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Walnut city, KS

ZIP Code 66780 — Walnut city, KS Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLow Snow AreaRemote Work Hub

Map, Quick Facts & Location

Quick Facts

Local time
Population
624
Median Income
$80,443
+7% vs US avg
Home Value
$154,500
-56% vs US avg
Median Rent
$338
-71% vs US avg
Median Age
47.4 yrs
+22% vs US avg
Area Code
Congress
Top Ancestry
IrishAmericanGerman
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Location
Coordinates
37.6217, -95.0569
Elevation
990 ft
Land Area
108.0 sq mi
Water Area
0.5 sq mi (0% water)

At a glance

Population
624
Density
N/A
Median income
$80,443
+7% vs US avg
Home value
$154,500
-56% vs US avg
Median rent
$338
-71% vs US avg
Timezone

Overview of ZIP Code 66780

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What to know about ZIP 66780

ZIP code 66780 covers Walnut, KS in Crawford County with a population of about 624.

At a glance, the area shows median age of 47.4 versus a U.S. median of about 38.9.

It sits in telephone area code 620; U.S. House district KS-2; the JOPLIN - PITTSBURG media market.

Income and economy in Walnut, KS

Median household income in ZIP 66780 is about $80,443 — about 7% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 13.8%; unemployment rate near 2.1%; 8.0% of adults with a bachelor’s degree or higher (about 25.7 points below the national share (33.7%)).

Labor and commute patterns include leading industry context around Manufacturing, Agriculture, and Healthcare; about 19.2% of workers reporting work-from-home (about 4.0 points above the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 66780

Median home value is about $154,500 — about 56% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $338 (about 71% below the U.S. median rent ($1,163)), and owner-occupancy near 96.5% (about 31.1 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 66780 in Walnut, KS, a household would need roughly $43,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $992. That sits below the local median household income ($80,443), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for Walnut city, KS as Relatively Low (composite score 71.4), which is elevated versus much of the country. The strongest component scores on US5 are flood (68.9) and wildfire (33.7). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Walnut city, KS show little to no average snow and around 45.6 inches of annual precipitation.

IRS migration statistics show a net inflow of about 35 for ZIP 66780 (Walnut city, KS) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Nearby (from this ZIP)

Airport CNU (23.7 miles (38.2 km)) · Labette Community College (22.4 miles (36.0 km)) · Fort Scott National Historic Site (24.6 miles (39.6 km)) · VA: Parsons, Kansas CBOC (20.9 miles (33.7 km))

Full lists and map pins are in the Infrastructure section below.