66415 ZIP Code — Centralia, KS

Nemaha County, Kansas

ZIP code 66415 is located in Centralia, Kansas, within Nemaha County. It covers approximately 91.57 square miles and serves a population of 695 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 785.

About ZIP code 66415

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 $66,900. Owner-occupancy is high at 84%, well above the national average.

Median household income is $63,889. 47% 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 18 minutes is near the national average.

Educational attainment is near the national average, with 29% of residents holding a bachelor's degree or higher.

Overall, ZIP code 66415 reflects a community defined by high homeownership and a significant Social Security-dependent population.

695

population

91.57

sq mi land

Standard

ZIP type

Central (CT)

timezone

66415 ZIP code map

Cities in ZIP code 66415

Below are the cities the US Postal Service accepts for ZIP code 66415. Using any city not on this list may result in mail delivery delays.

City	Status
Centralia	Preferred

Nearby ZIP codes

66404 Baileyville (10.5 mi) 66403 Axtell (11.8 mi) 66538 Seneca (12.7 mi) 66428 Goff (13.4 mi) 66427 Frankfort (14.8 mi) 66541 Summerfield (17.8 mi) 66406 Beattie (17.9 mi) 66550 Wetmore (18.9 mi) 66408 Bern (19.1 mi) 66438 Home (19.4 mi)

Demographics updated 05/2026

Population
Total population	695
Population density	8 / sq mi
State FIPS	20
County FIPS	131

Geography
Land area	91.57 sq mi
Water area	0.73 sq mi
Latitude	39.7402
Longitude	-96.1830
Timezone	Central (CT)
Area code	785

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	34.0%	42.4%	41.1%
$50k – $100k	37.6%	32.1%	32.2%
$100k – $200k	26.6%	22.1%	21.0%
Over $200k	1.8%	3.4%	5.7%

Demographics & statistics

695

Population

People per sq mi

49.7

Median age

$63,889

Median household income

$32,794

Per capita income

$66,900

Median home value

$870

Median monthly rent

83.9%

Home ownership

12.2%

Poverty rate

3.1%

Unemployment

276

Housing units

29.1%

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	148	21.3%
18 and over	547	78.7%
65 and over	245	35.3%
Median age	49.7 years

Race & ethnicity

White 95.4%

Two or more races 2.6%

American Indian / Alaska Native 1%

Hispanic or Latino 0.7%

Black or African American 0.3%

Group	Count	%
White	668	95.4%
Two or more races	18	2.6%
American Indian / Alaska Native	7	1%
Hispanic or Latino	5	0.7%
Black or African American	2	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	34.0%	42.4%	41.1%
$50k – $100k	37.6%	32.1%	32.2%
$100k – $200k	26.6%	22.1%	21.0%
Over $200k	1.8%	3.4%	5.7%

Under $10k 1.7%

$10k–$15k 15.4%

$15k–$25k 3.8%

$25k–$35k 12.2%

$35k–$50k 12.6%

$50k–$75k 19.6%

$75k–$100k 12.6%

$100k–$150k 16.8%

$150k–$200k 4.2%

$200k+ 1.0%

Range	% of households
Under $10k	1.7%
$10k–$15k	15.4%
$15k–$25k	3.8%
$25k–$35k	12.2%
$35k–$50k	12.6%
$50k–$75k	19.6%
$75k–$100k	12.6%
$100k–$150k	16.8%
$150k–$200k	4.2%
$200k+	1.0%
Median income	$63,889

Housing

Home values

Under $50k 26.7%

$50k–$100k 35.8%

$100k–$150k 10.4%

$150k–$200k 6.3%

$200k–$300k 14.2%

$300k–$500k 6.7%

Housing overview

Metric	Value
Median home value	$66,900
Median rent / month	$870
Owner occupied	83.9%
Renter occupied	16.1%
Vacant	11.2%
Single-family detached	88.2%
Large apartment buildings	0.0%
Mobile homes	5.0%
Median rooms	5.7
Avg household size (owned)	2.46

Year built

Era	%
2020 or later	1.6%
2010–2019	0.6%
2000–2009	12.7%
1990–1999	9.0%
1980–1989	11.8%
1970–1979	9.0%
1960–1969	4.3%
1950–1959	9.6%
1940–1949	17.1%
1939 or earlier	24.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	6.5%
2 bedrooms	26.7%
3 bedrooms	40.7%
4 bedrooms	23.0%
5+ bedrooms	3.1%

Vehicles per household

Vehicles	% of households
No vehicle	3.1%
1 vehicle	28.0%
2 vehicles	31.1%
3 or more	37.8%

Heating fuel

Fuel type	%
Utility gas	53.8%
Electricity	7.7%
Propane / LP gas	22.4%
Wood	14.7%

Households & families

Household type	Count	%
Married-couple family	189	66.1%
Cohabiting couple	8	2.8%
Male householder, no spouse	43	15.0%
Female householder, no spouse	46	16.1%
Households with children under 18	74	25.9%
Households with seniors (65+)	135	47.2%
Average household size	2.31

Marital status

Status	Male	Female
Never married	17.9%	10.1%
Married	74.7%	64.6%
Separated	0.7%	0.0%
Widowed	0.7%	15.9%
Divorced	6.0%	9.4%

Education

Less than 9th grade 11.8%

Some HS, no diploma 2.4%

HS graduate 34.2%

Some college, no degree 11.0%

Associate's degree 11.6%

Bachelor's degree 18.5%

Graduate / professional 10.6%

Metric	%
HS diploma or higher	85.9%
Bachelor's or higher	29.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	31	20.9%
Kindergarten	11	7.4%
Elementary school	59	39.9%
High school	21	14.2%
College / grad school	26	17.6%

Employment

Industry of employment

Education & healthcare 37.1%

Manufacturing 11.0%

Agriculture & mining 8.8%

Wholesale trade 8.8%

Construction 8.5%

Retail trade 7.1%

Transportation & utilities 6.0%

Public administration 4.6%

Other services 3.9%

Arts, food & hospitality 2.5%

Professional & management 1.4%

Finance & real estate 0.4%

Occupation

Category	%
Management, business & arts	34.3%
Service	20.8%
Sales & office	16.6%
Natural resources & construction	12.0%
Production & transportation	16.3%

Employment type

Type	%
Private sector	78.4%
Government	15.5%
Self-employed	6.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	87.2%
Carpool	3.9%
Public transit	0.0%
Walk	3.6%
Work from home	4.3%
Other means	1.1%
Avg commute (minutes)	18.1

Poverty

All people 12.2%

Under 18 years 2.7%

18 and over 15.0%

Married-couple families 20.6%

Female-led households 0.0%

Income support

Source	% of households
Social Security	46.5%
Retirement income	23.8%
Supplemental Security	0.7%
Cash public assistance	1.0%
Food stamps / SNAP	10.1%

Health indicators

Condition	%
Obesity	34.9%
High blood pressure	35.1%
High cholesterol	36.1%
Diabetes	10.2%
Heart disease	7.2%
Stroke	3.2%
Asthma	8.7%
Arthritis	25.9%
Kidney disease	3.0%
Pulmonary disease	6.6%
Cancer	7.9%

Behavior / access	%
Smoking	16.4%
Binge drinking	17.2%
No physical activity	22.2%
Less than 7 hrs sleep	31.8%
Depression	17.7%
Fair or poor health	12.8%
Poor mental health	12.6%
Poor physical health	9.6%
No health insurance	12.7%
Visited doctor (checkup)	73.9%
Visited dentist	68.8%
Cholesterol screening	89.9%
Teeth loss	12.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	27	4.9%

Disability	%
Any disability	18.9%
Under 18	0.7%
18–64 years	10.3%
65 and over	43.5%

Health insurance coverage

Type	%
Private insurance	73.7%
Public insurance	42.6%
No insurance	4.4%
Uninsured under 19	10.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	641	92.2%
Spanish	11	1.7%
Other Indo-European	0	0.0%
Asian & Pacific Islander	11	1.7%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	688	99.0%
Born in same state	688	99.0%
Born in different state	514	74.0%
Foreign born	0	0.0%
Naturalized citizen	7	1.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	66	9.5%
Arab	61	8.8%
French	33	4.7%
Dutch	18	2.6%

Ancestry	Count	%
English	7	1%
Irish	2	0.3%
Polish	2	0.3%

Technology access

Metric	% of households
Computer access	41.2%
Internet access	78.0%

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

Frequently asked questions about ZIP code 66415

What city is ZIP code 66415 in?

ZIP code 66415 is primarily assigned to Centralia, Kansas.

What county is ZIP code 66415 in?

ZIP code 66415 falls within Nemaha County, Kansas.

Does ZIP code 66415 have an older population?

35% of residents in ZIP code 66415 are 65 or older, above the national average of ~17%.

Does ZIP code 66415 have a large retiree population?

47% of households in ZIP code 66415 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 66415 mostly owner-occupied?

84% of occupied units in ZIP code 66415 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 66415?

The median home value in ZIP code 66415 is $66,900.

What timezone is ZIP code 66415 in?

ZIP code 66415 observes the CST timezone.