Lyndon ZIP Codes — Osage County, KS

There is one unique ZIP code in Lyndon, Kansas and it is 66451. Area code: 785.

ZIP codes

78.19

sq mi land

3.87

sq mi water

785

area code

Lyndon, KS ZIP code map

About Lyndon, KS

Lyndon is a charming city located in Osage County, Kansas. Known for its friendly community and small-town atmosphere, it offers a unique blend of rural living and modern conveniences. The city serves as a hub for local agriculture and has a rich history reflected in its local culture.

Location & geography

Lyndon is situated in east-central Kansas, approximately 22 miles southwest of Topeka and about 80 miles east of Junction City. The city has a total land area of 78.19 square miles, complemented by a water area of 3.87 square miles, providing a diverse terrain that includes both land and water features. The natural landscape consists of rolling hills and rivers, making it picturesque and inviting for outdoor activities.

Community & economy

The character of Lyndon is shaped by its close-knit community, where neighbors know each other and support local businesses. Agriculture plays a vital role in the local economy, with many residents engaged in farming and related industries. Daily life in Lyndon is marked by community events and gatherings that foster a strong sense of belonging and pride among its residents.

Transportation

The main route serving Lyndon is U.S. Highway 75, which connects the city to larger urban centers and facilitates travel. The nearest significant airport is the Topeka Regional Airport, located approximately 20 miles northeast, providing access to regional flights. Public transportation options are limited, so most residents rely on personal vehicles for commuting.

History

Lyndon was founded in the late 19th century and has a rich historical background tied to the development of Osage County. The city initially thrived on agriculture and has maintained its agricultural roots throughout the years, contributing to its economy. Notable events in its history include the establishment of local schools and community organizations that have strengthened its social fabric.

Did you know?

One surprising fact about Lyndon is that it serves as the county seat of Osage County, making it an important center for local governance. Additionally, Lyndon is known for its annual events that celebrate its rural heritage, drawing visitors from surrounding areas.

ZIP codes for Lyndon, KS (1)

ZIP code	City	County	Map
66451	Lyndon	Osage	View map

Demographics & statistics

1,834

Population

39.3

Median age

$71,750

Median household income

$33,456

Per capita income

$150,800

Median home value

$750

Median monthly rent

87.6%

Home ownership

6.1%

Poverty rate

1.0%

Unemployment

688

Housing units

26.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

109

122

45–54

137

55–59

60–64

101

65–74

113

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	490	26.7%
18 and over	1,344	73.3%
65 and over	319	17.4%
Median age	39.3 years

Race & ethnicity

White 96.3%

Black or African American 2%

Two or more races 1.6%

American Indian / Alaska Native 0.1%

Asian 0.1%

Group	Count	%
White	1,766	96.3%
Black or African American	36	2%
Two or more races	29	1.6%
American Indian / Alaska Native	2	0.1%
Asian	1	0.1%

Household income

Under $10k 1.9%

$10k–$15k 0.6%

$15k–$25k 4.9%

$25k–$35k 4.2%

$35k–$50k 12.9%

$50k–$75k 27.0%

$75k–$100k 19.8%

$100k–$150k 14.5%

$150k–$200k 5.7%

$200k+ 8.5%

Range	% of households
Under $10k	1.9%
$10k–$15k	0.6%
$15k–$25k	4.9%
$25k–$35k	4.2%
$35k–$50k	12.9%
$50k–$75k	27.0%
$75k–$100k	19.8%
$100k–$150k	14.5%
$150k–$200k	5.7%
$200k+	8.5%
Median income	$71,750

Housing

Home values

Under $50k 8.8%

$50k–$100k 18.1%

$100k–$150k 22.8%

$150k–$200k 14.9%

$200k–$300k 21.7%

$300k–$500k 10.4%

$500k–$1M 2.7%

$1M+ 0.5%

Housing overview

Metric	Value
Median home value	$150,800
Median rent / month	$750
Owner occupied	87.6%
Renter occupied	12.4%
Vacant	17.1%
Single-family detached	88.1%
Large apartment buildings	0.0%
Mobile homes	7.2%
Median rooms	6.3
Avg household size (owned)	2.96

Year built

Era	%
2020 or later	0.3%
2010–2019	3.9%
2000–2009	7.0%
1990–1999	12.8%
1980–1989	3.1%
1970–1979	14.1%
1960–1969	11.6%
1950–1959	5.0%
1940–1949	6.6%
1939 or earlier	35.6%

Bedrooms

Size	% of units
No bedroom (studio)	2.7%
1 bedroom	6.4%
2 bedrooms	20.3%
3 bedrooms	42.1%
4 bedrooms	17.1%
5+ bedrooms	11.3%

Vehicles per household

Vehicles	% of households
No vehicle	1.4%
1 vehicle	16.0%
2 vehicles	37.6%
3 or more	45.0%

Heating fuel

Fuel type	%
Utility gas	48.0%
Electricity	27.8%
Propane / LP gas	18.4%
Wood	5.2%

Households & families

Household type	Count	%
Married-couple family	389	61.2%
Cohabiting couple	84	13.2%
Male householder, no spouse	65	10.2%
Female householder, no spouse	98	15.4%
Households with children under 18	214	33.6%
Households with seniors (65+)	218	34.3%
Average household size	2.85

Marital status

Status	Male	Female
Never married	32.4%	22.6%
Married	52.2%	56.1%
Separated	0.6%	0.0%
Widowed	2.2%	3.7%
Divorced	12.6%	17.6%

Education

Less than 9th grade 1.0%

Some HS, no diploma 2.8%

HS graduate 39.3%

Some college, no degree 23.0%

Associate's degree 7.4%

Bachelor's degree 17.5%

Graduate / professional 9.0%

Metric	%
HS diploma or higher	96.1%
Bachelor's or higher	26.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	15	3.4%
Kindergarten	71	16.1%
Elementary school	160	36.3%
High school	146	33.1%
College / grad school	49	11.1%

Employment

Industry of employment

Education & healthcare 20.3%

Professional & management 14.0%

Public administration 10.1%

Construction 10.0%

Manufacturing 8.1%

Arts, food & hospitality 8.1%

Retail trade 7.9%

Finance & real estate 7.3%

Transportation & utilities 6.1%

Other services 3.9%

Agriculture & mining 1.9%

Wholesale trade 1.8%

Information 0.5%

Occupation

Category	%
Management, business & arts	37.8%
Service	16.6%
Sales & office	17.7%
Natural resources & construction	13.4%
Production & transportation	14.5%

Employment type

Type	%
Private sector	69.9%
Government	21.4%
Self-employed	8.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	75.1%
Carpool	15.1%
Public transit	0.0%
Walk	2.3%
Other means	0.0%
Avg commute (minutes)	26.7

Poverty

All people 6.1%

Under 18 years 0.0%

18 and over 7.9%

Married-couple families 1.8%

Female-led households 0.0%

Income support

Source	% of households
Social Security	36.8%
Retirement income	29.9%
Supplemental Security	4.1%
Cash public assistance	1.1%
Food stamps / SNAP	9.9%

Health indicators

Condition	%
High blood pressure	35.8%
High cholesterol	36.1%
Heart disease	6.9%
Stroke	3.1%
Asthma	9.5%
Arthritis	26.3%
Kidney disease	3.0%
Pulmonary disease	7.0%
Cancer	7.3%

Behavior / access	%
Binge drinking	17.3%
No physical activity	24.6%
Less than 7 hrs sleep	33.4%
Fair or poor health	13.8%
Poor mental health	13.4%
Poor physical health	10.2%
No health insurance	13.3%
Visited doctor (checkup)	74.7%
Visited dentist	65.7%
Cholesterol screening	89.4%
Teeth loss	13.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	124	9.2%

Disability	%
Any disability	18.0%
Under 18	13.9%
18–64 years	15.6%
65 and over	32.0%

Health insurance coverage

Type	%
Private insurance	71.7%
Public insurance	35.0%
Uninsured under 19	1.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,713	93.4%
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)	1,833	99.9%
Born in same state	1,826	99.6%
Born in different state	1,327	72.4%
Foreign born	7	0.4%
Naturalized citizen	1	0.1%
Not a US citizen	1	100.0%

Ancestry

Ancestry	Count	%
French	272	14.8%
Italian	171	9.3%
English	62	3.4%

Ancestry	Count	%
Arab	37	2%
Dutch	8	0.4%
Polish	2	0.1%

Technology access

Metric	% of households
Computer access	34.7%
Internet access	94.7%

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

Frequently asked questions

What ZIP codes does Lyndon, KS have?

Lyndon, KS has one ZIP code: 66451. Each ZIP code serves a distinct delivery area within the city and surrounding region.