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zipcodes.pro — CITY/KS/WALNUT

Walnut ZIP code, Kansas

The ZIP code for Walnut, KS is 66780, and its area code is 620.

USPS city name
1 ZIP code
Population
237
Area code
620
State
Kansas

Walnut in numbers

About 237 people live in Walnut, in 84 households. The median household income is $37,500 a year, 50% below the Kansas median of $74,275 (US: $80,734). The median owner-occupied home is valued at $31,300 (86% below the Kansas median), and median gross rent is $442 a month. The median age is 34.8; 5.4% of adults 25 and over hold a bachelor's degree or higher (35.6% across Kansas); the average commute takes 25 minutes.

Population237Walnut237
Households84Walnut84
Median age34.8Walnut34.8Kansas37.4US 38.9
Median household income$37,500Walnut$37,500Kansas$74,275US $80,734
Median home value$31,300Walnut$31,300Kansas$217,200US $332,700
Median gross rent$442Walnut$442Kansas$1,060US $1,413
Bachelor's degree or higher5.4%Walnut5.4%Kansas35.6%US 35.7%
Mean commute24.6 minWalnut24.6 minKansas19.7 minUS 26.4 min
Population density161 / sq miWalnut161 / sq mi

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

ZIP codes addressed as Walnut

ZIP codes with the USPS city name Walnut
ZIP City Type Population Median income Median home
66780 Walnut , KS Standard 674 $55,813 $157,400

Map of Walnut ZIP codes

66780

The ZIP codes of Walnut, 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 Walnut

The nearest larger towns are St. Paul (631 people, 8.0 mi), Erie (1,216 people, 9.4 mi) and Girard (2,777 people, 14 mi).

Towns near Walnut
TownPopulationDistance
Girard 2,777 14.1 mi
Parsons 9,425 21.4 mi
Chanute 8,598 21.8 mi
Frontenac 3,392 22.8 mi
Pittsburg 20,637 24.4 mi
Fort Scott 7,555 25.5 mi
Iola 5,348 28.6 mi

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

Cite this page

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

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