66866 ZIP Code — Peabody, KS

Marion County, Kansas

ZIP code 66866 is located in Peabody, Kansas, within Marion County. It covers approximately 136.94 square miles and serves a population of 1,838 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 620.

About ZIP code 66866

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 $95,700. Owner-occupancy is high at 79%, well above the national average.

Median household income is $54,120. 38% 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 26 minutes is near the national average.

College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 66866 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

1,838

population

136.94

sq mi land

Standard

ZIP type

Central (CT)

timezone

66866 ZIP code map

Cities in ZIP code 66866

Below are the cities the US Postal Service accepts for ZIP code 66866. Using any city not on this list may result in mail delivery delays.

City	Status
Peabody	Preferred

Nearby ZIP codes

67151 Walton (6.8 mi) 67114 Newton (9.2 mi) 66851 Florence (9.7 mi) 67063 Hillsboro (13.8 mi) 67154 Whitewater (14 mi) 67117 North Newton (14.5 mi) 67117 North Newton (14.5 mi) 66840 Burns (14.8 mi) 66861 Marion (15.7 mi) 67123 Potwin (17.1 mi) 67062 Hesston (17.6 mi) 67073 Lehigh (18.5 mi)

Demographics updated 05/2026

Population
Total population	1,838
Population density	13 / sq mi
State FIPS	20
County FIPS	115

Geography
Land area	136.94 sq mi
Water area	0.23 sq mi
Latitude	38.1808
Longitude	-97.1155
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	54.2%	49.1%	41.1%
$50k – $100k	31.0%	35.3%	32.2%
$100k – $200k	14.0%	13.6%	21.0%
Over $200k	0.8%	2.0%	5.7%

Demographics & statistics

1,838

Population

People per sq mi

43.0

Median age

$54,120

Median household income

$25,811

Per capita income

$95,700

Median home value

$757

Median monthly rent

78.9%

Home ownership

10.8%

Poverty rate

7.5%

Unemployment

638

Housing units

16.9%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

110

25–34

109

35–44

45–54

108

55–59

108

60–64

103

65–74

103

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	362	19.7%
18 and over	1,476	80.3%
65 and over	451	24.5%
Median age	43.0 years

Race & ethnicity

White 95.2%

Two or more races 2.9%

Hispanic or Latino 0.9%

Other race 0.6%

Black or African American 0.3%

Group	Count	%
White	1,766	95.2%
Two or more races	54	2.9%
Hispanic or Latino	17	0.9%
Other race	12	0.6%
Black or African American	6	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	54.2%	49.1%	41.1%
$50k – $100k	31.0%	35.3%	32.2%
$100k – $200k	14.0%	13.6%	21.0%
Over $200k	0.8%	2.0%	5.7%

Under $10k 4.0%

$10k–$15k 6.8%

$15k–$25k 7.6%

$25k–$35k 6.7%

$35k–$50k 7.3%

$50k–$75k 35.5%

$75k–$100k 15.5%

$100k–$150k 11.6%

$150k–$200k 3.0%

$200k+ 2.1%

Range	% of households
Under $10k	4.0%
$10k–$15k	6.8%
$15k–$25k	7.6%
$25k–$35k	6.7%
$35k–$50k	7.3%
$50k–$75k	35.5%
$75k–$100k	15.5%
$100k–$150k	11.6%
$150k–$200k	3.0%
$200k+	2.1%
Median income	$54,120

Housing

Home values

Under $50k 23.3%

$50k–$100k 29.1%

$100k–$150k 23.9%

$150k–$200k 15.1%

$200k–$300k 4.0%

$300k–$500k 4.6%

Housing overview

Metric	Value
Median home value	$95,700
Median rent / month	$757
Owner occupied	78.9%
Renter occupied	21.1%
Vacant	18.2%
Single-family detached	90.1%
Large apartment buildings	3.0%
Mobile homes	4.5%
Median rooms	6.6
Avg household size (owned)	2.82

Year built

Era	%
2020 or later	0.0%
2010–2019	3.4%
2000–2009	5.3%
1990–1999	2.5%
1980–1989	3.2%
1970–1979	12.2%
1960–1969	8.6%
1950–1959	8.3%
1940–1949	11.3%
1939 or earlier	45.3%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	8.0%
2 bedrooms	30.6%
3 bedrooms	39.9%
4 bedrooms	19.2%
5+ bedrooms	2.2%

Vehicles per household

Vehicles	% of households
No vehicle	1.7%
1 vehicle	27.3%
2 vehicles	30.0%
3 or more	41.0%

Heating fuel

Fuel type	%
Utility gas	58.3%
Electricity	17.4%
Propane / LP gas	14.9%
Wood	9.0%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	318	50.4%
Cohabiting couple	34	5.4%
Male householder, no spouse	135	21.4%
Female householder, no spouse	144	22.8%
Households with children under 18	185	29.3%
Households with seniors (65+)	237	37.6%
Average household size	2.71

Marital status

Status	Male	Female
Never married	36.9%	21.3%
Married	45.0%	43.4%
Separated	0.5%	0.0%
Widowed	6.0%	19.9%
Divorced	11.6%	15.4%

Education

Less than 9th grade 3.7%

Some HS, no diploma 9.7%

HS graduate 38.1%

Some college, no degree 22.4%

Associate's degree 9.3%

Bachelor's degree 13.3%

Graduate / professional 3.5%

Metric	%
HS diploma or higher	86.7%
Bachelor's or higher	16.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	33	9.1%
Kindergarten	50	13.9%
Elementary school	128	35.5%
High school	89	24.7%
College / grad school	61	16.9%

Employment

Industry of employment

Education & healthcare 29.0%

Manufacturing 13.6%

Construction 12.2%

Retail trade 10.6%

Arts, food & hospitality 7.8%

Professional & management 7.3%

Transportation & utilities 6.1%

Agriculture & mining 6.0%

Other services 2.2%

Public administration 1.8%

Finance & real estate 1.3%

Wholesale trade 1.1%

Information 1.0%

Occupation

Category	%
Management, business & arts	27.5%
Service	21.6%
Sales & office	17.5%
Natural resources & construction	19.5%
Production & transportation	13.9%

Employment type

Type	%
Private sector	73.7%
Government	14.6%
Self-employed	11.2%
Unpaid family workers	0.5%

Commute

Method	%
Drive alone	81.4%
Carpool	9.3%
Public transit	0.0%
Walk	3.2%
Work from home	4.8%
Other means	1.4%
Avg commute (minutes)	26.3

Poverty

All people 10.8%

Under 18 years 2.5%

18 and over 13.0%

Married-couple families 0.0%

Female-led households 23.8%

Income support

Source	% of households
Social Security	38.2%
Retirement income	20.8%
Supplemental Security	3.5%
Cash public assistance	1.6%
Food stamps / SNAP	6.0%

Health indicators

Condition	%
Obesity	33.0%
High blood pressure	37.1%
High cholesterol	34.6%
Diabetes	11.5%
Heart disease	7.6%
Stroke	3.3%
Asthma	9.2%
Arthritis	27.7%
Kidney disease	3.1%
Pulmonary disease	7.0%
Cancer	8.1%

Behavior / access	%
Smoking	17.4%
Binge drinking	15.7%
No physical activity	24.0%
Less than 7 hrs sleep	30.6%
Depression	18.8%
Fair or poor health	13.9%
Poor mental health	12.8%
Poor physical health	10.3%
No health insurance	12.8%
Visited doctor (checkup)	74.4%
Visited dentist	64.5%
Cholesterol screening	90.8%
Teeth loss	13.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	110	7.5%

Disability	%
Any disability	17.5%
Under 18	8.8%
18–64 years	15.3%
65 and over	32.1%

Health insurance coverage

Type	%
Private insurance	65.9%
Public insurance	43.1%
No insurance	7.3%
Uninsured under 19	3.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,718	93.5%
Spanish	4	0.2%
Other Indo-European	4	0.2%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,829	99.5%
Born in same state	1,827	99.4%
Born in different state	1,394	75.8%
Foreign born	2	0.1%
Naturalized citizen	9	0.5%
Not a US citizen	3	33.3%

Ancestry

Ancestry	Count	%
Italian	301	16.4%
Arab	250	13.6%
French	159	8.7%

Ancestry	Count	%
English	56	3%
Polish	15	0.8%
Dutch	2	0.1%

Technology access

Metric	% of households
Computer access	34.3%
Internet access	91.4%

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

Frequently asked questions about ZIP code 66866

What city is ZIP code 66866 in?

ZIP code 66866 is primarily assigned to Peabody, Kansas.

What county is ZIP code 66866 in?

ZIP code 66866 falls within Marion County, Kansas.

Does ZIP code 66866 have a large retiree population?

38% of households in ZIP code 66866 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 66866?

The median home value in ZIP code 66866 is $95,700.

What is the population of ZIP code 66866?

ZIP code 66866 has an estimated population of 1,838 residents, with a density of 13 people per square mile.

What is the median household income in ZIP code 66866?

The median household income in ZIP code 66866 is $54,120, below the national median of ~$75,000.

What timezone is ZIP code 66866 in?

ZIP code 66866 observes the CST timezone.