Eureka ZIP Code List — Saint Louis County, MO

There is one unique ZIP code in Eureka, Missouri and it is 63025. Area code: 636.

ZIP codes

41.69

sq mi land

1.17

sq mi water

636

area code

Eureka, MO ZIP code map

About Eureka, MO

Eureka, Missouri, is a vibrant city located in Saint Louis County. Known for its stunning natural landscapes and family-friendly attractions, it offers a unique blend of suburban living and outdoor adventure. The city's close proximity to St. Louis makes it an ideal location for those working in the metropolitan area while enjoying a quieter lifestyle.

Location & geography

Situated in the eastern part of the state, Eureka is approximately 30 miles southwest of downtown St. Louis. The city is bordered by several communities, including Ballwin to the north, and Pacific to the southwest, enhancing its accessibility and charm. Covering a land area of 41.69 square miles and a water area of 1.17 square miles, the city's terrain features lush parks and scenic river views.

Community & economy

Eureka embodies a small-town feel with a strong sense of community, making it a great place for families and individuals alike. The local economy is bolstered by retail, service industries, and tourism, with attractions like Six Flags St. Louis drawing visitors annually. Daily life in Eureka is enriched by local events, parks, and recreational facilities that cater to residents of all ages.

Transportation

Eureka is conveniently located near Interstate 44, which provides easy access to surrounding areas and other major highways. The nearest major airport is the Lambert-St. Louis International Airport, situated about 35 miles to the north. Public transit options may be limited, but residents often rely on personal vehicles for commuting.

History

Eureka was established in the 1800s, originally developed as a railroad town, which was a critical factor in its growth. Over the years, the area has transitioned from a primarily agricultural community to one that supports varied industries and tourism. Major events such as the founding of local parks and the establishment of entertainment venues have played a vital role in shaping the city.

Did you know?

A surprising aspect of Eureka is that it is home to the well-known Six Flags St. Louis amusement park, which attracts visitors from all over the region. Additionally, Eureka hosts a unique blend of outdoor recreation and cultural events, showcasing its commitment to community engagement.

ZIP codes for Eureka, MO (1)

ZIP code	City	County	Map
63025	Eureka	Saint Louis	View map

Demographics & statistics

17,708

Population

39.5

Median age

$127,689

Median household income

$50,647

Per capita income

$339,600

Median home value

$1,207

Median monthly rent

84.7%

Home ownership

4.2%

Poverty rate

4.0%

Unemployment

5,562

Housing units

49.7%

Bachelor's or higher

Age distribution

Male Female

712

Under 5

683

861

5–9

828

646

10–14

620

490

15–19

470

281

20–24

270

873

25–34

839

1,504

35–44

1,444

1,151

45–54

1,106

743

55–59

714

547

60–64

526

777

65–74

746

302

75–84

291

145

85+

139

← Male

Female →

Age summary

Group	Count	%
Under 18	5,062	28.6%
18 and over	12,646	71.4%
65 and over	2,400	13.6%
Median age	39.5 years

Race & ethnicity

White 83.9%

Two or more races 6.4%

Hispanic or Latino 5.9%

Asian 1.9%

Other race 1.7%

Black or African American 0.3%

Group	Count	%
White	15,784	83.9%
Two or more races	1,199	6.4%
Hispanic or Latino	1,105	5.9%
Asian	358	1.9%
Other race	311	1.7%
Black or African American	55	0.3%

Household income

Under $10k 2.9%

$10k–$15k 1.3%

$15k–$25k 1.2%

$25k–$35k 3.4%

$35k–$50k 7.8%

$50k–$75k 9.8%

$75k–$100k 10.8%

$100k–$150k 30.4%

$150k–$200k 12.0%

$200k+ 20.3%

Range	% of households
Under $10k	2.9%
$10k–$15k	1.3%
$15k–$25k	1.2%
$25k–$35k	3.4%
$35k–$50k	7.8%
$50k–$75k	9.8%
$75k–$100k	10.8%
$100k–$150k	30.4%
$150k–$200k	12.0%
$200k+	20.3%
Median income	$127,689

Housing

Home values

Under $50k 1.4%

$50k–$100k 1.1%

$100k–$150k 6.8%

$150k–$200k 9.2%

$200k–$300k 19.6%

$300k–$500k 52.1%

$500k–$1M 9.3%

$1M+ 0.4%

Housing overview

Metric	Value
Median home value	$339,600
Median rent / month	$1,207
Owner occupied	84.7%
Renter occupied	15.3%
Vacant	3.7%
Single-family detached	86.3%
Large apartment buildings	4.4%
Mobile homes	1.2%
Median rooms	6.9
Avg household size (owned)	2.91

Year built

Era	%
2020 or later	2.0%
2010–2019	13.0%
2000–2009	24.3%
1990–1999	23.9%
1980–1989	13.2%
1970–1979	9.6%
1960–1969	5.2%
1950–1959	4.7%
1940–1949	1.4%
1939 or earlier	2.7%

Bedrooms

Size	% of units
No bedroom (studio)	1.2%
1 bedroom	1.9%
2 bedrooms	16.7%
3 bedrooms	38.5%
4 bedrooms	33.8%
5+ bedrooms	8.0%

Vehicles per household

Vehicles	% of households
No vehicle	5.2%
1 vehicle	14.2%
2 vehicles	51.4%
3 or more	29.2%

Heating fuel

Fuel type	%
Utility gas	52.2%
Electricity	41.4%
Propane / LP gas	3.6%
Wood	1.7%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	4,279	68.2%
Cohabiting couple	385	6.1%
Male householder, no spouse	825	13.1%
Female householder, no spouse	788	12.6%
Households with children under 18	2,632	41.9%
Households with seniors (65+)	1,569	25.0%
Average household size	2.78

Marital status

Status	Male	Female
Never married	21.7%	18.2%
Married	66.4%	63.7%
Separated	1.4%	0.4%
Widowed	1.1%	8.2%
Divorced	9.3%	9.5%

Education

Less than 9th grade 0.4%

Some HS, no diploma 2.8%

HS graduate 20.0%

Some college, no degree 19.6%

Associate's degree 7.6%

Bachelor's degree 32.4%

Graduate / professional 17.3%

Metric	%
HS diploma or higher	96.8%
Bachelor's or higher	49.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	545	11.0%
Kindergarten	452	9.1%
Elementary school	2,211	44.5%
High school	787	15.8%
College / grad school	975	19.6%

Employment

Industry of employment

Education & healthcare 22.5%

Professional & management 15.4%

Manufacturing 15.1%

Retail trade 8.9%

Finance & real estate 7.6%

Transportation & utilities 7.1%

Construction 6.7%

Arts, food & hospitality 5.4%

Information 3.9%

Other services 3.0%

Wholesale trade 2.2%

Public administration 2.1%

Agriculture & mining 0.2%

Occupation

Category	%
Management, business & arts	57.8%
Service	6.3%
Sales & office	20.4%
Natural resources & construction	8.3%
Production & transportation	7.2%

Employment type

Type	%
Private sector	82.4%
Government	12.7%
Self-employed	4.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	75.4%
Carpool	5.5%
Public transit	0.1%
Walk	0.3%
Other means	0.2%
Avg commute (minutes)	28.9

Poverty

All people 4.2%

Under 18 years 4.8%

18 and over 4.0%

Married-couple families 1.1%

Female-led households 14.4%

Income support

Source	% of households
Social Security	24.2%
Retirement income	20.9%
Supplemental Security	2.2%
Cash public assistance	0.5%
Food stamps / SNAP	3.6%

Health indicators

Condition	%
High blood pressure	26.3%
High cholesterol	31.5%
Heart disease	5.0%
Stroke	2.1%
Asthma	8.7%
Arthritis	23.1%
Kidney disease	2.2%
Pulmonary disease	5.4%
Cancer	6.4%

Behavior / access	%
Binge drinking	20.4%
No physical activity	18.5%
Less than 7 hrs sleep	29.6%
Fair or poor health	10.5%
Poor mental health	13.5%
Poor physical health	8.4%
No health insurance	11.1%
Visited doctor (checkup)	73.7%
Visited dentist	71.5%
Cholesterol screening	90.9%
Teeth loss	8.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	684	5.4%

Disability	%
Any disability	9.4%
Under 18	2.9%
18–64 years	9.2%
65 and over	25.7%

Health insurance coverage

Type	%
Private insurance	86.4%
Public insurance	20.3%
Uninsured under 19	0.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	16,313	92.1%
Spanish	92	0.6%
Other Indo-European	30	0.2%
Asian & Pacific Islander	0	0.0%
Other languages	62	0.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	17,039	96.2%
Born in same state	16,991	96.0%
Born in different state	11,764	66.4%
Foreign born	48	0.3%
Naturalized citizen	669	3.8%
Not a US citizen	499	74.6%

Ancestry

Ancestry	Count	%
Italian	2,458	13.9%
French	1,758	9.9%
Arab	1,011	5.7%
English	374	2.1%

Ancestry	Count	%
Polish	308	1.7%
Norwegian	84	0.5%
Dutch	46	0.3%
Irish	15	0.1%

Technology access

Metric	% of households
Computer access	35.4%
Internet access	94.4%

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

Frequently asked questions

What is the ZIP code for Eureka, MO?

Eureka, MO has one ZIP code: 63025.

What is the main ZIP code for Eureka, MO?

The primary ZIP code for Eureka, MO is 63025. The city uses area code 636 for phone service.

What county is Eureka, MO in?

Eureka is located in Saint Louis County, Missouri.

How many ZIP codes are in Eureka, MO?

Eureka, MO has 1 ZIP code.

What ZIP code should I use when mailing something to a business in downtown Eureka near the historic Eureka Springs Park area?

Downtown Eureka and the Eureka Springs Park area are located in ZIP code 63025, which covers the central business district and historic landmarks of the city.

What is the ZIP code for the Eureka area near Interstate 44 and the major shopping districts?

The commercial areas of Eureka near I-44 and local shopping centers are served by ZIP code 63025, which encompasses most of the city's retail and business corridor.