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Eureka

A city of 13,081 people in Missouri
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Around town

The places and views that make it Eureka

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Outdoors in Eureka

Parks & trails →
Map of Eureka: conserved land, trails and the top places to walk
Conserved land2.2%161 of 7,202 acres
Trails10 mi0.9 mi per sq mi
Parks & preserves1312 conserved acres per 1,000 residents

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

L and L Motel (NBY 425362)1966
From Eureka’s story

L and L Motel (NBY 425362), 1966

Photo · Wikimedia Commons

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Know Eureka

The town at a glance, and the guide to how things work

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About Eureka

City in Missouri, US
11,646Population
10.8 sq miArea
456 ftElevation

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)

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.

BetterToo close to callWorse

What stands out

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

76
High

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

🌊 Inland flooding🌡️ Heat waves🏚️ Earthquakes
FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Eureka →

Schools in Eureka

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A

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

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.

Eureka’s library

Library details →
Eureka Hills Branch500 Workman Rd · part of Saint Louis County Library
Fine-freeE-books64 hrs a week
IMLS Public Libraries Survey · FY2024Eureka Hills Branch →

Famous people from Eureka

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Where Eureka is

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Locator map of Eureka
Wikimedia Commons · Map: Arkyan · CC BY-SA 3.0

Location map

How things work in Eureka

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01