US Census Data
Population
12,371
+16.0%’19–’23
Median household income
$108,947
-1.9%’19–’23
Median home value
$352,200
+26.8%’19–’23

Eureka, a community in St. Louis County, Missouri, has 12,371 residents. The median household income of $108,947 is above the St. Louis County median ($81,340).

Between 2019 and 2023, Eureka's population grew 16.0% from 10,666 to 12,371, while its median home value rose 26.8% from $277,800 to $352,200.

White (non-Hispanic) residents are the largest group, 86.7% of the population. 76.4% of workers drive to work alone.

Demographics

ACS 2019–2023
Population
12,371
Median age
37.5 yrs
Median household income
$108,947
Median home value
$352,200
Median gross rent
$1,240
Housing units
4,616
Homeownership rate
81.1%
Bachelor's degree or higher
50.9%
Unemployment rate
2.9%

Trends

ACS 5-year · 2019–2023
Population
10,66612,371
Median household income
$111,058$108,947
Median home value
$277,800$352,200
Median gross rent
$1,106$1,240
YearPopulationMedian household incomeMedian home valueMedian gross rent
201910,666$111,058$277,800$1,106
202010,203$112,750$280,400$1,068
202111,663$112,622$295,500$1,070
202212,008$104,697$331,200$1,233
202312,371$108,947$352,200$1,240

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 59027.3%
5 to 172,95123.9%
18 to 245174.2%
25 to 341,38511.2%
35 to 441,83714.8%
45 to 541,62313.1%
55 to 641,47611.9%
65 to 749467.6%
75 and over7345.9%

Race & ethnicity

CountShare
White (non-Hispanic)10,73086.7%
Black or African American490.4%
American Indian & Alaska Native10.0%
Asian2692.2%
Native Hawaiian & Pacific Islander00.0%
Some other race670.5%
Two or more races9667.8%
Hispanic or Latino (any race)2892.3%

Educational attainment (age 25+)

CountShare
No high school diploma2543.2%
High school graduate1,22015.2%
Some college or associate's2,45430.7%
Bachelor's degree2,42630.3%
Graduate or professional degree1,64720.6%

Commute to work

Mean travel time to work
27 min

How workers get to work

CountShare
Drove alone4,41976.4%
Carpooled3255.6%
Public transit00.0%
Walked00.0%
Bicycle00.0%
Worked from home1,02217.7%
Other means170.3%

Travel time

CountShare
Under 15 min86518.2%
15 to 29 min1,50431.6%
30 to 44 min1,79437.7%
45 to 59 min3787.9%
60+ min2204.6%

Households

Average household size
2.77
Poverty rate
6.2% (743 of 12,070)
CountShare
Family households3,08870.6%
Nonfamily households1,28429.4%

Housing

Median year structure built
1998

Occupancy

CountShare
Occupied4,37294.7%
Vacant2445.3%

Tenure (of occupied units)

CountShare
Owner-occupied3,54781.1%
Renter-occupied82518.9%

Units in structure

CountShare
1-unit, detached3,78281.9%
1-unit, attached2044.4%
2 to 4 units2034.4%
5 to 19 units2134.6%
20 or more units2144.6%
Mobile home & other00.0%

Geography

Place GEOID
2922834
Type (LSAD)
25
Land area
11 sq mi
Water area
0.17 sq mi
Center point
38.4985, -90.6454

Compare with nearby cities

5

Missouri rankings

21

Other places in St. Louis County

97