Also See: Eureka, MO ZIP Codes & ZIP Code Maps
The City of Eureka had a population of 11,423 as of July 1, 2021.
The primary coordinate point for Eureka is located at latitude 38.5026 and longitude -90.6279 in St. Louis County. The formal boundaries for the City of Eureka encompass a land area of 10.65 sq. miles and a water area of 0.1 sq. miles. St. Louis County is in the Central time zone (GMT -6). The elevation is 459 feet.
The City of Eureka has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.
|Total Population||11,423 (100%)|
|Population in Households||11,217 (98.2%)|
|Population in Families||10,044 (87.9%)|
|Population in Group Quarters1||206 ( 1.8%)|
|Median Household Income||$110,474|
|Average Household Income||$131,598|
|% of Income for Mortgage4||12%|
|Per Capita Income||$45,547|
|Total HU (Housing Units)||3,998 (100%)|
|Owner Occupied HU||3,316 (82.9%)|
|Renter Occupied HU||607 (15.2%)|
|Vacant Housing Units||76 ( 1.9%)|
|Median Home Value||$323,576|
|Average Home Value||$358,032|
|Housing Affordability Index3||188|
|Average Household Size||2.86|
|Average Family Size||3|
GROWTH RATE / YEAR
|Median Household Income||1.47%|
|Per Capita Income||2.14%|
|Owner Occupied HU||0.99%|
The table below compares Eureka to the other 1,032 incorporated cities, towns and CDPs in Missouri by rank and percentile using July 1, 2021 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
|Total Population||# 79||92nd|
|Population Density||# 309||70th|
|Median Household Income||# 26||98th|
|Housing Affordability Index||# 419||41st|
|Per Capita Income||# 50||95th|
|Diversity Index||# 356||65th|
Additional comparisons and rankings can be made with a VERY EASY TO USE Missouri Census Data Comparison Tool.