66833 ZIP Code — Allen, KS

Lyon County, Kansas

ZIP code 66833 is located in Allen, Kansas, within Lyon County. It covers approximately 134.22 square miles and serves a population of 642 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 620.

About ZIP code 66833

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Owner-occupancy is high at 78%, well above the national average.

Median household income is $55,000. 51% 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 27 minutes is near the national average.

College attainment at 19% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 66833 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

642

population

134.22

sq mi land

Standard

ZIP type

Central (CT)

timezone

66833 ZIP code map

Cities in ZIP code 66833

Below are the cities the US Postal Service accepts for ZIP code 66833. Using any city not on this list may result in mail delivery delays.

City	Status
Allen	Acceptable
Allen	Preferred

Nearby ZIP codes

66830 Admire (5.1 mi) 66835 Americus (8.8 mi) 66423 Eskridge (11.3 mi) 66868 Reading (11.5 mi) 66801 Emporia (15.1 mi) 66431 Harveyville (16.3 mi) 66846 Council Grove (18.3 mi) 66523 Osage City (18.9 mi)

Demographics updated 05/2026

Population
Total population	642
Population density	5 / sq mi
State FIPS	20
County FIPS	111

Geography
Land area	134.22 sq mi
Water area	0.89 sq mi
Latitude	38.6519
Longitude	-96.1866
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	55.6%	49.7%	41.1%
$50k – $100k	32.9%	34.8%	32.2%
$100k – $200k	11.5%	13.2%	21.0%
Over $200k	0.0%	2.3%	5.7%

Demographics & statistics

642

Population

People per sq mi

46.0

Median age

$55,000

Median household income

$32,525

Per capita income

Median home value

$488

Median monthly rent

78.4%

Home ownership

9.8%

Poverty rate

0.3%

Unemployment

261

Housing units

19.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	122	19.0%
18 and over	520	81.0%
65 and over	215	33.5%
Median age	46.0 years

Race & ethnicity

White 93.2%

Two or more races 5.1%

American Indian / Alaska Native 0.9%

Hispanic or Latino 0.8%

Group	Count	%
White	603	93.2%
Two or more races	33	5.1%
American Indian / Alaska Native	6	0.9%
Hispanic or Latino	5	0.8%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	55.6%	49.7%	41.1%
$50k – $100k	32.9%	34.8%	32.2%
$100k – $200k	11.5%	13.2%	21.0%
Over $200k	0.0%	2.3%	5.7%

Under $10k 2.0%

$10k–$15k 0.3%

$15k–$25k 9.8%

$25k–$35k 6.8%

$35k–$50k 10.8%

$50k–$75k 37.5%

$75k–$100k 9.1%

$100k–$150k 20.6%

$150k–$200k 3.0%

Range	% of households
Under $10k	2.0%
$10k–$15k	0.3%
$15k–$25k	9.8%
$25k–$35k	6.8%
$35k–$50k	10.8%
$50k–$75k	37.5%
$75k–$100k	9.1%
$100k–$150k	20.6%
$150k–$200k	3.0%
Median income	$55,000

Housing

Home values

Under $50k 16.8%

$50k–$100k 38.4%

$100k–$150k 3.0%

$150k–$200k 9.9%

$200k–$300k 12.1%

$300k–$500k 16.8%

$500k–$1M 3.0%

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$488
Owner occupied	78.4%
Renter occupied	21.6%
Vacant	8.9%
Single-family detached	78.8%
Large apartment buildings	0.0%
Mobile homes	7.4%
Median rooms	5.3
Avg household size (owned)	2.26

Year built

Era	%
2020 or later	0.0%
2010–2019	7.4%
2000–2009	12.3%
1990–1999	5.5%
1980–1989	16.6%
1970–1979	15.4%
1960–1969	0.3%
1950–1959	0.9%
1940–1949	1.8%
1939 or earlier	39.7%

Bedrooms

Size	% of units
No bedroom (studio)	1.5%
1 bedroom	14.8%
2 bedrooms	26.8%
3 bedrooms	32.6%
4 bedrooms	16.9%
5+ bedrooms	7.4%

Vehicles per household

Vehicles	% of households
No vehicle	3.0%
1 vehicle	43.6%
2 vehicles	21.3%
3 or more	32.1%

Heating fuel

Fuel type	%
Utility gas	29.4%
Electricity	24.7%
Propane / LP gas	36.5%
Wood	8.1%

Households & families

Household type	Count	%
Married-couple family	145	49.0%
Cohabiting couple	55	18.6%
Male householder, no spouse	34	11.5%
Female householder, no spouse	62	20.9%
Households with children under 18	51	17.2%
Households with seniors (65+)	159	53.7%
Average household size	2.17

Marital status

Status	Male	Female
Never married	31.6%	17.0%
Married	56.0%	53.3%
Separated	0.7%	0.0%
Widowed	3.2%	5.8%
Divorced	8.5%	23.9%

Education

Less than 9th grade 1.1%

Some HS, no diploma 1.8%

HS graduate 36.5%

Some college, no degree 24.6%

Associate's degree 16.8%

Bachelor's degree 9.2%

Graduate / professional 10.1%

Metric	%
HS diploma or higher	97.1%
Bachelor's or higher	19.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	15	9.4%
Kindergarten	0	0.0%
Elementary school	61	38.4%
High school	45	28.3%
College / grad school	38	23.9%

Employment

Industry of employment

Education & healthcare 27.9%

Manufacturing 24.8%

Agriculture & mining 11.4%

Transportation & utilities 7.3%

Information 7.3%

Public administration 5.1%

Construction 4.4%

Professional & management 3.5%

Retail trade 3.2%

Other services 2.9%

Arts, food & hospitality 1.6%

Wholesale trade 0.6%

Occupation

Category	%
Management, business & arts	46.3%
Service	8.3%
Sales & office	10.8%
Natural resources & construction	7.9%
Production & transportation	26.7%

Employment type

Type	%
Private sector	66.0%
Government	23.8%
Self-employed	10.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	87.7%
Carpool	3.5%
Public transit	0.0%
Walk	5.6%
Work from home	3.2%
Other means	0.0%
Avg commute (minutes)	26.8

Poverty

All people 9.8%

Under 18 years 28.7%

18 and over 5.4%

Married-couple families 2.1%

Female-led households 90.0%

Income support

Source	% of households
Social Security	51.4%
Retirement income	44.3%
Supplemental Security	0.3%
Cash public assistance	1.7%
Food stamps / SNAP	0.3%

Health indicators

Condition	%
Obesity	36.6%
High blood pressure	36.3%
High cholesterol	37.4%
Diabetes	10.6%
Heart disease	7.1%
Stroke	3.0%
Asthma	9.0%
Arthritis	26.3%
Kidney disease	3.0%
Pulmonary disease	6.4%
Cancer	8.1%

Behavior / access	%
Smoking	15.5%
Binge drinking	16.5%
No physical activity	20.5%
Less than 7 hrs sleep	29.8%
Depression	18.2%
Fair or poor health	12.3%
Poor mental health	12.5%
Poor physical health	9.4%
No health insurance	11.5%
Visited doctor (checkup)	76.6%
Visited dentist	71.8%
Cholesterol screening	91.5%
Teeth loss	10.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	49	9.4%

Disability	%
Any disability	16.0%
Under 18	0.0%
18–64 years	8.5%
65 and over	35.8%

Health insurance coverage

Type	%
Private insurance	70.6%
Public insurance	45.3%
No insurance	4.8%
Uninsured under 19	1.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	629	98.0%
Spanish	2	0.3%
Other Indo-European	2	0.3%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	636	99.1%
Born in same state	636	99.1%
Born in different state	473	73.7%
Foreign born	0	0.0%
Naturalized citizen	6	0.9%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	161	25.1%
French	85	13.2%
Arab	26	4%

Ancestry	Count	%
English	2	0.3%
Polish	2	0.3%
Dutch	1	0.2%

Technology access

Metric	% of households
Computer access	46.1%
Internet access	93.6%

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

Frequently asked questions about ZIP code 66833

What city is ZIP code 66833 in?

ZIP code 66833 is primarily assigned to Allen, Kansas.

What county is ZIP code 66833 in?

ZIP code 66833 falls within Lyon County, Kansas.

Does ZIP code 66833 have an older population?

34% of residents in ZIP code 66833 are 65 or older, above the national average of ~17%.

Does ZIP code 66833 have a large retiree population?

51% of households in ZIP code 66833 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 66833 have a large veteran population?

9% of civilians in ZIP code 66833 are veterans, above the national average of ~7%.

What is the population of ZIP code 66833?

ZIP code 66833 has an estimated population of 642 residents, with a density of 5 people per square mile.

What timezone is ZIP code 66833 in?

ZIP code 66833 observes the CST timezone.