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Kansas ZIP Codes
Wabaunsee County
Alma, KS
66401
66401 ZIP Code — Alma, KS
Wabaunsee County, Kansas
ZIP code 66401 is located in
Alma ,
Kansas ,
within Wabaunsee County .
It covers approximately 241.06 square miles and serves a population of
1,797 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 785 .
About ZIP code 66401
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $184,300. Owner-occupancy is high at 78%, well above the national average.
The gap between median ($62,813) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 3% is below the national average. 43% 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 26 minutes is near the national average.
Educational attainment is near the national average, with 34% of residents holding a bachelor's degree or higher.
Notable community characteristics include disability rates above the national average at 24%.
Overall, ZIP code 66401 reflects a community defined by high homeownership and a significant Social Security-dependent population.
66401 ZIP code map
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Cities in ZIP code 66401
Below are the cities the US Postal Service accepts for ZIP code 66401. Using any city not on this list may result in mail delivery delays.
City
Status
Alma
Preferred
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
1,797
Population density
7 / sq mi
State FIPS
20
County FIPS
197
Geography
Land area
241.06 sq mi
Water area
1.09 sq mi
Latitude
38.9746
Longitude
-96.3165
Timezone
Central (CT)
Area code
785
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
36.0%
35.9%
41.1%
$50k – $100k
35.1%
41.2%
32.2%
$100k – $200k
21.1%
18.8%
21.0%
Over $200k
7.9%
4.2%
5.7%
Demographics & statistics
$62,813
Median household income
$184,300
Median home value
34.0%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 394 21.9%
18 and over 1,403 78.1%
65 and over 548 30.5%
Median age 50.5 years
Race & ethnicity
American Indian / Alaska Native
0.7%
Black or African American
0.4%
Group Count %
White 1,714 93.2%
Hispanic or Latino 42 2.3%
Two or more races 33 1.8%
Other race 30 1.6%
American Indian / Alaska Native 12 0.7%
Black or African American 8 0.4%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
36.0%
35.9%
41.1%
$50k – $100k
35.1%
41.2%
32.2%
$100k – $200k
21.1%
18.8%
21.0%
Over $200k
7.9%
4.2%
5.7%
Range % of households
Under $10k 0.7%
$10k–$15k 0.7%
$15k–$25k 5.7%
$25k–$35k 6.1%
$35k–$50k 19.9%
$50k–$75k 22.9%
$75k–$100k 8.6%
$100k–$150k 14.5%
$150k–$200k 5.9%
$200k+ 15.1%
Median income $62,813
Housing
Housing overview
Metric Value
Median home value $184,300
Median rent / month $0
Owner occupied 78.1%
Renter occupied 21.9%
Vacant 26.3%
Single-family detached 82.0%
Large apartment buildings 0.6%
Mobile homes 1.6%
Median rooms 5.9
Avg household size (owned) 2.51
Year built
Era %
2020 or later 0.0%
2010–2019 7.3%
2000–2009 17.1%
1990–1999 3.7%
1980–1989 10.2%
1970–1979 7.0%
1960–1969 8.5%
1950–1959 9.5%
1940–1949 3.4%
1939 or earlier 33.3%
Bedrooms
Size % of units
No bedroom (studio) 1.5%
1 bedroom 8.9%
2 bedrooms 14.2%
3 bedrooms 61.5%
4 bedrooms 11.5%
5+ bedrooms 2.3%
Vehicles per household
Vehicles % of households
No vehicle 1.3%
1 vehicle 18.0%
2 vehicles 49.6%
3 or more 31.1%
Heating fuel
Fuel type %
Utility gas 46.0%
Electricity 10.3%
Propane / LP gas 21.0%
Fuel oil 10.8%
Wood 12.0%
Households & families
Household type Count %
Married-couple family 395 51.4%
Cohabiting couple 16 2.1%
Male householder, no spouse 151 19.7%
Female householder, no spouse 206 26.8%
Households with children under 18 176 22.9%
Households with seniors (65+) 415 54.0%
Average household size 2.29
Marital status
Status Male Female
Never married 15.6% 18.4%
Married 62.9% 54.2%
Separated 0.1% 0.3%
Widowed 2.6% 20.2%
Divorced 18.8% 7.0%
Education
Some college, no degree
15.6%
Graduate / professional
13.5%
Metric %
HS diploma or higher 97.3%
Bachelor's or higher 34.0%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 37 8.1%
Kindergarten 31 6.8%
Elementary school 233 51.1%
High school 57 12.5%
College / grad school 98 21.5%
Employment
Industry of employment
Education & healthcare
43.1%
Agriculture & mining
15.4%
Finance & real estate
4.9%
Transportation & utilities
4.3%
Public administration
4.3%
Professional & management
3.5%
Arts, food & hospitality
0.5%
Occupation
Category %
Management, business & arts 57.0%
Service 12.9%
Sales & office 10.6%
Natural resources & construction 12.9%
Production & transportation 6.7%
Employment type
Type %
Private sector 47.7%
Government 32.3%
Self-employed 20.0%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 70.7%
Carpool 13.3%
Public transit 0.0%
Walk 3.9%
Work from home 12.0%
Other means 0.0%
Avg commute (minutes) 25.9
Poverty
Married-couple families
1.3%
Female-led households
22.7%
Income support
Source % of households
Social Security 42.6%
Retirement income 31.8%
Supplemental Security 4.6%
Cash public assistance 0.0%
Food stamps / SNAP 3.8%
Health indicators
Condition %
Obesity 36.9%
High blood pressure 37.2%
High cholesterol 36.8%
Diabetes 11.0%
Heart disease 7.3%
Stroke 3.1%
Asthma 9.0%
Arthritis 26.7%
Kidney disease 3.0%
Pulmonary disease 6.6%
Cancer 8.0%
Behavior / access %
Smoking 16.4%
Binge drinking 17.1%
No physical activity 23.6%
Less than 7 hrs sleep 29.7%
Depression 18.5%
Fair or poor health 12.8%
Poor mental health 12.8%
Poor physical health 9.7%
No health insurance 12.7%
Visited doctor (checkup) 74.1%
Visited dentist 68.3%
Cholesterol screening 90.7%
Teeth loss 12.1%
Veterans & disability
Veterans Count %
Civilian veterans 84 6.0%
Disability %
Any disability 24.2%
Under 18 9.4%
18–64 years 11.6%
65 and over 55.4%
Health insurance coverage
Type %
Private insurance 89.5%
Public insurance 40.0%
No insurance 1.8%
Uninsured under 19 6.1%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 1,719 95.7%
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) 1,797 100.0%
Born in same state 1,767 98.3%
Born in different state 1,373 76.4%
Foreign born 30 1.7%
Naturalized citizen 0 0.0%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
Italian 294 16.4%
French 163 9.1%
Arab 126 7%
Ancestry Count %
Dutch 16 0.9%
English 12 0.7%
Polish 9 0.5%
Technology access
Metric % of households
Computer access 42.7%
Internet access 82.7%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 66401
What city is ZIP code 66401 in?
ZIP code 66401 is primarily assigned to Alma, Kansas.
What county is ZIP code 66401 in?
ZIP code 66401 falls within Wabaunsee County, Kansas.
Does ZIP code 66401 have an older population?
31% of residents in ZIP code 66401 are 65 or older, above the national average of ~17%.
Does ZIP code 66401 have a large retiree population?
43% of households in ZIP code 66401 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 66401?
The median home value in ZIP code 66401 is $184,300.
What is the population of ZIP code 66401?
ZIP code 66401 has an estimated population of 1,797 residents, with a density of 7 people per square mile.
What timezone is ZIP code 66401 in?
ZIP code 66401 observes the CST timezone.
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