La Harpe ZIP Code List — Allen County, KS

There is one unique ZIP code in La Harpe, Kansas and it is 66751. Area code: 620.

ZIP codes

48.90

sq mi land

0.40

sq mi water

620

area code

La Harpe, KS ZIP code map

About La Harpe, KS

La Harpe is a small city located in Allen County, Kansas. Known for its close-knit community and rich history, La Harpe offers a serene and friendly atmosphere for its residents and visitors alike. It is a part of the flourishing agriculture belt that characterizes much of Kansas.

Location & geography

La Harpe is situated in southeastern Kansas, approximately 10 miles northwest of the larger city of Iola. The city covers a land area of 48.90 square miles, with a small water area of 0.40 square miles, giving it a diverse landscape that includes both rural and modest developed areas. Nearby cities include Moran, about 6 miles to the east; Iola, about 10 miles to the south; and Humboldt, approximately 11 miles to the southeast.

Community & economy

The community in La Harpe is characterized by its friendly and welcoming residents who take pride in their town. Agriculture plays a significant role in the local economy, with various farming activities sustaining the livelihoods of many families. Daily life is marked by local events, community gatherings, and a strong emphasis on supporting local businesses and services.

Transportation

La Harpe is accessible via several local roads, with major connections leading to U.S. Route 54 just to the north. The nearest significant airport is the Allen County Airport, located approximately 10 miles to the south in Iola, serving as a hub for general aviation. Public transportation options are limited, making personal vehicles the most common mode of travel.

History

La Harpe was founded in the late 19th century, rooted in the agricultural boom that followed westward expansion in Kansas. The city developed around farming and local businesses, which helped establish its identity within Allen County. Notable events in its history include the founding of community organizations that fostered social connections among residents.

Did you know?

One surprising fact about La Harpe is that it was once home to a thriving brick-making industry, which played an essential role in the construction of local buildings. Today, this small city continues to preserve its historical roots while embracing the changes of modern life.

ZIP codes for La Harpe, KS (1)

ZIP code	City	County	Map
66751	La Harpe	Allen	View map

Demographics & statistics

653

Population

54.0

Median age

$43,250

Median household income

$26,633

Per capita income

$58,500

Median home value

$708

Median monthly rent

81.4%

Home ownership

6.9%

Poverty rate

2.9%

Unemployment

356

Housing units

23.3%

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	101	15.5%
18 and over	552	84.5%
65 and over	181	27.7%
Median age	54.0 years

Race & ethnicity

White 94.8%

Asian 2.6%

Two or more races 2%

American Indian / Alaska Native 0.3%

Hispanic or Latino 0.2%

Native Hawaiian / Pacific Islander 0.2%

Group	Count	%
White	620	94.8%
Asian	17	2.6%
Two or more races	13	2%
American Indian / Alaska Native	2	0.3%
Hispanic or Latino	1	0.2%
Native Hawaiian / Pacific Islander	1	0.2%

Household income

Under $10k 3.1%

$10k–$15k 0.9%

$15k–$25k 11.8%

$25k–$35k 15.8%

$35k–$50k 24.8%

$50k–$75k 15.2%

$75k–$100k 7.4%

$100k–$150k 20.1%

$200k+ 0.9%

Range	% of households
Under $10k	3.1%
$10k–$15k	0.9%
$15k–$25k	11.8%
$25k–$35k	15.8%
$35k–$50k	24.8%
$50k–$75k	15.2%
$75k–$100k	7.4%
$100k–$150k	20.1%
$200k+	0.9%
Median income	$43,250

Housing

Home values

Under $50k 26.6%

$50k–$100k 46.8%

$100k–$150k 1.9%

$150k–$200k 8.7%

$200k–$300k 11.0%

$300k–$500k 3.8%

$1M+ 1.1%

Housing overview

Metric	Value
Median home value	$58,500
Median rent / month	$708
Owner occupied	81.4%
Renter occupied	18.6%
Vacant	22.4%
Single-family detached	58.9%
Large apartment buildings	0.0%
Mobile homes	34.9%
Median rooms	5.9
Avg household size (owned)	1.94

Year built

Era	%
2020 or later	0.5%
2010–2019	1.7%
2000–2009	4.1%
1990–1999	3.4%
1980–1989	31.7%
1970–1979	10.6%
1960–1969	1.9%
1950–1959	5.5%
1940–1949	5.3%
1939 or earlier	35.3%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	2.2%
2 bedrooms	37.0%
3 bedrooms	48.6%
4 bedrooms	10.8%
5+ bedrooms	1.4%

Vehicles per household

Vehicles	% of households
No vehicle	5.6%
1 vehicle	16.7%
2 vehicles	53.3%
3 or more	24.5%

Heating fuel

Fuel type	%
Utility gas	54.2%
Electricity	30.0%
Propane / LP gas	13.3%
Wood	2.5%

Households & families

Household type	Count	%
Married-couple family	158	48.9%
Cohabiting couple	13	4.0%
Male householder, no spouse	48	14.9%
Female householder, no spouse	104	32.2%
Households with children under 18	60	18.6%
Households with seniors (65+)	147	45.5%
Average household size	2.02

Marital status

Status	Male	Female
Never married	35.5%	22.1%
Married	49.8%	43.0%
Separated	0.0%	1.9%
Widowed	10.3%	12.9%
Divorced	4.4%	20.2%

Education

Less than 9th grade 3.6%

Some HS, no diploma 8.0%

HS graduate 29.2%

Some college, no degree 23.3%

Associate's degree 12.6%

Bachelor's degree 6.7%

Graduate / professional 16.6%

Metric	%
HS diploma or higher	88.4%
Bachelor's or higher	23.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	4	2.6%
Elementary school	55	35.5%
High school	82	52.9%
College / grad school	14	9.0%

Employment

Industry of employment

Education & healthcare 34.4%

Arts, food & hospitality 15.9%

Manufacturing 13.5%

Retail trade 12.3%

Construction 5.4%

Agriculture & mining 4.5%

Other services 4.5%

Public administration 3.3%

Information 2.7%

Finance & real estate 1.5%

Professional & management 1.2%

Transportation & utilities 0.9%

Occupation

Category	%
Management, business & arts	31.1%
Service	24.0%
Sales & office	16.5%
Natural resources & construction	8.1%
Production & transportation	20.4%

Employment type

Type	%
Private sector	66.8%
Government	28.7%
Self-employed	4.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	82.6%
Carpool	10.7%
Public transit	0.0%
Walk	4.0%
Other means	0.0%
Avg commute (minutes)	20.2

Poverty

All people 6.9%

Under 18 years 4.0%

18 and over 7.4%

Married-couple families 1.9%

Female-led households 11.8%

Income support

Source	% of households
Social Security	53.6%
Retirement income	31.3%
Supplemental Security	6.8%
Cash public assistance	0.6%
Food stamps / SNAP	27.9%

Health indicators

Condition	%
High blood pressure	36.5%
High cholesterol	35.3%
Heart disease	7.6%
Stroke	3.4%
Asthma	9.7%
Arthritis	27.8%
Kidney disease	3.2%
Pulmonary disease	7.9%
Cancer	7.2%

Behavior / access	%
Binge drinking	16.8%
No physical activity	25.8%
Less than 7 hrs sleep	35.0%
Fair or poor health	15.4%
Poor mental health	14.2%
Poor physical health	11.0%
No health insurance	14.2%
Visited doctor (checkup)	73.5%
Visited dentist	61.2%
Cholesterol screening	87.9%
Teeth loss	15.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	87	15.8%

Disability	%
Any disability	30.3%
Under 18	5.0%
18–64 years	25.9%
65 and over	53.6%

Health insurance coverage

Type	%
Private insurance	61.6%
Public insurance	43.3%
Uninsured under 19	51.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	645	98.8%
Spanish	5	0.8%
Other Indo-European	0	0.0%
Asian & Pacific Islander	5	0.8%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	636	97.4%
Born in same state	636	97.4%
Born in different state	449	68.8%
Foreign born	0	0.0%
Naturalized citizen	17	2.6%
Not a US citizen	17	100.0%

Ancestry

Ancestry	Count	%
Italian	76	11.6%
Arab	74	11.3%
French	60	9.2%

Ancestry	Count	%
English	16	2.5%
Polish	2	0.3%

Technology access

Metric	% of households
Computer access	49.5%
Internet access	91.6%

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

Frequently asked questions

What is the ZIP code for La Harpe, KS?

La Harpe, KS has one ZIP code: 66751.

What is the main ZIP code for La Harpe, KS?

The primary ZIP code for La Harpe, KS is 66751. The city uses area code 620 for phone service.

What county is La Harpe, KS in?

La Harpe is located in Allen County, Kansas.

How many ZIP codes are in La Harpe, KS?

La Harpe, KS has 1 ZIP code.

What is the ZIP code for downtown La Harpe, Kansas?

Downtown La Harpe is located in ZIP code 66751, which serves the central business district and historic core of this small Allen County community.

If I'm mailing a package to a business in La Harpe, KS, what ZIP code should I use?

All addresses in La Harpe, Kansas use the single ZIP code 66751, regardless of which neighborhood or district within the city the recipient is located.