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/HUMBOLDT

Humboldt ZIP code, Kansas

The ZIP code for Humboldt, KS is 66748, and its area code is 620.

USPS city name
1 ZIP code
Population
1,793
Area code
620
State
Kansas

Humboldt in numbers

About 1,793 people live in Humboldt, in 738 households. The median household income is $47,560 a year, 36% below the Kansas median of $74,275 (US: $80,734). The median owner-occupied home is valued at $90,900 (58% below the Kansas median), and median gross rent is $554 a month. The median age is 42.2; 21.3% of adults 25 and over hold a bachelor's degree or higher (35.6% across Kansas); the average commute takes 15 minutes.

Population1,793Humboldt1,793
Households738Humboldt738
Median age42.2Humboldt42.2Kansas37.4US 38.9
Median household income$47,560Humboldt$47,560Kansas$74,275US $80,734
Median home value$90,900Humboldt$90,900Kansas$217,200US $332,700
Median gross rent$554Humboldt$554Kansas$1,060US $1,413
Bachelor's degree or higher21.3%Humboldt21.3%Kansas35.6%US 35.7%
Mean commute15.1 minHumboldt15.1 minKansas19.7 minUS 26.4 min
Population density1,174 / sq miHumboldt1,174 / sq mi

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

ZIP codes addressed as Humboldt

ZIP codes with the USPS city name Humboldt
ZIP City Type Population Median income Median home
66748 Humboldt , KS Standard 2,830 $59,871 $114,300

Map of Humboldt ZIP codes

66748

The ZIP codes of Humboldt, 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 Humboldt

The nearest larger towns are Iola (5,348 people, 8.2 mi), Chanute (8,598 people, 10.0 mi) and Fredonia (1,945 people, 29 mi).

Towns near Humboldt
TownPopulationDistance
Iola 5,348 8.2 mi
Chanute 8,598 10.0 mi

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

Cite this page

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

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