66040 ZIP Code — La Cygne, KS

Linn County, Kansas

ZIP code 66040 is located in La Cygne, Kansas, within Linn County. It covers approximately 134.25 square miles and serves a population of 3,216 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 913.

About ZIP code 66040

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $143,700. Owner-occupancy is high at 81%, well above the national average.

Median household income is $59,423. 50% 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 35 minutes is near the national average.

Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (22%) compared to national benchmarks.

Overall, ZIP code 66040 reflects a community defined by high homeownership and a significant Social Security-dependent population.

3,216

population

134.25

sq mi land

Standard

ZIP type

Central (CT)

timezone

66040 ZIP code map

Cities in ZIP code 66040

Below are the cities the US Postal Service accepts for ZIP code 66040. Using any city not on this list may result in mail delivery delays.

City	Status
La Cygne	Acceptable
La Cygne	Preferred

Nearby ZIP codes

66026 Fontana (6.2 mi) 66072 Parker (10.6 mi) 64723 Amsterdam (11.1 mi) 66075 Pleasanton (12.3 mi) 64722 Amoret (13.1 mi) 66064 Osawatomie (14 mi) 66053 Louisburg (14.6 mi) 66014 Centerville (14.8 mi) 66071 Paola (15.1 mi) 64742 Drexel (15.7 mi) 66056 Mound City (15.8 mi) 66042 Lane (17.8 mi)

Demographics updated 05/2026

Population
Total population	3,216
Population density	24 / sq mi
State FIPS	20
County FIPS	107

Geography
Land area	134.25 sq mi
Water area	6.55 sq mi
Latitude	38.3709
Longitude	-94.7653
Timezone	Central (CT)
Area code	913

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	46.1%	49.8%	41.1%
$50k – $100k	33.4%	30.1%	32.2%
$100k – $200k	18.0%	16.0%	21.0%
Over $200k	2.5%	4.1%	5.7%

Demographics & statistics

3,216

Population

People per sq mi

48.8

Median age

$59,423

Median household income

$34,512

Per capita income

$143,700

Median home value

$943

Median monthly rent

81.4%

Home ownership

14.9%

Poverty rate

5.2%

Unemployment

1,734

Housing units

22.3%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

118

15–19

110

151

20–24

141

25–34

155

35–44

145

275

45–54

257

112

55–59

105

121

60–64

113

271

65–74

253

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	549	17.1%
18 and over	2,667	82.9%
65 and over	842	26.2%
Median age	48.8 years

Race & ethnicity

White 89.1%

Two or more races 4.9%

Hispanic or Latino 2%

Asian 1.4%

Other race 1.3%

Black or African American 1.2%

Group	Count	%
White	2,926	89.1%
Two or more races	161	4.9%
Hispanic or Latino	67	2%
Asian	47	1.4%
Other race	43	1.3%
Black or African American	39	1.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	46.1%	49.8%	41.1%
$50k – $100k	33.4%	30.1%	32.2%
$100k – $200k	18.0%	16.0%	21.0%
Over $200k	2.5%	4.1%	5.7%

Under $10k 5.2%

$10k–$15k 5.6%

$15k–$25k 5.2%

$25k–$35k 11.1%

$35k–$50k 12.1%

$50k–$75k 17.6%

$75k–$100k 20.1%

$100k–$150k 16.2%

$150k–$200k 3.9%

$200k+ 3.0%

Range	% of households
Under $10k	5.2%
$10k–$15k	5.6%
$15k–$25k	5.2%
$25k–$35k	11.1%
$35k–$50k	12.1%
$50k–$75k	17.6%
$75k–$100k	20.1%
$100k–$150k	16.2%
$150k–$200k	3.9%
$200k+	3.0%
Median income	$59,423

Housing

Home values

Under $50k 11.2%

$50k–$100k 23.5%

$100k–$150k 18.6%

$150k–$200k 18.9%

$200k–$300k 19.9%

$300k–$500k 5.8%

$500k–$1M 2.1%

Housing overview

Metric	Value
Median home value	$143,700
Median rent / month	$943
Owner occupied	81.4%
Renter occupied	18.6%
Vacant	27.5%
Single-family detached	80.8%
Large apartment buildings	0.0%
Mobile homes	16.6%
Median rooms	5.3
Avg household size (owned)	2.20

Year built

Era	%
2020 or later	0.0%
2010–2019	6.7%
2000–2009	18.6%
1990–1999	18.7%
1980–1989	20.3%
1970–1979	21.7%
1960–1969	4.0%
1950–1959	4.1%
1940–1949	0.1%
1939 or earlier	5.7%

Bedrooms

Size	% of units
No bedroom (studio)	2.5%
1 bedroom	11.3%
2 bedrooms	24.1%
3 bedrooms	45.5%
4 bedrooms	15.7%
5+ bedrooms	1.0%

Vehicles per household

Vehicles	% of households
No vehicle	5.6%
1 vehicle	20.3%
2 vehicles	30.9%
3 or more	43.2%

Heating fuel

Fuel type	%
Utility gas	25.3%
Electricity	48.2%
Propane / LP gas	24.2%
Fuel oil	0.3%
Wood	1.9%

Households & families

Household type	Count	%
Married-couple family	768	52.9%
Cohabiting couple	87	6.0%
Male householder, no spouse	311	21.4%
Female householder, no spouse	286	19.7%
Households with children under 18	343	23.6%
Households with seniors (65+)	636	43.8%
Average household size	2.21

Marital status

Status	Male	Female
Never married	27.1%	20.2%
Married	53.2%	52.7%
Separated	1.5%	0.2%
Widowed	6.0%	15.5%
Divorced	12.2%	11.4%

Education

Less than 9th grade 2.1%

Some HS, no diploma 4.2%

HS graduate 33.9%

Some college, no degree 29.6%

Associate's degree 7.9%

Bachelor's degree 14.2%

Graduate / professional 8.0%

Metric	%
HS diploma or higher	93.7%
Bachelor's or higher	22.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	28	4.4%
Kindergarten	7	1.1%
Elementary school	232	36.8%
High school	217	34.4%
College / grad school	147	23.3%

Employment

Industry of employment

Education & healthcare 18.0%

Construction 15.6%

Retail trade 11.4%

Manufacturing 10.0%

Transportation & utilities 9.8%

Agriculture & mining 7.6%

Arts, food & hospitality 6.5%

Professional & management 5.9%

Public administration 5.4%

Finance & real estate 3.2%

Other services 2.6%

Information 2.3%

Wholesale trade 1.7%

Occupation

Category	%
Management, business & arts	30.9%
Service	16.7%
Sales & office	25.5%
Natural resources & construction	15.3%
Production & transportation	11.7%

Employment type

Type	%
Private sector	67.8%
Government	17.3%
Self-employed	14.1%
Unpaid family workers	0.8%

Commute

Method	%
Drive alone	74.0%
Carpool	9.1%
Public transit	1.9%
Walk	2.8%
Work from home	9.4%
Other means	2.9%
Avg commute (minutes)	35.0

Poverty

All people 14.9%

Under 18 years 26.2%

18 and over 12.7%

Married-couple families 2.1%

Female-led households 36.7%

Income support

Source	% of households
Social Security	50.3%
Retirement income	41.6%
Supplemental Security	5.9%
Cash public assistance	0.8%
Food stamps / SNAP	4.4%

Health indicators

Condition	%
Obesity	40.5%
High blood pressure	39.1%
High cholesterol	37.8%
Diabetes	13.7%
Heart disease	8.6%
Stroke	3.8%
Asthma	9.9%
Arthritis	30.3%
Kidney disease	3.6%
Pulmonary disease	9.0%
Cancer	7.8%

Behavior / access	%
Smoking	21.5%
Binge drinking	16.1%
No physical activity	27.2%
Less than 7 hrs sleep	34.9%
Depression	20.3%
Fair or poor health	17.3%
Poor mental health	14.2%
Poor physical health	12.3%
No health insurance	14.9%
Visited doctor (checkup)	74.3%
Visited dentist	60.5%
Cholesterol screening	89.6%
Teeth loss	16.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	260	9.7%

Disability	%
Any disability	18.5%
Under 18	4.0%
18–64 years	17.5%
65 and over	29.9%

Health insurance coverage

Type	%
Private insurance	69.3%
Public insurance	43.3%
No insurance	10.4%
Uninsured under 19	2.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,075	95.6%
Spanish	41	1.3%
Other Indo-European	38	1.2%
Asian & Pacific Islander	3	0.1%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,156	98.1%
Born in same state	3,144	97.8%
Born in different state	1,860	57.8%
Foreign born	12	0.4%
Naturalized citizen	60	1.9%
Not a US citizen	15	25.0%

Ancestry

Ancestry	Count	%
Italian	629	19.6%
French	363	11.3%
Arab	190	5.9%
English	36	1.1%

Ancestry	Count	%
German	25	0.8%
Polish	18	0.6%
Dutch	12	0.4%

Technology access

Metric	% of households
Computer access	45.1%
Internet access	94.5%

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

Frequently asked questions about ZIP code 66040

What city is ZIP code 66040 in?

ZIP code 66040 is primarily assigned to La Cygne, Kansas.

What county is ZIP code 66040 in?

ZIP code 66040 falls within Linn County, Kansas.

Does ZIP code 66040 have an older population?

26% of residents in ZIP code 66040 are 65 or older, above the national average of ~17%.

Does ZIP code 66040 have a large retiree population?

50% of households in ZIP code 66040 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 66040 mostly owner-occupied?

81% of occupied units in ZIP code 66040 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 66040?

The median home value in ZIP code 66040 is $143,700.

What timezone is ZIP code 66040 in?

ZIP code 66040 observes the CST timezone.