66842 ZIP Code — Cassoday, KS
Butler County, Kansas
ZIP code 66842 is located in Cassoday, Kansas, within Butler County. It covers approximately 119.45 square miles and serves a population of 485 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 620.
About ZIP code 66842
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 $120,600. Owner-occupancy is high at 79%, well above the national average.
Median household income is $88,750.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 31 minutes is near the national average.
Educational attainment is near the national average, with 37% of residents holding a bachelor's degree or higher.
Health indicators show elevated rates of smoking (21%) compared to national benchmarks.
485
population
119.45
sq mi land
Standard
ZIP type
Central (CT)
timezone
66842 ZIP code map
Cities in ZIP code 66842
Below are the cities the US Postal Service accepts for ZIP code 66842. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Cassoday | Preferred |
Nearby ZIP codes
66840 Burns (12.7 mi)
67042 El Dorado (13.9 mi)
67132 Rosalia (17.2 mi)
66843 Cedar Point (18.9 mi)
67045 Eureka (19 mi)
67123 Potwin (19.6 mi)
66851 Florence (19.9 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 485 |
| Population density | 4 / sq mi |
| State FIPS | 20 |
| County FIPS | 015 |
| Geography | |
|---|---|
| Land area | 119.45 sq mi |
| Water area | 0.73 sq mi |
| Latitude | 38.0279 |
| Longitude | -96.6491 |
| Timezone | Central (CT) |
| Area code | 620 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 32.8% | 37.7% | 41.1% |
| $50k – $100k | 33.9% | 32.9% | 32.2% |
| $100k – $200k | 27.6% | 25.2% | 21.0% |
| Over $200k | 5.7% | 4.1% | 5.7% |
Demographics & statistics
485
Population
4
People per sq mi
47.0
Median age
$88,750
Median household income
$62,761
Per capita income
$120,600
Median home value
$1,086
Median monthly rent
79.3%
Home ownership
10.4%
Poverty rate
1.4%
Unemployment
236
Housing units
37.2%
Bachelor's or higher
Age distribution
Male
Female
8
Under 5
11
0
5–9
1
16
10–14
20
20
15–19
25
9
20–24
12
35
25–34
45
14
35–44
18
48
45–54
60
23
55–59
28
12
60–64
15
19
65–74
23
6
75–84
7
4
85+
6
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 89 | 18.4% |
| 18 and over | 396 | 81.6% |
| 65 and over | 65 | 13.4% |
| Median age | 47.0 years | |
Race & ethnicity
White
95.6%
Hispanic or Latino
2.2%
Two or more races
1.8%
Other race
0.4%
| Group | Count | % |
|---|---|---|
| White | 474 | 95.6% |
| Hispanic or Latino | 11 | 2.2% |
| Two or more races | 9 | 1.8% |
| Other race | 2 | 0.4% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 32.8% | 37.7% | 41.1% |
| $50k – $100k | 33.9% | 32.9% | 32.2% |
| $100k – $200k | 27.6% | 25.2% | 21.0% |
| Over $200k | 5.7% | 4.1% | 5.7% |
Under $10k
1.1%
$10k–$15k
1.1%
$15k–$25k
6.9%
$25k–$35k
2.7%
$35k–$50k
16.5%
$50k–$75k
17.6%
$75k–$100k
15.4%
$100k–$150k
27.1%
$150k–$200k
5.3%
$200k+
6.4%
| Range | % of households |
|---|---|
| Under $10k | 1.1% |
| $10k–$15k | 1.1% |
| $15k–$25k | 6.9% |
| $25k–$35k | 2.7% |
| $35k–$50k | 16.5% |
| $50k–$75k | 17.6% |
| $75k–$100k | 15.4% |
| $100k–$150k | 27.1% |
| $150k–$200k | 5.3% |
| $200k+ | 6.4% |
| Median income | $88,750 |
Housing
Home values
Under $50k
12.1%
$50k–$100k
26.8%
$100k–$150k
19.5%
$150k–$200k
4.7%
$200k–$300k
19.5%
$300k–$500k
9.4%
$1M+
8.1%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $120,600 |
| Median rent / month | $1,086 |
| Owner occupied | 79.3% |
| Renter occupied | 20.7% |
| Vacant | 31.6% |
| Single-family detached | 83.6% |
| Large apartment buildings | 0.0% |
| Mobile homes | 16.4% |
| Median rooms | 6.3 |
| Avg household size (owned) | 2.44 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 9.5% |
| 2000–2009 | 8.0% |
| 1990–1999 | 18.5% |
| 1980–1989 | 4.4% |
| 1970–1979 | 14.5% |
| 1960–1969 | 0.0% |
| 1950–1959 | 4.7% |
| 1940–1949 | 10.5% |
| 1939 or earlier | 29.8% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.5% |
| 1 bedroom | 7.3% |
| 2 bedrooms | 15.6% |
| 3 bedrooms | 50.2% |
| 4 bedrooms | 24.4% |
| 5+ bedrooms | 1.1% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 3.2% |
| 1 vehicle | 10.6% |
| 2 vehicles | 34.6% |
| 3 or more | 51.6% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 36.7% |
| Electricity | 9.6% |
| Propane / LP gas | 44.7% |
| Wood | 9.0% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 107 | 56.9% |
| Cohabiting couple | 4 | 2.1% |
| Male householder, no spouse | 37 | 19.7% |
| Female householder, no spouse | 40 | 21.3% |
| Households with children under 18 | 50 | 26.6% |
| Households with seniors (65+) | 48 | 25.5% |
| Average household size | 2.58 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 36.8% | 16.2% |
| Married | 53.2% | 60.1% |
| Separated | 0.0% | 3.5% |
| Widowed | 0.5% | 5.3% |
| Divorced | 9.5% | 14.9% |
Education
Less than 9th grade
6.6%
Some HS, no diploma
5.0%
HS graduate
23.4%
Some college, no degree
24.0%
Associate's degree
3.9%
Bachelor's degree
29.8%
Graduate / professional
7.4%
| Metric | % |
|---|---|
| HS diploma or higher | 88.4% |
| Bachelor's or higher | 37.2% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 0 | 0.0% |
| Kindergarten | 1 | 2.3% |
| Elementary school | 4 | 9.1% |
| High school | 27 | 61.4% |
| College / grad school | 12 | 27.3% |
Employment
Industry of employment
Education & healthcare
26.1%
Arts, food & hospitality
18.0%
Manufacturing
13.0%
Public administration
11.3%
Transportation & utilities
8.8%
Construction
5.6%
Other services
5.3%
Agriculture & mining
3.9%
Finance & real estate
3.5%
Professional & management
3.2%
Information
1.4%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 32.4% |
| Service | 25.4% |
| Sales & office | 20.8% |
| Natural resources & construction | 6.0% |
| Production & transportation | 15.5% |
Employment type
| Type | % |
|---|---|
| Private sector | 56.3% |
| Government | 34.2% |
| Self-employed | 9.5% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 87.5% |
| Carpool | 6.8% |
| Public transit | 0.0% |
| Walk | 0.4% |
| Work from home | 1.8% |
| Other means | 3.6% |
| Avg commute (minutes) | 31.0 |
Poverty
All people
10.4%
Under 18 years
29.7%
18 and over
7.3%
Married-couple families
1.9%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 24.5% |
| Retirement income | 28.7% |
| Supplemental Security | 2.1% |
| Cash public assistance | 0.0% |
| Food stamps / SNAP | 12.2% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 39.1% |
| High blood pressure | 38.4% |
| High cholesterol | 38.7% |
| Diabetes | 13.0% |
| Heart disease | 8.6% |
| Stroke | 3.7% |
| Asthma | 9.4% |
| Arthritis | 29.1% |
| Kidney disease | 3.5% |
| Pulmonary disease | 8.5% |
| Cancer | 8.1% |
| Behavior / access | % |
|---|---|
| Smoking | 20.9% |
| Binge drinking | 16.1% |
| No physical activity | 26.6% |
| Less than 7 hrs sleep | 34.1% |
| Depression | 19.1% |
| Fair or poor health | 16.8% |
| Poor mental health | 14.0% |
| Poor physical health | 11.8% |
| No health insurance | 15.4% |
| Visited doctor (checkup) | 75.4% |
| Visited dentist | 61.0% |
| Cholesterol screening | 88.9% |
| Teeth loss | 16.4% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 28 | 7.1% |
| Disability | % |
|---|---|
| Any disability | 15.1% |
| Under 18 | 14.6% |
| 18–64 years | 9.1% |
| 65 and over | 46.2% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 73.2% |
| Public insurance | 31.1% |
| No insurance | 6.8% |
| Uninsured under 19 | 4.4% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 466 | 96.1% |
| Spanish | 6 | 1.3% |
| Other Indo-European | 0 | 0.0% |
| Asian & Pacific Islander | 6 | 1.3% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 485 | 100.0% |
| Born in same state | 483 | 99.6% |
| Born in different state | 415 | 85.6% |
| Foreign born | 2 | 0.4% |
| Naturalized citizen | 0 | 0.0% |
| Not a US citizen | 0 | 0.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 103 | 21.2% |
| Arab | 82 | 16.9% |
| French | 33 | 6.8% |
| Ancestry | Count | % |
|---|---|---|
| Polish | 6 | 1.2% |
| German | 4 | 0.8% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 38.8% |
| Internet access | 94.7% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 66842
What city is ZIP code 66842 in?
ZIP code 66842 is primarily assigned to Cassoday, Kansas.
What county is ZIP code 66842 in?
ZIP code 66842 falls within Butler County, Kansas.
What is the typical home value in ZIP code 66842?
The median home value in ZIP code 66842 is $120,600.
What is the population of ZIP code 66842?
ZIP code 66842 has an estimated population of 485 residents, with a density of 4 people per square mile.
What is the median household income in ZIP code 66842?
The median household income in ZIP code 66842 is $88,750, above the national median of ~$75,000.
What timezone is ZIP code 66842 in?
ZIP code 66842 observes the CST timezone.