princeton, in 80 households. The median household income is $64,500 a year, 13% below the Kansas median of $74,275 (US: $80,734). The median owner-occupied home is valued at $108,300 (50% below the Kansas median), and median gross rent is $1,125 a month. The median age is 37.8; 16.9% of adults 25 and over hold a bachelor's degree or higher (35.6% across Kansas); the average commute takes 29 minutes.

Population236Princeton236
Households80Princeton80
Median age37.8Princeton37.8Kansas37.4US 38.9
Median household income$64,500Princeton$64,500Kansas$74,275US $80,734
Median home value$108,300Princeton$108,300Kansas$217,200US $332,700
Median gross rent$1,125Princeton$1,125Kansas$1,060US $1,413
Bachelor's degree or higher16.9%Princeton16.9%Kansas35.6%US 35.7%
Mean commute29.4 minPrinceton29.4 minKansas19.7 minUS 26.4 min
Population density607 / sq miPrinceton607 / sq mi

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

ZIP codes addressed as Princeton

ZIP codes with the USPS city name Princeton
ZIP City Type Population Median income Median home
66078 Princeton , KS Standard 805 $80,000 $205,900

Map of Princeton ZIP codes

66078

The ZIP codes of Princeton, KS, 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 Princeton

The nearest larger towns are Richmond (503 people, 6.0 mi), Ottawa (12,678 people, 7.9 mi) and Williamsburg (372 people, 11 mi).

Towns near Princeton
TownPopulationDistance
Ottawa 12,678 7.9 mi
Garnett 3,202 13.9 mi
Osawatomie 4,182 17.6 mi
Baldwin City 4,911 20.6 mi
Paola 5,770 23.1 mi
Gardner 24,526 29.1 mi

More nearby: every ZIP code in Franklin County · Kansas ZIP codes

Cite this page

zipcodes.pro. “Princeton, KS ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ks/princeton

Underlying data is public domain or openly licensed — sources, vintages and licences.