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Kansas ZIP Codes
Allen County
La Harpe, KS
66751
66751 ZIP Code — La Harpe, KS
Allen County, Kansas
ZIP code 66751 is located in
La Harpe ,
Kansas ,
within Allen County .
It covers approximately 48.90 square miles and serves a population of
653 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 620 .
About ZIP code 66751
The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $58,500. Owner-occupancy is high at 81%, well above the national average.
Median household income is $43,250. The poverty rate of 7% is below the national average. SNAP benefit usage at 28% of households reflects economic stress in the area. 54% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 20 minutes is near the national average.
Educational attainment is near the national average, with 23% of residents holding a bachelor's degree or higher.
Health indicators show elevated rates of smoking (21%) compared to national benchmarks. 19% of residents lack health insurance, above the national average.
Notable community characteristics include a notable veteran presence at 16% of civilians, above the national average of 7%; and disability rates above the national average at 30%.
Overall, ZIP code 66751 reflects a community defined by a strong veteran community, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.
66751 ZIP code map
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Cities in ZIP code 66751
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
653
Population density
13 / sq mi
State FIPS
20
County FIPS
001
Geography
Land area
48.90 sq mi
Water area
0.40 sq mi
Latitude
37.9218
Longitude
-95.2805
Timezone
Central (CT)
Area code
620
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
65.9%
51.8%
41.1%
$50k – $100k
29.3%
35.7%
32.2%
$100k – $200k
4.8%
11.2%
21.0%
Over $200k
0.0%
1.3%
5.7%
Demographics & statistics
$43,250
Median household income
23.3%
Bachelor's or higher
Age distribution
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
American Indian / Alaska Native
0.3%
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
Income range
This ZIP
County avg
State avg
Under $50k
65.9%
51.8%
41.1%
$50k – $100k
29.3%
35.7%
32.2%
$100k – $200k
4.8%
11.2%
21.0%
Over $200k
0.0%
1.3%
5.7%
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
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
Some college, no degree
23.3%
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%
Agriculture & mining
4.5%
Public administration
3.3%
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%
Work from home 2.7%
Other means 0.0%
Avg commute (minutes) 20.2
Poverty
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 %
Obesity 39.1%
High blood pressure 36.5%
High cholesterol 35.3%
Diabetes 11.9%
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 %
Smoking 20.6%
Binge drinking 16.8%
No physical activity 25.8%
Less than 7 hrs sleep 35.0%
Depression 19.6%
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%
No insurance 19.3%
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 about ZIP code 66751
What city is ZIP code 66751 in?
ZIP code 66751 is primarily assigned to La Harpe, Kansas.
What county is ZIP code 66751 in?
ZIP code 66751 falls within Allen County, Kansas.
Does ZIP code 66751 have a large retiree population?
54% of households in ZIP code 66751 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 66751 have an older population?
28% of residents in ZIP code 66751 are 65 or older, above the national average of ~17%.
Does ZIP code 66751 have a large veteran population?
16% of civilians in ZIP code 66751 are veterans, above the national average of ~7%.
Is ZIP code 66751 mostly owner-occupied?
81% of occupied units in ZIP code 66751 are owner-occupied, well above the national average.
What timezone is ZIP code 66751 in?
ZIP code 66751 observes the CST timezone.
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