Eureka is a city mainly in St. Louis County, with a small portion in Jefferson County, Missouri, adjacent to Wildwood and Pacific. It is in the extreme southwest of the Greater St. Louis metro area. As of the 2020 census, the city had a population of 11,646. Since 1971, Eureka has been known as the home of the amusement park Mid America Adventure (formerly known as Six Flags St. Louis).

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

How Eureka ranks

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#24Most active in MO #24Fewest uninsured in MO #25Highest income in MO All MO rankings →

Town numbers

ZIP code63025

Area codeSign in to add

Living in Eureka

Housing in Eureka

$412K▲ 2% in a year Typical home value · Zillow

The typical Eureka home is worth about $412,000, up 2% in a year, 54% above the Missouri typical home.

A strong seller's market

Buyer’sBalancedSeller’s

Days on market26

Sale-to-list99.4%

Sold in May25

Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in Eureka

B⁺

Safety Grade B+

Eureka reports less crime per resident than 72% of the U.S. towns and cities we grade.

Violent crime per 1,000

Eureka 1

Missouri 4.3

U.S. 3.3

Property crime per 1,000

Eureka 6.9

Missouri 16.9

U.S. 15.5

FBI crime data, 2025 · crimes reported to policeCrime & safety →

Health in Eureka

A⁻

Health Grade A−

Healthier than 83% of U.S. towns on seven CDC estimates.

Compared with Missouri

19better than MO·1worse

of 32 measures CDC estimates. The other 12 are too close to call.

Conditions 7▲ 5 close Habits 3▲ 1▼ 0 close Care 3▲ 4 close Mind 2▲ 3 close Everyday needs 4▲ 0 close

BetterToo close to callWorse

What stands out

8.9%Fewer older adults who have lost all their teethMO 15.8% · better 7.9%Fewer adults facing food insecurityMO 13.7% · better 18.9%More binge drinkersMO 16.3% · worse

Care nearby

Ssm St. Clare Health CenterFenton · 9.5 mi · ER

Compass HealthHigh Ridge · 6.6 mi · sliding-scale fees

Primary careShortage · county-wide

DentalNo shortage

Mental healthNo shortage

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Eureka · CMS · HRSAHealth in Eureka →

Natural hazards in Eureka

High

Expected storm and flood damage is higher than in 76% of U.S. communities.

🌊 Inland flooding🌡️ Heat waves🏚️ Earthquakes

413Does Eureka flood?paid flood claims since 1979 9Disasters that paid out herefederal disasters sent FEMA money to Eureka MapEureka vs. its neighborsnearby towns shaded by rating

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Eureka →

Schools in Eureka

All Eureka schools →

School Grade A

The public schools Eureka’s kids attend, from kindergarten through graduation, outperform 92% of Missouri’s districts on state tests and graduation. Among towns with similar incomes, they rank near the top.

#55Best public schoolsof 226 in MO

DistrictROCKWOOD R-VISchools6

Geggie Elem. A-Elementary · Grades K–5 · 622 students Eureka Elem. A-Elementary · Grades K–5 · 519 students Blevins Elem. B+Elementary · Grades K–5 · 376 students Most Sacred Heart SchoolElementary · Grades PK–8 · 213 students St. Mark's Lutheran SchoolElementary · Grades PK–8 · 124 students Eureka SR. High A-High · Grades 9–12 · 1,586 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within MO. Ratings are from neighbors.