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/BUFFALO

Buffalo ZIP code, Kansas

The ZIP code for Buffalo, KS is 66717, and its area code is 620.

USPS city name
1 ZIP code
Population
282
Area code
620
State
Kansas

Buffalo in numbers

About 282 people live in Buffalo, in 108 households. The median household income is $68,750 a year, 7% below the Kansas median of $74,275 (US: $80,734). The median owner-occupied home is valued at $36,000 (83% below the Kansas median). The median age is 34.8; 18.2% of adults 25 and over hold a bachelor's degree or higher (35.6% across Kansas); the average commute takes 24 minutes.

Population282Buffalo282
Households108Buffalo108
Median age34.8Buffalo34.8Kansas37.4US 38.9
Median household income$68,750Buffalo$68,750Kansas$74,275US $80,734
Median home value$36,000Buffalo$36,000Kansas$217,200US $332,700
Bachelor's degree or higher18.2%Buffalo18.2%Kansas35.6%US 35.7%
Mean commute23.7 minBuffalo23.7 minKansas19.7 minUS 26.4 min
Population density887 / sq miBuffalo887 / sq mi

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

ZIP codes addressed as Buffalo

ZIP codes with the USPS city name Buffalo
ZIP City Type Population Median income Median home
66717 Buffalo , KS Standard 467 $70,833 $46,000

Map of Buffalo ZIP codes

66717

The ZIP codes of Buffalo, 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 Buffalo

The nearest larger towns are Yates Center (1,270 people, 11 mi), Altoona (467 people, 13 mi) and Chanute (8,598 people, 13 mi).

Towns near Buffalo
TownPopulationDistance
Chanute 8,598 13.0 mi
Neodesha 2,503 19.7 mi
Iola 5,348 22.1 mi

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

Cite this page

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

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