Eureka ZIP Code List — Greenwood County, KS

There is one unique ZIP code in Eureka, Kansas and it is 67045. Area code: 620.

ZIP codes

447.92

sq mi land

2.76

sq mi water

620

area code

Eureka, KS ZIP code map

About Eureka, KS

Eureka, Kansas, is a charming city located in Greenwood County, known for its rich history and vibrant community. As a small city, Eureka offers a close-knit atmosphere along with the conveniences of urban living. With its unique blend of historical charm and modern amenities, Eureka is a great place to explore and enjoy life in the heart of Kansas.

Location & geography

Eureka is situated in the southeastern part of Kansas, approximately 21 miles southwest of the city of Emporia. The city's land area spans 447.92 square miles, while its water area covers 2.76 square miles. The terrain consists of rolling hills and agricultural fields, making it a picturesque spot for outdoor activities.

Community & economy

The character of Eureka is defined by its friendly residents and active community organizations, which foster a strong sense of belonging. The local economy is supported by various industries, including agriculture and manufacturing, providing ample employment opportunities to its residents. Daily life in Eureka features community events and gatherings that highlight its cultural heritage and foster engagement among neighbors.

Transportation

Eureka is accessible via U.S. Highway 54, which provides important connectivity to surrounding areas. The nearest major airport is Wichita Dwight D. Eisenhower National Airport, located about 60 miles to the west, facilitating air travel for residents. Public transit options are limited, making personal vehicles the primary mode of transportation.

History

Founded in the late 19th century, Eureka has deep roots in Kansas history, particularly as a melting pot of agricultural and trade activities. Key industries, including agriculture and manufacturing, have remained central to the city's economy, contributing to its growth and resilience. Notable events in Eureka's history include the establishment of local fairs and festivals that celebrate the city's heritage.

Did you know?

One surprising fact about Eureka is that it is home to the historic Greenwood County Courthouse, which is a notable architectural landmark in the area. Additionally, the city has a vibrant arts scene, featuring local artists and events that showcase their work.

ZIP codes for Eureka, KS (1)

ZIP code	City	County	Map
67045	Eureka	Greenwood	View map

Demographics & statistics

3,052

Population

44.2

Median age

$46,991

Median household income

$28,638

Per capita income

$73,600

Median home value

$670

Median monthly rent

76.3%

Home ownership

21.9%

Poverty rate

3.3%

Unemployment

1,428

Housing units

13.6%

Bachelor's or higher

Age distribution

Male Female

102

Under 5

112

5–9

108

104

10–14

101

15–19

20–24

151

25–34

146

211

35–44

203

160

45–54

154

55–59

136

60–64

132

220

65–74

212

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	759	24.9%
18 and over	2,293	75.1%
65 and over	710	23.3%
Median age	44.2 years

Race & ethnicity

White 90.6%

Two or more races 4%

American Indian / Alaska Native 1.8%

Hispanic or Latino 1.2%

Other race 0.9%

Black or African American 0.8%

Asian 0.6%

Group	Count	%
White	2,799	90.6%
Two or more races	124	4%
American Indian / Alaska Native	57	1.8%
Hispanic or Latino	37	1.2%
Other race	27	0.9%
Black or African American	25	0.8%
Asian	20	0.6%

Household income

Under $10k 5.4%

$10k–$15k 10.0%

$15k–$25k 9.8%

$25k–$35k 12.4%

$35k–$50k 14.3%

$50k–$75k 16.3%

$75k–$100k 10.8%

$100k–$150k 12.3%

$150k–$200k 6.4%

$200k+ 2.2%

Range	% of households
Under $10k	5.4%
$10k–$15k	10.0%
$15k–$25k	9.8%
$25k–$35k	12.4%
$35k–$50k	14.3%
$50k–$75k	16.3%
$75k–$100k	10.8%
$100k–$150k	12.3%
$150k–$200k	6.4%
$200k+	2.2%
Median income	$46,991

Housing

Home values

Under $50k 38.7%

$50k–$100k 18.8%

$100k–$150k 15.0%

$150k–$200k 7.0%

$200k–$300k 9.3%

$300k–$500k 6.7%

$500k–$1M 3.5%

$1M+ 0.9%

Housing overview

Metric	Value
Median home value	$73,600
Median rent / month	$670
Owner occupied	76.3%
Renter occupied	23.7%
Vacant	27.7%
Single-family detached	84.9%
Large apartment buildings	0.0%
Mobile homes	8.5%
Median rooms	6.1
Avg household size (owned)	2.32

Year built

Era	%
2020 or later	0.5%
2010–2019	4.6%
2000–2009	4.1%
1990–1999	5.0%
1980–1989	11.4%
1970–1979	11.5%
1960–1969	11.3%
1950–1959	17.1%
1940–1949	8.9%
1939 or earlier	25.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	6.3%
2 bedrooms	25.6%
3 bedrooms	46.0%
4 bedrooms	16.3%
5+ bedrooms	5.7%

Vehicles per household

Vehicles	% of households
No vehicle	6.7%
1 vehicle	26.6%
2 vehicles	29.1%
3 or more	37.5%

Heating fuel

Fuel type	%
Utility gas	57.7%
Electricity	22.2%
Propane / LP gas	13.2%
Fuel oil	0.5%
Wood	4.7%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	514	41.2%
Cohabiting couple	112	9.0%
Male householder, no spouse	262	21.0%
Female householder, no spouse	359	28.8%
Households with children under 18	419	33.6%
Households with seniors (65+)	451	36.2%
Average household size	2.38

Marital status

Status	Male	Female
Never married	28.1%	17.8%
Married	48.1%	47.4%
Separated	3.5%	1.0%
Widowed	4.5%	14.5%
Divorced	15.7%	19.3%

Education

Less than 9th grade 2.5%

Some HS, no diploma 5.7%

HS graduate 34.6%

Some college, no degree 33.7%

Associate's degree 9.9%

Bachelor's degree 9.8%

Graduate / professional 3.8%

Metric	%
HS diploma or higher	91.8%
Bachelor's or higher	13.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	43	7.2%
Kindergarten	45	7.6%
Elementary school	305	51.3%
High school	158	26.6%
College / grad school	44	7.4%

Employment

Industry of employment

Education & healthcare 27.3%

Agriculture & mining 12.5%

Transportation & utilities 9.7%

Construction 8.6%

Manufacturing 7.5%

Public administration 7.0%

Finance & real estate 5.9%

Wholesale trade 5.3%

Retail trade 5.2%

Arts, food & hospitality 5.0%

Professional & management 3.0%

Other services 2.6%

Information 0.3%

Occupation

Category	%
Management, business & arts	23.3%
Service	24.0%
Sales & office	17.7%
Natural resources & construction	17.5%
Production & transportation	17.5%

Employment type

Type	%
Private sector	71.6%
Government	22.3%
Self-employed	5.4%
Unpaid family workers	0.7%

Commute

Method	%
Drive alone	78.4%
Carpool	8.0%
Public transit	0.4%
Walk	2.2%
Other means	4.5%
Avg commute (minutes)	22.8

Poverty

All people 21.9%

Under 18 years 28.3%

18 and over 19.8%

Married-couple families 4.7%

Female-led households 65.0%

Income support

Source	% of households
Social Security	39.9%
Retirement income	24.3%
Supplemental Security	6.4%
Cash public assistance	4.9%
Food stamps / SNAP	19.6%

Health indicators

Condition	%
High blood pressure	40.9%
High cholesterol	37.5%
Heart disease	9.5%
Stroke	4.4%
Asthma	10.1%
Arthritis	31.5%
Kidney disease	4.0%
Pulmonary disease	9.8%
Cancer	8.4%

Behavior / access	%
Binge drinking	15.3%
No physical activity	29.1%
Less than 7 hrs sleep	32.6%
Fair or poor health	18.7%
Poor mental health	14.3%
Poor physical health	13.1%
No health insurance	15.6%
Visited doctor (checkup)	75.4%
Visited dentist	59.2%
Cholesterol screening	88.6%
Teeth loss	18.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	247	10.8%

Disability	%
Any disability	18.2%
Under 18	6.5%
18–64 years	19.0%
65 and over	29.9%

Health insurance coverage

Type	%
Private insurance	63.8%
Public insurance	45.5%
Uninsured under 19	11.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,851	93.4%
Spanish	12	0.4%
Other Indo-European	1	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	11	0.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,031	99.3%
Born in same state	3,010	98.6%
Born in different state	2,418	79.2%
Foreign born	21	0.7%
Naturalized citizen	21	0.7%
Not a US citizen	5	23.8%

Ancestry

Ancestry	Count	%
French	454	14.9%
Italian	393	12.9%
Arab	367	12%

Ancestry	Count	%
Polish	98	3.2%
English	66	2.2%
German	4	0.1%

Technology access

Metric	% of households
Computer access	40.9%
Internet access	89.7%

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

Frequently asked questions

What is the ZIP code for Eureka, KS?

Eureka, KS has one ZIP code: 67045.

What is the main ZIP code for Eureka, KS?

The primary ZIP code for Eureka, KS is 67045. The city uses area code 620 for phone service.

What county is Eureka, KS in?

Eureka is located in Greenwood County, Kansas.

How many ZIP codes are in Eureka, KS?

Eureka, KS has 1 ZIP code.

What ZIP code should I use when mailing something to the Eureka City Hall or downtown Eureka area?

Downtown Eureka, including City Hall, uses the ZIP code 67045, which covers the central business district of this Greenwood County seat.

What is the ZIP code for the Eureka High School and surrounding residential neighborhoods in Eureka, Kansas?

Eureka High School and the residential areas throughout Eureka are located in ZIP code 67045, the only ZIP code serving the city.