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/DENISON

Denison ZIP code, Kansas

The ZIP code for Denison, KS is 66419, and its area code is 785.

USPS city name
1 ZIP code
Population
232
Area code
785
State
Kansas

Denison in numbers

About 232 people live in Denison, in 77 households. The median household income is $80,417 a year, 8% above the Kansas median of $74,275 (US: $80,734). The median owner-occupied home is valued at $56,300 (74% below the Kansas median). The median age is 33.5; 22.9% of adults 25 and over hold a bachelor's degree or higher (35.6% across Kansas); the average commute takes 37 minutes.

Population232Denison232
Households77Denison77
Median age33.5Denison33.5Kansas37.4US 38.9
Median household income$80,417Denison$80,417Kansas$74,275US $80,734
Median home value$56,300Denison$56,300Kansas$217,200US $332,700
Bachelor's degree or higher22.9%Denison22.9%Kansas35.6%US 35.7%
Mean commute37.0 minDenison37.0 minKansas19.7 minUS 26.4 min
Population density2,071 / sq miDenison2,071 / sq mi

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

ZIP codes addressed as Denison

ZIP codes with the USPS city name Denison
ZIP City Type Population Median income Median home
66419 Denison , KS Standard 600 $100,152 $116,100

Map of Denison ZIP codes

66419

The ZIP codes of Denison, 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 Denison

The nearest larger towns are Mayetta (347 people, 6.3 mi), Holton (3,387 people, 7.6 mi) and Valley Falls (1,382 people, 9.7 mi).

Towns near Denison
TownPopulationDistance
Holton 3,387 7.6 mi
Topeka 125,786 25.1 mi
St. Marys 2,788 27.1 mi
Atchison 10,785 28.7 mi

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

Cite this page

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

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