La Harpe ZIP Codes — Allen County, KS

There is one unique ZIP code in La Harpe, Kansas and it is 66751. Area code: 620.
1
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
4
Under 5
4
14
5–9
13
18
10–14
16
46
15–19
41
11
20–24
10
15
25–34
14
33
35–44
29
38
45–54
33
27
55–59
23
44
60–64
39
64
65–74
55
25
75–84
22
8
85+
7
← Male
Female →

Age summary

GroupCount%
Under 1810115.5%
18 and over55284.5%
65 and over18127.7%
Median age54.0 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%
GroupCount%
White62094.8%
Asian172.6%
Two or more races132%
American Indian / Alaska Native20.3%
Hispanic or Latino10.2%
Native Hawaiian / Pacific Islander10.2%

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 $10k3.1%
$10k–$15k0.9%
$15k–$25k11.8%
$25k–$35k15.8%
$35k–$50k24.8%
$50k–$75k15.2%
$75k–$100k7.4%
$100k–$150k20.1%
$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

MetricValue
Median home value$58,500
Median rent / month$708
Owner occupied81.4%
Renter occupied18.6%
Vacant22.4%
Single-family detached58.9%
Large apartment buildings0.0%
Mobile homes34.9%
Median rooms5.9
Avg household size (owned)1.94

Year built

Era%
2020 or later0.5%
2010–20191.7%
2000–20094.1%
1990–19993.4%
1980–198931.7%
1970–197910.6%
1960–19691.9%
1950–19595.5%
1940–19495.3%
1939 or earlier35.3%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom2.2%
2 bedrooms37.0%
3 bedrooms48.6%
4 bedrooms10.8%
5+ bedrooms1.4%

Vehicles per household

Vehicles% of households
No vehicle5.6%
1 vehicle16.7%
2 vehicles53.3%
3 or more24.5%

Heating fuel

Fuel type%
Utility gas54.2%
Electricity30.0%
Propane / LP gas13.3%
Wood2.5%

Households & families

Household typeCount%
Married-couple family15848.9%
Cohabiting couple134.0%
Male householder, no spouse4814.9%
Female householder, no spouse10432.2%
Households with children under 186018.6%
Households with seniors (65+)14745.5%
Average household size2.02

Marital status

StatusMaleFemale
Never married35.5%22.1%
Married49.8%43.0%
Separated0.0%1.9%
Widowed10.3%12.9%
Divorced4.4%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 higher88.4%
Bachelor's or higher23.3%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool00.0%
Kindergarten42.6%
Elementary school5535.5%
High school8252.9%
College / grad school149.0%

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 & arts31.1%
Service24.0%
Sales & office16.5%
Natural resources & construction8.1%
Production & transportation20.4%

Employment type

Type%
Private sector66.8%
Government28.7%
Self-employed4.5%
Unpaid family workers0.0%

Commute

Method%
Drive alone82.6%
Carpool10.7%
Public transit0.0%
Walk4.0%
Other means0.0%
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 Security53.6%
Retirement income31.3%
Supplemental Security6.8%
Cash public assistance0.6%
Food stamps / SNAP27.9%

Health indicators

Condition%
High blood pressure36.5%
High cholesterol35.3%
Heart disease7.6%
Stroke3.4%
Asthma9.7%
Arthritis27.8%
Kidney disease3.2%
Pulmonary disease7.9%
Cancer7.2%
Behavior / access%
Binge drinking16.8%
No physical activity25.8%
Less than 7 hrs sleep35.0%
Fair or poor health15.4%
Poor mental health14.2%
Poor physical health11.0%
No health insurance14.2%
Visited doctor (checkup)73.5%
Visited dentist61.2%
Cholesterol screening87.9%
Teeth loss15.4%

Veterans & disability

VeteransCount%
Civilian veterans8715.8%
Disability%
Any disability30.3%
Under 185.0%
18–64 years25.9%
65 and over53.6%

Health insurance coverage

Type%
Private insurance61.6%
Public insurance43.3%
Uninsured under 1951.1%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only64598.8%
Spanish50.8%
Other Indo-European00.0%
Asian & Pacific Islander50.8%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)63697.4%
Born in same state63697.4%
Born in different state44968.8%
Foreign born00.0%
Naturalized citizen172.6%
Not a US citizen17100.0%

Ancestry

AncestryCount%
Italian7611.6%
Arab7411.3%
French609.2%
AncestryCount%
English162.5%
Polish20.3%

Technology access

Metric% of households
Computer access49.5%
Internet access91.6%

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

Frequently asked questions
What ZIP codes does La Harpe, KS have?
La Harpe, KS has one ZIP code: 66751. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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