HomeMissouriSt. Louis CountyEureka
Eureka, Missouri: commercial real estate data.
Eureka is a Census city of 13,081 people across 11.16 square miles of land, lying across St. Louis County and Jefferson County. Median household income is $108,394, 79.3 percent of occupied homes are owned, and the SBA record carries 18 7(a) approvals to borrowers here worth $9.4 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Eureka
What Eureka is
- Census place typecity
- Land area11.16 sq mi
- Water area0.17 sq mi
- Population per square mile of land1,172
- County holding the largest share of its areaSt. Louis County, 95.6 percent
- Counties this place lies inSt. Louis County 95.6 percent, Jefferson County 4.4 percent
Eureka crosses a county line. The split above is measured from the Census boundary of the place against the county boundaries, by area, so it says where the ground is and not where the town hall is.
US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Eureka
How many people live in Eureka
- Population13,081
- Median age37.5
- Population under 183,968
- Share under 1830.3 percent
- Population 65 and over1,766 plus or minus 354
- Share 65 and over13.5 percent
- Households4,690
- Family households3,167
- Share of households that are families67.5 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Eureka
Income and work in Eureka
- Median household income$108,394
- Per capita income$49,181
- Civilian labor force6,445
- Employed6,226
- Unemployed219 plus or minus 121
- Unemployment rate3.4 percent plus or minus 1.9
- Adults 25 and over8,464
- Adults 25 and over with a high school diploma or higher96.6 percent
- Adults 25 and over with a bachelor degree or higher52.5 percent
- Adults 25 and over with a graduate degree22.3 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Eureka
Housing in Eureka
- Housing units4,805
- Occupied units4,690
- Vacant units115 plus or minus 107
- Vacancy rate2.4 percent plus or minus 2.2
- Owner occupied3,721
- Renter occupied969 plus or minus 243
- Ownership rate79.3 percent
- Median owner-occupied home value$379,200
- Median gross rent, monthly$1,252 plus or minus $339
- Annual rent as a share of median income13.9 percent plus or minus 3.8
- Single family units4,135
- Share single family86.1 percent
- Units in buildings of two or more670 plus or minus 228
- Share in buildings of two or more13.9 percent plus or minus 4.6
- Mobile homes0
- Median year structure built1999
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Eureka
How Eureka gets to work
- Workers 16 and over who commute5,074
- Commuting under 15 minutes855 plus or minus 237
- Share commuting under 15 minutes16.9 percent plus or minus 4.3
- Commuting 30 minutes or more2,557 plus or minus 580
- Share commuting 30 minutes or more50.4 percent plus or minus 10.1
- Drove alone74.3 percent
- Carpooled7.3 percent plus or minus 3.0
- Public transport0.0 percent
- Walked0.0 percent
- Worked from home17.9 percent plus or minus 4.2
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Eureka
SBA loans in Eureka (7(a))
- Approvals18
- Gross approval$9,375,500
- Average approval$520,861
- Median approval$212,500
- Largest approval$3,800,000
- Jobs supported185
- Jobs per approval10.3
- Loans with a final outcome5
- Paid in full5
- Charged off0
- Median term120 months
- Share on real estate terms of 20 years or more11.1 percent
- Share to franchises11.1 percent
- Distinct lenders14
- Distinct industries by NAICS17
Counted by borrower city: approvals to borrowers whose address is in Eureka, in any county, FY2020 to FY2026. Only 5 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Eureka
SBA loans in Eureka (504)
- Approvals7
- Gross approval$3,867,000
- Average approval$552,429
- Median approval$269,000
- Largest approval$1,478,000
- Jobs supported102
- Loans with a final outcome2
- Charged off0
- Median term240 months
- Distinct CDCs4
Counted by borrower city: approvals to borrowers whose address is in Eureka, in any county, FY2010 to FY2026. Only 2 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
Eureka
Flood risk in Eureka
- NFIP communityCity of Eureka
- NFIP community number290349
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date02/04/15
The City of Eureka participates in the National Flood Insurance Program as community 290349 and carries no Community Rating System class, so no CRS premium discount applies to it.
Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26.
St. Louis County, not Eureka
St. Louis County context, not Eureka figures
- Establishments in St. Louis County29,717
- Covered employment, St. Louis County596,676
- Average annual pay, St. Louis County$75,926
- Housing units permitted, St. Louis County1,193
Every figure in this section is published for St. Louis County as a whole and is not a measurement of Eureka.
All St. Louis County figures →
US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages. US Census Bureau, Building Permits Survey, 2024 annual.
Coverage
What this page does not hold.
Parcel detail, zoning and the flood zone at an address are not on this page; they resolve at the address in the platform. How this page was built →
Common questions
Eureka questions, answered from the record.
How many people live in Eureka, Missouri?
13,081, in 4,690 households. Eureka city covers 11.16 square miles of land, which is 1,172 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Eureka in?
Eureka lies in more than one. By area it is 95.6 percent in St. Louis County, 4.4 percent in Jefferson County. This page sits under St. Louis County because that county holds the largest share. The split is measured from the Census boundary of the place against the county boundaries.
What is the median household income in Eureka?
$108,394. The median owner-occupied home is valued at $379,200. Median gross rent is $1,252 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Eureka businesses?
18 7(a) approvals totaling $9.4 m since FY2020, across 14 lenders, median approval $212,500, plus 7 504 approvals worth $3.9 m since FY2010. These count approvals to borrowers whose address is in Eureka, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Eureka borrowers get paid back?
No rate is published for Eureka. Only 5 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published. The counts are shown instead.
Is Eureka in the National Flood Insurance Program?
Yes. Eureka appears in the FEMA Community Status Book as Eureka, city of, community 290349, with no Community Rating System class, so no CRS discount applies. Whether a specific parcel sits in a mapped special flood hazard area is an address level question the platform answers.
Are the county figures on this page Eureka figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for St. Louis County as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of Eureka.
Is zoning published for Eureka?
No. Nothing on this page presents parcel level zoning.