Walnut ZIP Codes — Crawford County, KS

There is one unique ZIP code in Walnut, Kansas and it is 66780. Area code: 620.

ZIP codes

103.83

sq mi land

0.46

sq mi water

620

area code

Walnut, KS ZIP code map

About Walnut, KS

Walnut, Kansas, is a quaint community located in Crawford County. This small city, with a ZIP code of 66780, offers a blend of rural charm and local culture. Residents enjoy a tight-knit atmosphere, with various local amenities that embody the spirit of the Midwest.

Location & geography

Walnut is situated in the southeastern part of Kansas, surrounded by the picturesque landscapes of Crawford County. Notable neighboring cities include Pittsburgh, approximately 14 miles to the northeast, Arma, about 5 miles to the east, and Girard, roughly 10 miles northwest. The total area of Walnut encompasses 103.83 square miles of land, alongside 0.46 square miles of water, providing a mix of open spaces and natural beauty.

Community & economy

The character of Walnut is defined by its friendly residents and strong community ties, fostering an inviting atmosphere for both locals and visitors. This city primarily thrives on agriculture, with farming and related industries playing a significant role in daily life. Nearby local events and gatherings allow residents to celebrate their shared values and local heritage.

Transportation

Walnut is easily accessible via U.S. Route 69, which connects it to larger cities and facilitates transportation. The nearest major airport is the Joplin Regional Airport, located approximately 45 miles to the southwest, providing air travel options for residents. Public transit options may be limited, emphasizing the importance of personal vehicles for commuting.

History

Walnut was founded in the late 19th century, reflecting the typical settlement patterns of small towns in Kansas during that era. Over the years, it developed economically with agriculture as the cornerstone of its growth and identity. Notable events in the town’s history include various local fairs and celebrations that highlight its agricultural roots and community spirit.

Did you know?

One surprising fact about Walnut, Kansas, is that it has maintained a consistent rural culture while being relatively close to more urban areas. Additionally, its unique location allows residents to enjoy both the tranquility of small-town life and easy access to larger city amenities.

ZIP codes for Walnut, KS (1)

ZIP code	City	County	Map
66780	Walnut	Crawford	View map

Demographics & statistics

503

Population

47.2

Median age

$78,289

Median household income

$40,820

Per capita income

$157,400

Median home value

Median monthly rent

98.6%

Home ownership

10.1%

Poverty rate

3.0%

Unemployment

251

Housing units

10.1%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	109	21.7%
18 and over	394	78.3%
65 and over	141	28.0%
Median age	47.2 years

Race & ethnicity

White 90.9%

Two or more races 9.1%

Group	Count	%
White	457	90.9%
Two or more races	46	9.1%

Household income

Under $10k 4.7%

$10k–$15k 2.4%

$25k–$35k 3.3%

$35k–$50k 6.1%

$50k–$75k 23.6%

$75k–$100k 29.7%

$100k–$150k 5.7%

$150k–$200k 3.8%

$200k+ 20.8%

Range	% of households
Under $10k	4.7%
$10k–$15k	2.4%
$25k–$35k	3.3%
$35k–$50k	6.1%
$50k–$75k	23.6%
$75k–$100k	29.7%
$100k–$150k	5.7%
$150k–$200k	3.8%
$200k+	20.8%
Median income	$78,289

Housing

Home values

Under $50k 37.3%

$50k–$100k 3.8%

$100k–$150k 4.3%

$150k–$200k 15.3%

$200k–$300k 27.3%

$300k–$500k 7.2%

$500k–$1M 1.0%

$1M+ 3.8%

Housing overview

Metric	Value
Median home value	$157,400
Median rent / month	$0
Owner occupied	98.6%
Renter occupied	1.4%
Vacant	16.5%
Single-family detached	72.4%
Large apartment buildings	0.0%
Mobile homes	8.3%
Median rooms	6.4
Avg household size (owned)	2.37

Year built

Era	%
2020 or later	0.0%
2010–2019	10.2%
2000–2009	3.9%
1990–1999	9.1%
1980–1989	8.3%
1970–1979	7.9%
1960–1969	3.9%
1950–1959	0.4%
1940–1949	2.0%
1939 or earlier	54.3%

Bedrooms

Size	% of units
No bedroom (studio)	2.4%
1 bedroom	1.2%
2 bedrooms	18.9%
3 bedrooms	52.0%
4 bedrooms	3.1%
5+ bedrooms	22.4%

Vehicles per household

Vehicles	% of households
No vehicle	6.1%
1 vehicle	10.8%
2 vehicles	32.5%
3 or more	50.5%

Heating fuel

Fuel type	%
Utility gas	41.5%
Electricity	19.8%
Propane / LP gas	37.3%
Wood	1.4%

Households & families

Household type	Count	%
Married-couple family	159	75.0%
Cohabiting couple	12	5.7%
Male householder, no spouse	12	5.7%
Female householder, no spouse	29	13.7%
Households with children under 18	58	27.4%
Households with seniors (65+)	101	47.6%
Average household size	2.37

Marital status

Status	Male	Female
Never married	27.0%	18.3%
Married	63.5%	67.5%
Separated	1.7%	0.0%
Widowed	1.2%	11.0%
Divorced	6.6%	3.1%

Education

Less than 9th grade 1.1%

Some HS, no diploma 2.0%

HS graduate 47.1%

Some college, no degree 35.6%

Associate's degree 4.2%

Bachelor's degree 3.4%

Graduate / professional 6.7%

Metric	%
HS diploma or higher	96.9%
Bachelor's or higher	10.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	4	5.1%
Elementary school	36	46.2%
High school	38	48.7%
College / grad school	0	0.0%

Employment

Industry of employment

Manufacturing 24.6%

Education & healthcare 22.4%

Finance & real estate 10.1%

Public administration 10.1%

Agriculture & mining 7.0%

Retail trade 5.7%

Construction 5.3%

Wholesale trade 4.8%

Other services 3.9%

Arts, food & hospitality 3.1%

Professional & management 1.8%

Transportation & utilities 1.3%

Occupation

Category	%
Management, business & arts	44.7%
Service	13.6%
Sales & office	7.0%
Natural resources & construction	11.8%
Production & transportation	22.8%

Employment type

Type	%
Private sector	73.2%
Government	18.9%
Self-employed	7.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	39.5%
Carpool	43.4%
Public transit	0.0%
Walk	0.0%
Other means	0.0%
Avg commute (minutes)	29.3

Poverty

All people 10.1%

Under 18 years 10.1%

18 and over 10.2%

Married-couple families 1.9%

Female-led households 52.9%

Income support

Source	% of households
Social Security	50.0%
Retirement income	34.9%
Supplemental Security	6.1%
Cash public assistance	0.9%
Food stamps / SNAP	7.5%

Health indicators

Condition	%
High blood pressure	36.6%
High cholesterol	35.4%
Heart disease	7.5%
Stroke	3.2%
Asthma	9.1%
Arthritis	26.9%
Kidney disease	3.1%
Pulmonary disease	7.2%
Cancer	7.6%

Behavior / access	%
Binge drinking	18.1%
No physical activity	23.0%
Less than 7 hrs sleep	32.0%
Fair or poor health	13.7%
Poor mental health	13.3%
Poor physical health	10.3%
No health insurance	13.5%
Visited doctor (checkup)	75.3%
Visited dentist	63.9%
Cholesterol screening	89.7%
Teeth loss	13.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	65	16.5%

Disability	%
Any disability	13.5%
Under 18	3.7%
18–64 years	15.4%
65 and over	17.7%

Health insurance coverage

Type	%
Private insurance	73.2%
Public insurance	39.6%
Uninsured under 19	8.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	473	94.0%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	503	100.0%
Born in same state	503	100.0%
Born in different state	390	77.5%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	97	19.3%
Arab	82	16.3%
French	17	3.4%

Ancestry	Count	%
English	15	3%
German	2	0.4%

Technology access

Metric	% of households
Computer access	42.1%
Internet access	94.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Walnut, KS have?

Walnut, KS has one ZIP code: 66780. Each ZIP code serves a distinct delivery area within the city and surrounding region.