Humboldt ZIP Codes — Allen County, KS

There is one unique ZIP code in Humboldt, Kansas and it is 66748. Area code: 620.

ZIP codes

114.79

sq mi land

1.33

sq mi water

620

area code

Humboldt, KS ZIP code map

About Humboldt, KS

Humboldt, Kansas, is a small city located in Allen County. Known for its friendly atmosphere and community spirit, Humboldt offers a blend of rural charm and local amenities. It is a quaint locale that serves as a hub for surrounding agricultural activities and local enterprises.

Location & geography

Situated in southeastern Kansas, Humboldt spans an area of 114.79 square miles, with a water area of 1.33 square miles. The city is approximately 11 miles east of Iola and about 14 miles northwest of Chanute, making it easily accessible for travelers and residents alike. The terrain is predominantly flat, characteristic of the region's agricultural landscape, with nearby rivers contributing to the area’s natural beauty.

Community & economy

Humboldt is known for its close-knit community and friendly residents who take pride in their local history and culture. The city thrives on industries such as agriculture and small businesses, creating a vibrant daily life for its inhabitants. With a mix of local shops, parks, and community events, Humboldt fosters a sense of belonging among its citizens.

Transportation

Transportation in Humboldt is primarily facilitated by U.S. Route 54, which provides convenient access to nearby cities and regions. The nearest major airport is in Chanute, offering regional flights for travelers. Public transportation options are limited, but local services are available for residents in need.

History

Humboldt was founded in the late 19th century, with its development linked to the arrival of the railroad, which facilitated trade and transportation. The city has historically depended on agriculture as a key industry, supporting both the local economy and community. Over the years, Humboldt has hosted various cultural events that celebrate its heritage, contributing to its identity.

Did you know?

One surprising fact about Humboldt is its annual event called 'Humboldt Harvest Festival,' which showcases local talent and agricultural products. Additionally, the city is home to a historic downtown area that features several buildings on the National Register of Historic Places.

ZIP codes for Humboldt, KS (1)

ZIP code	City	County	Map
66748	Humboldt	Allen	View map

Demographics & statistics

2,883

Population

48.3

Median age

$55,784

Median household income

$30,303

Per capita income

$100,600

Median home value

$545

Median monthly rent

82.6%

Home ownership

18.6%

Poverty rate

12.7%

Unemployment

1,134

Housing units

16.5%

Bachelor's or higher

Age distribution

Male Female

100

Under 5

104

5–9

10–14

15–19

102

20–24

107

25–34

141

35–44

147

162

45–54

168

148

55–59

155

60–64

162

196

65–74

205

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	646	22.4%
18 and over	2,237	77.6%
65 and over	581	20.2%
Median age	48.3 years

Race & ethnicity

White 93.5%

Asian 1.7%

Hispanic or Latino 1.5%

Native Hawaiian / Pacific Islander 1.2%

Two or more races 1%

Other race 0.6%

Black or African American 0.5%

American Indian / Alaska Native 0.1%

Group	Count	%
White	2,735	93.5%
Asian	49	1.7%
Hispanic or Latino	43	1.5%
Native Hawaiian / Pacific Islander	36	1.2%
Two or more races	28	1%
Other race	17	0.6%
Black or African American	16	0.5%
American Indian / Alaska Native	2	0.1%

Household income

Under $10k 6.0%

$10k–$15k 7.1%

$15k–$25k 5.1%

$25k–$35k 11.7%

$35k–$50k 15.9%

$50k–$75k 18.8%

$75k–$100k 9.3%

$100k–$150k 12.5%

$150k–$200k 13.4%

$200k+ 0.4%

Range	% of households
Under $10k	6.0%
$10k–$15k	7.1%
$15k–$25k	5.1%
$25k–$35k	11.7%
$35k–$50k	15.9%
$50k–$75k	18.8%
$75k–$100k	9.3%
$100k–$150k	12.5%
$150k–$200k	13.4%
$200k+	0.4%
Median income	$55,784

Housing

Home values

Under $50k 13.5%

$50k–$100k 36.2%

$100k–$150k 17.5%

$150k–$200k 11.7%

$200k–$300k 15.2%

$300k–$500k 4.4%

$500k–$1M 0.8%

$1M+ 0.8%

Housing overview

Metric	Value
Median home value	$100,600
Median rent / month	$545
Owner occupied	82.6%
Renter occupied	17.4%
Vacant	15.6%
Single-family detached	82.8%
Large apartment buildings	1.1%
Mobile homes	5.6%
Median rooms	6.1
Avg household size (owned)	2.53

Year built

Era	%
2020 or later	0.0%
2010–2019	4.4%
2000–2009	4.7%
1990–1999	9.7%
1980–1989	10.0%
1970–1979	13.5%
1960–1969	6.1%
1950–1959	15.0%
1940–1949	5.4%
1939 or earlier	31.2%

Bedrooms

Size	% of units
No bedroom (studio)	1.4%
1 bedroom	5.3%
2 bedrooms	28.9%
3 bedrooms	50.7%
4 bedrooms	10.8%
5+ bedrooms	2.9%

Vehicles per household

Vehicles	% of households
No vehicle	9.0%
1 vehicle	28.5%
2 vehicles	25.8%
3 or more	36.6%

Heating fuel

Fuel type	%
Utility gas	47.0%
Electricity	31.7%
Propane / LP gas	11.1%
Fuel oil	0.8%
Wood	7.2%

Households & families

Household type	Count	%
Married-couple family	519	46.3%
Cohabiting couple	37	3.3%
Male householder, no spouse	159	14.2%
Female householder, no spouse	407	36.3%
Households with children under 18	272	24.2%
Households with seniors (65+)	382	34.0%
Average household size	2.55

Marital status

Status	Male	Female
Never married	27.1%	16.7%
Married	53.6%	46.1%
Separated	2.6%	0.0%
Widowed	1.7%	23.6%
Divorced	15.0%	13.6%

Education

Less than 9th grade 2.5%

Some HS, no diploma 3.5%

HS graduate 37.8%

Some college, no degree 25.7%

Associate's degree 14.0%

Bachelor's degree 8.0%

Graduate / professional 8.5%

Metric	%
HS diploma or higher	94.0%
Bachelor's or higher	16.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	87	17.2%
Kindergarten	24	4.8%
Elementary school	225	44.6%
High school	97	19.2%
College / grad school	72	14.3%

Employment

Industry of employment

Manufacturing 26.5%

Education & healthcare 25.0%

Transportation & utilities 10.7%

Construction 10.0%

Retail trade 6.4%

Arts, food & hospitality 5.3%

Other services 4.0%

Finance & real estate 3.6%

Agriculture & mining 3.1%

Wholesale trade 2.9%

Professional & management 1.2%

Public administration 1.2%

Occupation

Category	%
Management, business & arts	27.4%
Service	10.5%
Sales & office	19.1%
Natural resources & construction	13.6%
Production & transportation	29.4%

Employment type

Type	%
Private sector	70.3%
Government	15.2%
Self-employed	14.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	84.3%
Carpool	8.3%
Public transit	0.0%
Walk	4.8%
Other means	0.0%
Avg commute (minutes)	15.0

Poverty

All people 18.6%

Under 18 years 34.4%

18 and over 14.0%

Married-couple families 9.4%

Female-led households 47.4%

Income support

Source	% of households
Social Security	42.6%
Retirement income	35.2%
Supplemental Security	9.5%
Cash public assistance	4.1%
Food stamps / SNAP	11.7%

Health indicators

Condition	%
High blood pressure	37.1%
High cholesterol	36.4%
Heart disease	7.8%
Stroke	3.5%
Asthma	9.7%
Arthritis	28.8%
Kidney disease	3.3%
Pulmonary disease	7.8%
Cancer	7.7%

Behavior / access	%
Binge drinking	16.2%
No physical activity	26.2%
Less than 7 hrs sleep	34.8%
Fair or poor health	15.5%
Poor mental health	14.0%
Poor physical health	11.1%
No health insurance	14.3%
Visited doctor (checkup)	74.2%
Visited dentist	62.1%
Cholesterol screening	89.1%
Teeth loss	15.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	126	5.6%

Disability	%
Any disability	19.8%
Under 18	4.0%
18–64 years	22.8%
65 and over	28.7%

Health insurance coverage

Type	%
Private insurance	63.5%
Public insurance	46.2%
Uninsured under 19	10.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,679	92.9%
Spanish	37	1.4%
Other Indo-European	11	0.4%
Asian & Pacific Islander	0	0.0%
Other languages	26	1.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,841	98.5%
Born in same state	2,837	98.4%
Born in different state	2,430	84.3%
Foreign born	4	0.1%
Naturalized citizen	42	1.5%
Not a US citizen	35	83.3%

Ancestry

Ancestry	Count	%
French	300	10.4%
Italian	275	9.5%
Arab	259	9%
English	18	0.6%

Ancestry	Count	%
Dutch	7	0.2%
Polish	5	0.2%
German	4	0.1%

Technology access

Metric	% of households
Computer access	38.9%
Internet access	93.2%

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

Frequently asked questions

What ZIP codes does Humboldt, KS have?

Humboldt, KS has one ZIP code: 66748. Each ZIP code serves a distinct delivery area within the city and surrounding region.