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Kansas ZIP Codes
Washington County
Mahaska, KS
66955
66955 ZIP Code — Mahaska, KS
Washington County, Kansas
ZIP code 66955 is located in
Mahaska ,
Kansas ,
within Washington County .
It covers approximately 53.06 square miles and serves a population of
49 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 785 .
66955 ZIP code map
View map of 66955
Cities in ZIP code 66955
Below are the cities the US Postal Service accepts for ZIP code 66955. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
49
Population density
1 / sq mi
State FIPS
20
County FIPS
201
Geography
Land area
53.06 sq mi
Water area
0.17 sq mi
Latitude
39.9584
Longitude
-97.3129
Timezone
Central (CT)
Area code
785
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
67.9%
49.4%
41.1%
$50k – $100k
15.1%
36.9%
32.2%
$100k – $200k
15.1%
11.2%
21.0%
Over $200k
1.9%
2.5%
5.7%
Demographics & statistics
$46,719
Median household income
17.8%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 4 8.2%
18 and over 45 91.8%
65 and over 5 10.2%
Median age 50.8 years
Race & ethnicity
Household income
Income range
This ZIP
County avg
State avg
Under $50k
67.9%
49.4%
41.1%
$50k – $100k
15.1%
36.9%
32.2%
$100k – $200k
15.1%
11.2%
21.0%
Over $200k
1.9%
2.5%
5.7%
Range % of households
Under $10k 20.7%
$10k–$15k 3.4%
$25k–$35k 6.9%
$35k–$50k 27.6%
$50k–$75k 3.4%
$75k–$100k 13.8%
$100k–$150k 20.7%
$150k–$200k 3.4%
Median income $46,719
Housing
Housing overview
Metric Value
Median home value $0
Median rent / month $0
Owner occupied 100.0%
Renter occupied 0.0%
Vacant 34.1%
Single-family detached 65.9%
Large apartment buildings 0.0%
Mobile homes 0.0%
Median rooms 4.6
Avg household size (owned) 1.69
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 4.5%
1990–1999 0.0%
1980–1989 0.0%
1970–1979 4.5%
1960–1969 0.0%
1950–1959 6.8%
1940–1949 2.3%
1939 or earlier 81.8%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 38.6%
2 bedrooms 27.3%
3 bedrooms 27.3%
4 bedrooms 6.8%
5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 20.7%
2 vehicles 34.5%
3 or more 44.8%
Heating fuel
Fuel type %
Utility gas 69.0%
Electricity 3.4%
Propane / LP gas 3.4%
Fuel oil 3.4%
Households & families
Household type Count %
Married-couple family 18 62.1%
Cohabiting couple 0 0.0%
Male householder, no spouse 9 31.0%
Female householder, no spouse 2 6.9%
Households with children under 18 1 3.4%
Households with seniors (65+) 4 13.8%
Average household size 1.69
Marital status
Status Male Female
Never married 11.1% 11.1%
Married 66.7% 66.7%
Separated 0.0% 0.0%
Widowed 0.0% 11.1%
Divorced 22.2% 11.1%
Education
Some HS, no diploma
15.6%
Some college, no degree
22.2%
Graduate / professional
4.4%
Metric %
HS diploma or higher 84.4%
Bachelor's or higher 17.8%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 0 0.0%
Elementary school 4 100.0%
High school 0 0.0%
College / grad school 0 0.0%
Employment
Industry of employment
Agriculture & mining
36.0%
Finance & real estate
4.0%
Education & healthcare
4.0%
Occupation
Category %
Management, business & arts 36.0%
Service 0.0%
Sales & office 16.0%
Natural resources & construction 36.0%
Production & transportation 12.0%
Employment type
Type %
Private sector 96.0%
Government 4.0%
Self-employed 0.0%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 68.0%
Carpool 4.0%
Public transit 0.0%
Walk 0.0%
Work from home 4.0%
Other means 24.0%
Avg commute (minutes) 27.1
Poverty
Married-couple families
33.3%
Female-led households
0.0%
Income support
Source % of households
Social Security 58.6%
Retirement income 6.9%
Supplemental Security 0.0%
Cash public assistance 0.0%
Food stamps / SNAP 6.9%
Health indicators
Condition %
Obesity 39.3%
High blood pressure 36.6%
High cholesterol 36.0%
Diabetes 11.5%
Heart disease 8.4%
Stroke 3.6%
Asthma 9.0%
Arthritis 28.1%
Kidney disease 3.3%
Pulmonary disease 7.5%
Cancer 8.0%
Behavior / access %
Smoking 18.6%
Binge drinking 16.3%
No physical activity 25.0%
Less than 7 hrs sleep 31.8%
Depression 18.1%
Fair or poor health 14.8%
Poor mental health 13.0%
Poor physical health 10.9%
No health insurance 13.4%
Visited doctor (checkup) 75.3%
Visited dentist 62.5%
Cholesterol screening 89.7%
Teeth loss 14.9%
Veterans & disability
Veterans Count %
Civilian veterans 0 0.0%
Disability %
Any disability 20.4%
Under 18 0.0%
18–64 years 20.0%
65 and over 40.0%
Health insurance coverage
Type %
Private insurance 81.6%
Public insurance 30.6%
No insurance 6.1%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 49 100.0%
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) 49 100.0%
Born in same state 47 95.9%
Born in different state 27 55.1%
Foreign born 2 4.1%
Naturalized citizen 0 0.0%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
Italian 3 6.1%
Polish 3 6.1%
Ancestry Count %
French 3 6.1%
English 1 2%
Technology access
Metric % of households
Computer access 59.2%
Internet access 58.6%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 66955
What city is ZIP code 66955 in?
ZIP code 66955 is primarily assigned to Mahaska, Kansas.
What county is ZIP code 66955 in?
ZIP code 66955 falls within Washington County, Kansas.
What is the poverty rate in ZIP code 66955?
35% of residents in ZIP code 66955 live below the poverty line, above the national average.
Does ZIP code 66955 have a large retiree population?
59% of households in ZIP code 66955 receive Social Security income, suggesting a significant retiree or disability population.
What is the median household income in ZIP code 66955?
The median household income in ZIP code 66955 is $46,719, below the national median of ~$75,000.
What is the population of ZIP code 66955?
ZIP code 66955 has an estimated population of 49 residents, with a density of 1 people per square mile.
What timezone is ZIP code 66955 in?
ZIP code 66955 observes the CST timezone.
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